A severe weather outbreak brought hail, damaging winds, tornadoes, and flash flooding to the Panhandles from the afternoon of the 28th into the early morning hours of the 29th. The morning upper air analysis on the 28th showed a mid-level shortwave trough rotating around the base of a longwave trough situated from Idaho to Arizona. At the surface, a dryline was situated from the northeastern Oklahoma Panhandle to the southwestern Texas Panhandle. The 6 AM CST upper air sounding from Amarillo showed a low level capping inversion with significant elevated instability. Also deep layer shear was primed for the development of discrete supercells. On the 12 PM CST sounding, instability values had increased further. By noon, the northern portion of the dryline had moved into south central Kansas before stretching back into the southwestern Texas Panhandle.
By the late afternoon, across Potter and Randall Counties, the dryline had advanced into the western portions of both counties allowing showers and thunderstorms, which moved northeastward along dryline, to produce damaging wind gusts in the Amarillo (Potter and Randall County) area. These thunderstorm wind gusts blew a communication tower and billboard down at the Texas Blue Lake Pools in Amarillo (Randall County). Also a main communication tower for High Plains Radio was damaged which ended the broadcast for several of their across the Texas Panhandle radio stations. The Amarillo Police Department blocked off an area near the intersection of Osage Road and SE 27th Ave due to downed power lines and debris.  As the dryline moved into the eastern portions of Potter and Randall Counties during the early evening, thunderstorms over the Amarillo area were cut off from moist inflows and decayed quickly. The extremely dry near surface air evaporated precipitation from the decaying storms causing non-thunderstorm high winds across the Amarillo area. These high winds blew the roof off the River Road ISD field house (Randall County) and downed power lines across the city. Xcel Energy reported nearly 6500 people lost power from the combination of thunderstorm and non-thunderstorm wind gusts, and 4000 people would remain without power until the 29th as power lines and poles were repaired or replaced.
During the late evening the dryline began to retreat westward as the nocturnal low level jet transported moisture from the Gulf of Mexico northwestward. As the dryline retreated across Oldham and Deaf Smith Counties, a near stationary discrete supercell formed and produced two short lived tornadoes in Deaf Smith County. These tornadoes formed over grasslands, and produced little damage. As the dryline continued to retreat to the west, the supercell took a northeastward track producing hail up to the size of hen eggs across Deaf Smith and Oldham Counties and produced several funnel clouds.
The storm continued to produce large hail and funnel clouds as it moved into Potter and Randall Counties. This large hail broke out skylights, broke windshields, busted out windows of portables, and damaged work vehicles at schools within the Bushland (Randall County) ISD. As the supercell approached the western portion of Amarillo (Randall and Potter County) several members of the public reported funnel clouds. Video evidence of one such funnel cloud showed the cloud lowering near to the ground, but no physical evidence of a touchdown was able to be identified by National Weather Service survey teams.
What this supercell did produce across Amarillo (Potter and Randall County) was copious amounts of destructive hail up to the size of baseballs and heavy rain. The City of Amarillo reported that 225 of its work vehicles had some form of hail damage with an estimated repair cost between $2000 and $8500. The City Building Safety Director reported approximately 75 percent of homes around the city suffered hail damage of varying degrees. The Amarillo Botanical Gardens suffered massive damage to plants across the four acre property totaling in thousands of dollars of damage. The hail also damaged a greenhouse in the rear portion of the property. The accumulation of hail and heavy rain also flooded the Garden���s gallery while the strong winds blew a portion of the perimeter fencing down. Gene Messer Ford and AutoNation Chevrolet-Cadillac reported between 300 and 400 vehicles damaged from the hail with Gene Messer Ford estimating the damage to be between 3 and 4 million dollars. The total estimated of repair cost across the city of Amarillo (Randall and Potter Counties) is near $400 million dollars which dwarfs the June 21, 2004 hail storm which cost the city $175 million dollars.
The supercell continued traveling to the northeast entering into Carson County. Upon entering the county the supercell encountered an increasing unfavorable environment as the nocturnal inversion strengthened. However, before the dissipating the thunderstorm was able to produce quarter size hail in the city of Panhandle (Carson County). The remnants of the supercell proceeded to move to the northeast until dissipating over southern Kansas.

Thunderstorm Wind in RANDALL, TEXAS
From 28-MAY-13 15:57:00 to 28-MAY-13 15:58:00 (CST-6)
Location: TIMBERCREEK CANYON
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII schoolnet site at Midway Alternative High School (Randall County) reported a 69 mph gust while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in RANDALL, TEXAS
From 28-MAY-13 15:33:00 to 28-MAY-13 15:34:00 (CST-6)
Location: AMARILLO
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII Schoolnet site at Duke Electric (Randall County) reported a 61 mph gust as a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in RANDALL, TEXAS
From 28-MAY-13 16:00:00 to 28-MAY-13 16:02:00 (CST-6)
Location: AMARILLO
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. As a thunderstorm moved over the residence of an off duty National Weather Service employee in southwestern Amarillo (Randall County) tree limbs from three to seven inches in diameter were blown off. The damage was caused by a localized downburst estimated to be 65 mph. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No injuries were associated with this gust.

Thunderstorm Wind in RANDALL, TEXAS
From 28-MAY-13 16:16:00 to 28-MAY-13 16:18:00 (CST-6)
Location: AMARILLO
Magnitude: 56.00 EG
Property damage: 10.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. One such thunderstorm produced a downburst which snapped two power poles at the intersection of Washington Street and Farmers Road (Randall County). The Amarillo Emergency Manager (Potter and Randall County) relayed the report of damage and the Amarillo Police department were deployed to block off traffic in that area. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No injuries were associated with this gust.

Thunderstorm Wind in RANDALL, TEXAS
From 28-MAY-13 16:18:00 to 28-MAY-13 16:19:00 (CST-6)
Location: CANYON
Magnitude: 52.00 EG
Property damage: 10.00M
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. One such thunderstorm produced a localized downburst which downed power poles on US Highway 60 west of the city of Canyon (Randall County). The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No injuries were associated with this gust.

Thunderstorm Wind in RANDALL, TEXAS
From 28-MAY-13 16:57:00 to 28-MAY-13 16:59:00 (CST-6)
Location: AMARILLO
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII Schoolnet site at Duke Electric (Randall County) reported a gust of 66 mph while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in OCHILTREE, TEXAS
From 28-MAY-13 16:56:00 to 28-MAY-13 16:57:00 (CST-6)
Location: PERRYTON MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A decaying thunderstorm produced a localized downburst on the east side of the city of Perryton (Ochiltree County). A trained spotter estimated the downburst to be near 60 mph. The downburst also caused a brief drop in visibility due to dust being kicked up. No injuries or damage was associated with this report.

Tornado in DEAF SMITH, TEXAS
From 28-MAY-13 20:06:00 to 28-MAY-13 20:11:00 (CST-6)
Location: WALCOTT
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A discrete supercell thunderstorm produced a tornado over northwest Deaf Smith County during the evening hours on the 28th. An eye witness on County Road RR west of Simms (Deaf Smith County) reported seeing the thunderstorm produce a funnel cloud which touched down, widened quickly, shrunk, and then lifted off the ground. A National Weather Service survey team located the path of this brief tornado and found that the tornado traveled a little over 2 miles in the 5 minutes it was connected with the ground. The max wind speed was estimated to be 80 mph. No injuries or fatalities were associated with this tornado.

Hail in POTTER, TEXAS
From 28-MAY-13 22:35:00 to 28-MAY-13 22:38:00 (CST-6)
Location: AMARILLO
Magnitude: 1.75 
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. An amateur radio operator at the Western Crossings shopping center reported golf ball size hail. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in RANDALL, TEXAS
From 28-MAY-13 22:38:00 to 28-MAY-13 22:45:00 (CST-6)
Location: AMARILLO
Magnitude: 1.25 
Property damage: 50.00M
Crop damage: 0.00K
Reported by: Amateur Radio

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. An amateur radio operator at the intersection of Soncy Road and 45th Ave reported half dollar size hail. Approximately 300 vehicles suffered hail damage at Street Toyota on the western side of this intersection and the adjacent neighborhood suffered varying degrees of roof damage. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in CARSON, TEXAS
From 28-MAY-13 23:53:00 to 28-MAY-13 23:55:00 (CST-6)
Location: PANHANDLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell neared the city of Panhandle (Carson County) where it produced quarter size hail. Law Enforcement officials in Panhandle reported the hail. The supercell quickly moved to the northeast  and weakened slightly.  No damage or injuries were associated with this report.

Thunderstorm Wind in ARMSTRONG, TEXAS
From 28-MAY-13 16:20:00 to 28-MAY-13 16:21:00 (CST-6)
Location: WASHBURN
Magnitude: 52.00 EG
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A decaying thunderstorm produced a localized downburst on US Highway 287 about 5 miles east of the Interstate 40 and US Highway 287 split (Armstrong County). A tractor trailer that was traveling on US Highway 287 was hit by this downburst and was blown over. No Injuries were relayed with this report from the Armstrong County Emergency Manager.

Hail in DEAF SMITH, TEXAS
From 28-MAY-13 17:42:00 to 28-MAY-13 17:43:00 (CST-6)
Location: BOOTLEG
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. A trained storm spotter reported baseball size hail 5 miles west of Bootleg (Deaf Smith County). The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Hail in DEAF SMITH, TEXAS
From 28-MAY-13 17:55:00 to 28-MAY-13 17:56:00 (CST-6)
Location: BOOTLEG
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. A trained storm spotter reported golfball size hail 6 miles west of Bootleg (Deaf Smith County). The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Hail in POTTER, TEXAS
From 28-MAY-13 22:38:00 to 28-MAY-13 22:43:00 (CST-6)
Location: AMARILLO
Magnitude: 1.75 
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. A storm chaser at the intersection of Interstate 40 and Coulter Street reported golf ball size hail as the storm crossed their location. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 22:39:00 to 28-MAY-13 22:46:00 (CST-6)
Location: AMARILLO
Magnitude: 1.75 
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. The Amarillo Emergency Manager reported golf ball size hail at the intersection of Western Street and Loop 335 (Potter County). Motorist took shelter from the hail under the overpass. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 22:40:00 to 28-MAY-13 22:51:00 (CST-6)
Location: AMARILLO
Magnitude: 2.75 
Property damage: 200.00M
Crop damage: 0.00K
Reported by: Trained Spotter

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. A trained storm spotter at the intersection of 34th Ave and Soncy Road (Randall County) reported that baseball size hail had broken out the windows of 7 Bar and Grill. Several business and residential homes near this intersection suffered broken window, roof damage, and hundreds of vehicles at Gene Messer Ford of Amarillo suffered varying degrees of hail damage. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 22:45:00 to 28-MAY-13 22:55:00 (CST-6)
Location: AMARILLO
Magnitude: 1.25 
Property damage: 10.00M
Crop damage: 0.00K
Reported by: Public

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. A member of the public reported a mix of quarter to half dollar fell at their residence and was enough to cover the yard. The hail also caused varying degrees of roof and vehicle damage. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 22:47:00 to 28-MAY-13 22:56:00 (CST-6)
Location: AMARILLO
Magnitude: 1.00 
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Public

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. A member of the public reported quarter size hail at their residence. This hail caused varying degrees of damage to roofs and vehicles. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 22:51:00 to 28-MAY-13 23:00:00 (CST-6)
Location: AMARILLO
Magnitude: 0.88 
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. A trained spotter near the intersection of 10th Ave and Williams Street (Potter County) reported nickel size hail. This hail produces minor damage to vehicles and roofs in the area. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 22:52:00 to 28-MAY-13 23:00:00 (CST-6)
Location: AMARILLO
Magnitude: 1.25 
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Amateur Radio

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. An amateur radio operator near the intersection of Central Ave and US Highway 87 reported half dollar size hail covering the ground. Several residental homes suffered varying degrees of damage to roofs. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 23:00:00 to 28-MAY-13 23:10:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 1.75 
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Public

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. As the supercell moved across the northeastern portion of Amarillo (Potter County), several motorist sought cover from golf ball size hail under the overpass at Fritch Highway and Loop 335. Residential homes near this intersection suffered varying degrees of damage from the hail. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 23:14:00 to 28-MAY-13 23:21:00 (CST-6)
Location: AMARILLO
Magnitude: 1.75 
Property damage: 100.00M
Crop damage: 0.00K
Reported by: Trained Spotter

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. A trained storm spotter in downtown Amarillo (Potter County) reported golf ball size hail covering the group as the supercell moved through the area. This hail caused varying degrees of damage to residential homes businesses, and vehicles in the area. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in RANDALL, TEXAS
From 28-MAY-13 22:47:00 to 28-MAY-13 22:56:00 (CST-6)
Location: AMARILLO
Magnitude: 1.75 
Property damage: 10.00M
Crop damage: 0.00K
Reported by: NWS Employee

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. An off duty National Weather Service employee reported golf ball size hail at their residence. This hail caused damage to neighboring homes and vehicles. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 23:05:00 to 28-MAY-13 23:14:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 1.00 
Property damage: 150.00K
Crop damage: 0.00K
Reported by: NWS Employee

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. The supercell brought a mix of pea to quarter size hail to the National Weather Service office (Potter County). The hail nearly covered the ground and caused minor damage to vehicles of employees. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 23:15:00 to 28-MAY-13 23:24:00 (CST-6)
Location: AMARILLO
Magnitude: 1.00 
Property damage: 50.00M
Crop damage: 0.00K
Reported by: Public

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. A member of the public at Northwest Texas Hospital (Potter County) reported quarter size hail on Coulter Street in front of the hospital. The hail had accumulated to a foot deep on the road. This hail caused varying degrees to vehicles and roofs in the area. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 23:30:00 to 28-MAY-13 23:39:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 1.25 
Property damage: 1.00M
Crop damage: 0.00K
Reported by: NWS Employee

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. The supercell produced a mixture of pea to half dollar size hail at the National Weather Service office. This hail caused varying degrees of damage to vehicles and structures in the area. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Hail in POTTER, TEXAS
From 28-MAY-13 22:50:00 to 28-MAY-13 23:00:00 (CST-6)
Location: AMARILLO
Magnitude: 1.50 
Property damage: 50.00M
Crop damage: 0.00K
Reported by: Public

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. This supercell thunderstorm produced copious amounts of large destructive hail across the city. A member of the public reported ping pong ball size hail near the intersection of 26th Ave and Georgia (Randall County). This hail caused damage to residential homes and business. A skylight on a residential home was broken by the hail. The supercell continued traveling in a northeastern direction which took it out of the Amarillo city limits shortly before midnight on the 29th.

Thunderstorm Wind in RANDALL, TEXAS
From 28-MAY-13 22:41:00 to 28-MAY-13 22:43:00 (CST-6)
Location: AMARILLO
Magnitude: 52.00 EG
Property damage: 5.00M
Crop damage: 0.00K
Reported by: NWS Employee

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The supercell entered the city limits of Amarillo during the late night hours of the 28th. As this supercell thunderstorm moved over the Windtree Apartment complex it produced a localized downburst which split a 3 foot diameter tree in two. The southward split portion of the tree feel onto southward facing apartments and broke windows and skylights of these apartments. No injuries were reported with this damage.

Hail in RANDALL, TEXAS
From 28-MAY-13 22:11:00 to 28-MAY-13 22:17:00 (CST-6)
Location: UMBARGER
Magnitude: 2.75 
Property damage: 10.00M
Crop damage: 0.00K
Reported by: Emergency Manager

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. This supercell produced baseball size hail as it moved across the southern portion of Bushland (Randall County). The hail caused damage to structures and damaged power transformers which put off power flashes that the Bushland Emergency Manager reported. The supercell continued traveling in a northeastern direction which took it away from Bushland.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 15:46:00 to 28-MAY-13 15:48:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city of Amarillo (Potter and Randall County). The National Weather Service ASOS in Amarillo (Potter County) reported a 58 mph downburst as a thunderstorm moved overhead. The Thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 15:52:00 to 28-MAY-13 15:55:00 (CST-6)
Location: BUSHLAND
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts over the city of Bushland (Potter County). The KVII Schoolnet site at the Oasis RV Resort 3 miles east of Bushland (Potter County) reported a gust of 60 mph as a thunderstorm moved over head. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 16:00:00 to 28-MAY-13 16:01:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The National Weather Service ASOS in Amarillo (Potter County) reported a 62 mph gust as a thunderstorm moved over head. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 16:28:00 to 28-MAY-13 16:29:00 (CST-6)
Location: AMARILLO
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII schoolnet site at Amarillo College (Potter County) reported a 58 mph wind gust as a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Hail in DEAF SMITH, TEXAS
From 28-MAY-13 19:00:00 to 28-MAY-13 19:02:00 (CST-6)
Location: WALCOTT
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. An off duty National Weather Service employee reported tennis ball size hail 10 miles north of Bootleg (Deaf Smith County). The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Hail in DEAF SMITH, TEXAS
From 28-MAY-13 19:18:00 to 28-MAY-13 19:20:00 (CST-6)
Location: WALCOTT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. A trained storm spotter reported half dollar size hail 7 miles west of Simms (Deaf Smith County). The hail accumulated up to 2 inches deep in some spots. The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Hail in DEAF SMITH, TEXAS
From 28-MAY-13 19:32:00 to 28-MAY-13 19:34:00 (CST-6)
Location: SIMMS
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. A storm chaser reported ping pong ball size hail 15 miles south of Adrian (Deaf Smith County). The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 16:36:00 to 28-MAY-13 16:37:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The Amarillo (Potter County) ASOS reported a 58 mph gust while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 16:44:00 to 28-MAY-13 16:46:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The Amarillo ASOS (Potter County) reported a 58 mph wind gust as a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 16:44:00 to 28-MAY-13 16:46:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The Amarillo ASOS (Potter County) reported a 58 mph wind gust as a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 16:57:00 to 28-MAY-13 16:59:00 (CST-6)
Location: AMARILLO
Magnitude: 54.00 EG
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. One such downburst blew down powerlines in the fairgrounds area of Amarillo (Potter County). The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No injuries were associated with this gust.

Hail in DEAF SMITH, TEXAS
From 28-MAY-13 19:47:00 to 28-MAY-13 19:50:00 (CST-6)
Location: SIMMS
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. The Deaf Smith County Emergency Manager reported tennis ball size hail 5 miles east of Simms (Deaf Smith County). The hail clogged drainage systems close to the road and caused some of the fields to flood. The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Hail in OLDHAM, TEXAS
From 28-MAY-13 21:31:00 to 28-MAY-13 21:32:00 (CST-6)
Location: VEGA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. A Vega (Deaf Smith County) Police Officer reported nickle size hail 3 miles south of Vega. The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Hail in DEAF SMITH, TEXAS
From 28-MAY-13 21:36:00 to 28-MAY-13 21:38:00 (CST-6)
Location: MILO CENTER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. A Vega (Deaf Smith County) Police Officer reported golf ball size hail 6 miles south of Vega. The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Hail in OLDHAM, TEXAS
From 28-MAY-13 22:03:00 to 28-MAY-13 22:05:00 (CST-6)
Location: WILDORADO
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. A Wildorado (Oldham County) Police Officer reported golf ball size hail near the city of Wildorado. The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 17:02:00 to 28-MAY-13 17:04:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The Amarillo ASOS (Potter County) reported a gust of 60 mph while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 17:05:00 to 28-MAY-13 17:07:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The Amarillo ASOS (Potter County) reported a 66 mph gust while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 17:06:00 to 28-MAY-13 17:07:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII Schoolnet site at Highland Park High School reported a 58 mph gust while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 17:11:00 to 28-MAY-13 17:12:00 (CST-6)
Location: AMARILLO
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII schoolnet site at the Discovery Center (Potter County) reported a gust of 60 mph while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Hail in OLDHAM, TEXAS
From 28-MAY-13 22:09:00 to 28-MAY-13 22:12:00 (CST-6)
Location: WILDORADO
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A supercell thunderstorm that developed along a retreating dryline in Deaf Smith and Oldham Counties tracked to the northeast across the southern Texas Panhandle. A trained storm spotter reported golf ball size hail near the town of Wildorado (Oldham County). The supercell continued traveling in a northeastern direction which took it out of the county shortly after 10 pm. No injuries were relayed with this report.

Hail in HANSFORD, TEXAS
From 28-MAY-13 16:27:00 to 28-MAY-13 16:29:00 (CST-6)
Location: GRUVER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

An old outflow boundary helped to initiate a thunderstorm near Gruver (Hansford County). This thunderstorm produced quarter size hail 2 miles north of Gruver as reported by law enforcement.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 17:13:00 to 28-MAY-13 17:14:00 (CST-6)
Location: (AMA)AMARILLO INTL A
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The Amarillo ASOS (Potter County) reported a 66 mph wind gust as a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 17:09:00 to 28-MAY-13 17:10:00 (CST-6)
Location: AMARILLO
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII Schoolnet site at Nustar Energy reported a 61 mpg gust while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 17:05:00 to 28-MAY-13 17:06:00 (CST-6)
Location: AMARILLO
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII Schoolnet site at St. Mary's School reported a 64 mph gust while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 16:57:00 to 28-MAY-13 16:59:00 (CST-6)
Location: AMARILLO
Magnitude: 55.00 EG
Property damage: 10.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. While a thunderstorm was over the intersection of 6th Ave and Osage Road a roof was blown off a metal building due to a downburst. The Amarillo (Potter and Randall County) Emergency Manager reported this damage. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 15:59:00 to 28-MAY-13 16:00:00 (CST-6)
Location: AMARILLO
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII Schoolnet site at the Northwest Texas Hospital reported a gust of 58 mph as a thunderstorm moved overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Thunderstorm Wind in POTTER, TEXAS
From 28-MAY-13 16:44:00 to 28-MAY-13 16:45:00 (CST-6)
Location: AMARILLO
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms formed along a dryline stretching east-northeastward across Randall and Potter Counties during the afternoon hours of the 28th. These thunderstorms would take a northeast track which allowed them to move over the dryline. This caused the thunderstorms to produce isolated downbursts across the city. The KVII Schoolnet site at Carver Elementary (Potter County) reported a gust of 61 mph while a thunderstorm was overhead. The thunderstorm decayed quickly after moving to the dry side of the dryline due to ingesting much drier air into the updrafts.  No damage or injuries were associated with this gust.

Tornado in DEAF SMITH, TEXAS
From 28-MAY-13 17:45:00 to 28-MAY-13 17:50:00 (CST-6)
Location: BOOTLEG
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A discrete supercell thunderstorm produced a brief tornado southwest of Bootleg (Deaf Smith County) during the evening hours of the 28th. Several eye witnesses reported this tornado and submitted pictures. A National Weather Service survey team located the path of this tornado and verified that the tornado was very narrow which matched the description of a rope tornado given by one eye witness. The max wind estimated with this tornado was 70 mph. The tornado remained over undeveloped grasslands and produced little damage. No injuries or fatalities were associated with this tornado.