sweetapricity/bridgedeck-noaa huggingface dataset:
A strong area of low level winds combined with a disturbance passing across the Central Appalachians to generate thunderstorms with damaging winds during the early morning of the 31st of May.

Thunderstorm Wind in MERCER, WEST VIRGINIA
From 31-MAY-09 01:52:00 to 31-MAY-09 01:52:00 (EST-5)
Location: PRINCETON
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines were blown down in the town of Princeton.

Thunderstorm Wind in MERCER, WEST VIRGINIA
From 31-MAY-09 01:57:00 to 31-MAY-09 01:57:00 (EST-5)
Location: HARDY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was blown down along U.S. Highway 460, between Princeton and Oakvale.
A strong area of low level winds combined with a disturbance passing across the Central Appalachians to generate an isolated thunderstorm with damaging winds, during the early morning of the 31st of May.

Thunderstorm Wind in WILKES, NORTH CAROLINA
From 31-MAY-09 06:00:00 to 31-MAY-09 06:00:00 (EST-5)
Location: TRAPHILL
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A tree was blown down along Swaringen Road.
A severe thunderstorm produced hail to the size of ping-pong balls across far northeastern Campbell County and northwestern Crook County.

Hail in CAMPBELL, WYOMING
From 12-MAY-09 12:55:00 to 12-MAY-09 13:00:00 (MST-7)
Location: ROCKYPOINT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CAMPBELL, WYOMING
From 12-MAY-09 13:00:00 to 12-MAY-09 13:00:00 (MST-7)
Location: ROCKYPOINT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CROOK, WYOMING
From 12-MAY-09 13:10:00 to 12-MAY-09 13:18:00 (MST-7)
Location: LIGHTNING FLAT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in CROOK, WYOMING
From 12-MAY-09 13:35:00 to 12-MAY-09 13:35:00 (MST-7)
Location: NEW HAVEN
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public
A severe thunderstorm produced large hail in the Moorcroft area. Hail to the size golf balls covered the ground. Minor damage was reported.

Hail in CROOK, WYOMING
From 30-MAY-09 16:35:00 to 30-MAY-09 16:35:00 (MST-7)
Location: MOORCROFT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CROOK, WYOMING
From 30-MAY-09 16:44:00 to 30-MAY-09 16:44:00 (MST-7)
Location: MOORCROFT
Magnitude: 1.75 
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter
During the afternoon of the 15th isolated severe storms moved across Central Mississippi. There were some reports of hail and one of damaging winds.

Hail in WARREN, MISSISSIPPI
From 15-MAY-09 15:56:00 to 15-MAY-09 15:56:00 (CST-6)
Location: ALLEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in JONES, MISSISSIPPI
From 15-MAY-09 15:22:00 to 15-MAY-09 15:22:00 (CST-6)
Location: SANDERSVILLE
Magnitude: 50.00 EG
Property damage: 1.60K
Crop damage: 0.00K
Reported by: Emergency Manager

A few trees were blown down southeast of Sandersville.

Hail in YAZOO, MISSISSIPPI
From 15-MAY-09 17:36:00 to 15-MAY-09 17:36:00 (CST-6)
Location: PHOENIX
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in YAZOO, MISSISSIPPI
From 15-MAY-09 18:28:00 to 15-MAY-09 18:28:00 (CST-6)
Location: LINWOOD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in COPIAH, MISSISSIPPI
From 15-MAY-09 17:15:00 to 15-MAY-09 17:23:00 (CST-6)
Location: STRONGHOPE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public
The National Weather Service in State College confirmed a EF1 tornado about three miles north of Saint Marys in Elk County.

Tornado in ELK, PENNSYLVANIA
From 26-JUL-09 17:21:00 to 26-JUL-09 17:25:00 (EST-5)
Location: KETNER
Tornado F-scale: EF1
Property damage: 5.00K
Reported by: NWS Storm Survey

A weak EF1 tornado was confirmed in a mainly rural area just north of St. Marys. Much of the tornado was classified in the EF0 range. The tornado was on the ground for about 1.25 miles mainly over a wooded area. The tornado snapped off or toppled about 20 to 30 trees. A corn field was also damaged. A gutter and chimney were damaged on two homes near the end of the tornado track on Siecker Road. The maximum wind speed was estimated near 90 mph. No injuries were reported.
A moist and unstable airmass produced numerous thunderstorms during the afternoon hours. A severe thunderstorm developed over Teton County. Hail the size of golf balls as well as heavy rain was reported.

Hail in TETON, MONTANA
From 26-JUL-09 14:43:00 to 26-JUL-09 14:43:00 (MST-7)
Location: CHOTEAU
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped 1.75 inch diameter hail at Choteau 9WSW. Windows were reported broken at several homes.
Ice Jammed about 50 miles downstream of Tanana on the 11th and ice continued to pack into the back of the jam and stopped near the village of Tanana on the morning of the 12th. Flooding began in Tanana at approximately 4 am on the 12th. The water levels peaked at around 3 pm on the 12th, and it was the 2nd highest crest on record. Residents of the village reported that this was the worst flooding in 50 years, and the water levels were only 3 feet shy of the record flood of 1937.
Many sections of the village were flooded including the road to the airport. One house was washed away by the flood waters, and 30 homes had major flood damage. Approximately 80 people were evacuated from the village.  By 5 pm on the 12th the water levels began to fall, but remained above bankfull until the late evening hours on the 13th. The damage estimates for this event include the costs to repair and replace homes that were damaged and destroyed as well as costs to repair and replace public infrastructure and equipment.

Flood in WRN TANANA VLY WRN YUKON VLY, ALASKA
From 12-MAY-09 03:00:00 to 14-MAY-09 01:00:00 (AKST-9)
Location: TANANA
Flood cause: Ice Jam
Property damage: 5.90M
Crop damage: 0.00K
Reported by: NWS Storm Survey
A strong difference in pressure between a 993 mb low in the Northern Bering Sea, and a 1034 mb high in Northern Canada, produced a period of high winds on Saint Lawrence Island and along the Bering Strait Coast during the late evening hours on the 16th through the morning hours on the 17th.  Here are the highest wind gusts that were observed:
Wales (AWSS): 74 mph/64kt
Savoonga (AWSO): 66 mph/57kt
Teller (AWSS) 60 mph/52kt.

High Wind in ST LAWRENCE IS. BERING STRAIT, ALASKA
From 16-MAY-09 22:36:00 to 17-MAY-09 10:57:00 (AKST-9)
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWSS
Thunderstorms producing heavy rain affected parts of north central Kentucky on May 25th in response to a warm front exiting the area.  Slow storm movement, along with a deep saturated warm layer, produced high rainfall efficiency within the storms that developed.

Flash Flood in WOODFORD, KENTUCKY
From 25-MAY-09 12:27:00 to 25-MAY-09 14:27:00 (EST-5)
Location: VERSAILLES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported flooding at a picnic pavilion and numerous local streets with several inches of water covering the roadways.
A stalled surface boundary over southern Kentucky aided in the development of thunderstorms which produced heavy rain and caused some isolated flooding in Grayson and Ohio Counties.

Flood in GRAYSON, KENTUCKY
From 27-MAY-09 13:55:00 to 27-MAY-09 16:55:00 (CST-6)
Location: CANEYVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flooding was reported on parts of Highway 62 along with street flooding of two to four inches in Caneyville.

Flash Flood in OHIO, KENTUCKY
From 27-MAY-09 14:10:00 to 27-MAY-09 17:10:00 (CST-6)
Location: BEAVER DAM
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter reported that six to eight inches of water was covering some roads in Beaver Dam.  He measured 1.5 inches of rain in one hour.

Flash Flood in OHIO, KENTUCKY
From 27-MAY-09 14:03:00 to 27-MAY-09 17:03:00 (CST-6)
Location: DAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two to four inches of water flowed across several streets in Horse Branch.
A few storms became marginally severe over extreme southeast Kansas producing hail up to the size of nickels.

Hail in CRAWFORD, KANSAS
From 15-MAY-09 20:15:00 to 15-MAY-09 20:15:00 (CST-6)
Location: GREENBUSH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in CHEROKEE, KANSAS
From 15-MAY-09 20:47:00 to 15-MAY-09 20:47:00 (CST-6)
Location: WEST MINERAL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager
Scattered severe thunderstorms in advance of a cold front produced large hail and damaging winds across portions of the Lower Maryland Eastern Shore.

Thunderstorm Wind in WICOMICO, MARYLAND
From 29-MAY-09 18:45:00 to 29-MAY-09 18:45:00 (EST-5)
Location: SALISBURY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Five inch diameter tree limbs were downed.

Hail in WICOMICO, MARYLAND
From 29-MAY-09 19:00:00 to 29-MAY-09 19:00:00 (EST-5)
Location: WILLARDS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball size hail was reported.

Hail in WORCESTER, MARYLAND
From 29-MAY-09 19:09:00 to 29-MAY-09 19:09:00 (EST-5)
Location: OCEAN CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail was reported.

Hail in WORCESTER, MARYLAND
From 29-MAY-09 19:09:00 to 29-MAY-09 19:09:00 (EST-5)
Location: OCEAN PINES
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail was covering the ground.

Hail in WORCESTER, MARYLAND
From 29-MAY-09 19:15:00 to 29-MAY-09 19:15:00 (EST-5)
Location: WEST OCEAN CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail was reported on Highway 50 in Ocean City. Hail was covering the roadway.

Thunderstorm Wind in WICOMICO, MARYLAND
From 29-MAY-09 18:36:00 to 29-MAY-09 18:36:00 (EST-5)
Location: (SBY)WICOMICO CO ARP
Magnitude: 53.00 MG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gust of 53 knots (61 mph) was measured at SBY.

Hail in DORCHESTER, MARYLAND
From 29-MAY-09 16:43:00 to 29-MAY-09 16:43:00 (EST-5)
Location: HURLOCK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny size hail was reported.

Hail in WICOMICO, MARYLAND
From 29-MAY-09 18:40:00 to 29-MAY-09 18:40:00 (EST-5)
Location: SALISBURY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Half dollar size hail was reported.

Hail in WICOMICO, MARYLAND
From 29-MAY-09 18:43:00 to 29-MAY-09 18:43:00 (EST-5)
Location: PARSONBURG
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball size hail was reported.

Hail in WICOMICO, MARYLAND
From 29-MAY-09 18:50:00 to 29-MAY-09 18:50:00 (EST-5)
Location: CHESAPEAKE HGTS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Half dollar size hail was reported.

Thunderstorm Wind in WORCESTER, MARYLAND
From 29-MAY-09 19:07:00 to 29-MAY-09 19:07:00 (EST-5)
Location: NEWARK
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree branches were blown down.
During the early morning hours of May 24th, a small thunderstorm complex intensified over the western portion of the Lower RGV before accelerating through Weslaco, La Feria, Brownsville, and South Padre Island then raced into the Gulf. Wind gusts to 50 mph or higher along caused damage to boats in Laguna Madre and along the South Padre Island barrier around daybreak.

Marine Thunderstorm Wind in LAGUNA MADRE FROM PORT OF BROWNSVILLE TO ARROYO COLORADO, GULF OF MEXICO
From 24-MAY-09 04:45:00 to 24-MAY-09 05:00:00 (CST-6)
Location: PORT ISABEL
Magnitude: 41.00 MG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: C-MAN Station

Outflow from a strong thunderstorm complex sweeping across the Lower Texas coast produced a wind gust of more than 34 knots at NOAA C-MAN site of Port Isabel.  47 mph wind gusts would soon sink five small boats moored in the Laguna Madre near the Town of South Padre Island.
Isolated severe storms across southern Indiana and northern Kentucky along the Ohio River produced mainly small hail around a half inch in diameter, though one report of penny-sized hail was received from Perry County.

Hail in PERRY, INDIANA
From 30-MAY-09 21:08:00 to 30-MAY-09 21:08:00 (EST-5)
Location: GATCHEL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement
Severe thunderstorms produced up to golfball-sized hail across southern Indiana on the afternoon of May 15th. These storms developed ahead of a weak cool front moving across the region.

Hail in ORANGE, INDIANA
From 15-MAY-09 15:45:00 to 15-MAY-09 15:45:00 (EST-5)
Location: PAOLI
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in ORANGE, INDIANA
From 15-MAY-09 15:56:00 to 15-MAY-09 15:56:00 (EST-5)
Location: PAOLI
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media
A large surge of water and ice moving down the Yukon River produced minor flooding at Anvik. Water levels started to rise at about 8:30 pm on the 16th, and water was covering Front Street in the village. Two homes had basement flooding. The water levels remained high through the 18th, and then began to recede on 19th. No information available on property damage, an estimate is guessed at $2000.

Flood in LOWER YUKON VALLEY, ALASKA
From 16-MAY-09 22:00:00 to 19-MAY-09 10:00:00 (AKST-9)
Location: GRAYLING
Flood cause: Ice Jam
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public
A tight pressure gradient developed behind the passage of a strong cold front, resulting in north to northwest winds of 30 to 45 mph and gusts to 65 mph across northern Campbell and Crook Counties.

High Wind in NORTHERN CAMPBELL, WYOMING
From 13-MAY-09 11:50:00 to 13-MAY-09 13:00:00 (MST-7)
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

High Wind in NORTHEASTERN CROOK, WYOMING
From 13-MAY-09 13:00:00 to 13-MAY-09 14:00:00 (MST-7)
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter
A quasi-stationary cold front was located over the north central portion of the county warning area this day.  Water vapor imagery indicated the approach of an upper level shortwave trough into the area during the evening hours from the Four Corners Region.  Moderate surface based CAPE values along the front were also noted.  The combination of increased surface convergence along the front, the cooling of the mid to upper levels with the shortwave trough, and increased deep layer shear resulted in one severe storm producing hail over Lea County, NM.

Hail in LEA, NEW MEXICO
From 02-MAY-09 20:00:00 to 02-MAY-09 20:02:00 (MST-7)
Location: HOBBS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement
Thunderstorms with very heavy rainfall produced flash flooding in Brownwood.

Flash Flood in BROWN, TEXAS
From 08-MAY-09 20:29:00 to 08-MAY-09 21:45:00 (CST-6)
Location: BROWNWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The heavy rain caused flash flooding in Brownwood as many roadways were covered by water.  Shelters were open for persons in flooded homes.
A severe thunderstorm produced a gust to 66 mph in northern Weld County.  In addition, a lightning strike killed a man in Evans.  A strong thunderstorm produced hail up to the size of nickels in Denver.

Hail in DENVER, COLORADO
From 05-JUN-09 19:18:00 to 05-JUN-09 19:18:00 (MST-7)
Location: DENVER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DENVER, COLORADO
From 05-JUN-09 19:22:00 to 05-JUN-09 19:22:00 (MST-7)
Location: DENVER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Lightning in WELD, COLORADO
From 05-JUN-09 19:45:00 to 05-JUN-09 19:45:00 (MST-7)
Location: EVANS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A man was killed by lightning while crossing an open field.  The victim was struck behind the right ear; the bolt then exited out both of his ankles.

Thunderstorm Wind in WELD, COLORADO
From 05-JUN-09 22:10:00 to 05-JUN-09 22:10:00 (MST-7)
Location: NEW RAYMER
Magnitude: 57.00 MG
Reported by: Trained Spotter
A low pressure trough moved into central California on May 5th, bringing only light precipitation to the Southern Sierra Nevada. This trough did, however, tighten surface pressure gradients across the region, producing gusts to 52 mph at River Kern and sustained winds of 32 mph at Edwards AFB.

Strong Wind in SE KERN CTY DESERT, CALIFORNIA
From 06-MAY-09 15:17:00 to 06-MAY-09 23:14:00 (PST-8)
Magnitude: 49.00 MG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong Wind in KERN CTY MTNS, CALIFORNIA
From 05-MAY-09 10:57:00 to 06-MAY-09 23:27:00 (PST-8)
Magnitude: 45.00 MG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Mesonet
Heavy rains during the middle of the month resulted in the Iowa River at Marengo going above the moderate flood stage level of 15.5 feet on June 19th around 8 pm. It crested around 16.1 feet around 4 am June 20 and again around 16.2 feet around 730 am June 24. It finally fell below the moderate flood stage level around 230 am June 26.

Flood in IOWA, IOWA
From 19-JUN-09 19:00:00 to 26-JUN-09 01:30:00 (CST-6)
Location: KOSZTA
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Heavy rains during the middle of the month resulted in the Iowa River at Marengo going above the moderate flood stage level of 15.5 feet on June 19th around 8 pm. It crested around 16.1 feet around 4 am June 20 and again around 16.2 feet around 730 am June 24. It finally fell below the moderate flood stage level around 230 am June 26.
A line of strong storms moved offshore the Florida east central coast producing wind gusts over 35 knots.

Marine Thunderstorm Wind in FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20NM, ATLANTIC SOUTH
From 07-JUL-09 11:44:00 to 07-JUL-09 11:44:00 (EST-5)
Location: DAYTONA BEACH
Magnitude: 44.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gust to 44 knots recorded at Daytona Beach International Airport.

Marine Thunderstorm Wind in VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20NM, ATLANTIC SOUTH
From 07-JUL-09 12:30:00 to 07-JUL-09 12:30:00 (EST-5)
Location: PLAYALINDA BEACH
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Wind gusts measured at 41 knots by USAF wind tower 511.

Marine Thunderstorm Wind in VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20NM, ATLANTIC SOUTH
From 07-JUL-09 12:58:00 to 07-JUL-09 12:58:00 (EST-5)
Location: MELBOURNE
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gust to 41 knots observed by Melbourne International Airport ASOS.
Strong thunderstorms moved off the Florida peninsula and produced gusty winds over much of the Brevard County intracoastal and coastal waters.

Marine Thunderstorm Wind in VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20NM, ATLANTIC SOUTH
From 08-JUL-09 13:41:00 to 08-JUL-09 13:41:00 (EST-5)
Location: MELBOURNE
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

National Weather Service employee in Melbourne observed wind gusts estimated at 35 knots.

Marine Thunderstorm Wind in VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20NM, ATLANTIC SOUTH
From 08-JUL-09 14:02:00 to 08-JUL-09 14:02:00 (EST-5)
Location: SATELLITE BEACH
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Weather observer at Patrick Air Force Base recorded wind gust to 52 knots.
A severe thunderstorm produced quarter sized hail near Clearfield.

Hail in TRIPP, SOUTH DAKOTA
From 31-MAY-09 14:20:00 to 31-MAY-09 14:20:00 (CST-6)
Location: CLEARFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public
Isolated convection developed along a stationary boundary near the Big Bend region of Texas.  Due to the weak mid to upper level flow, slow moving storms produced very heavy rainfall and flash flooding near the southern extent of the Big Bend National Park.

Flash Flood in BREWSTER, TEXAS
From 09-MAY-09 18:23:00 to 09-MAY-09 19:23:00 (CST-6)
Location: PANTHER JUNCTION
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

The National Park Dispatch Center reported flowing water over SH 120 just north of the Rio Grande Village.  Although multiple vehicles hydroplaned near this location, no accidents or injuries were reported.
A cold front was draped across the region this day, with a surface low located over central portions of the Texas Permian Basin.  Although bulk shear vector magnitudes were not that impressive (20-30 knots), enhanced low to mid level flow near the surface low provided enough horizontal vorticity for supercells to develop in an environment with moderate surface based CAPE values.

Hail in DAWSON, TEXAS
From 14-MAY-09 19:23:00 to 14-MAY-09 19:25:00 (CST-6)
Location: LAMESA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DAWSON, TEXAS
From 14-MAY-09 19:45:00 to 14-MAY-09 19:50:00 (CST-6)
Location: LAMESA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DAWSON, TEXAS
From 14-MAY-09 19:45:00 to 14-MAY-09 19:50:00 (CST-6)
Location: LAMESA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in DAWSON, TEXAS
From 14-MAY-09 20:03:00 to 14-MAY-09 20:08:00 (CST-6)
Location: LAMESA
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DAWSON, TEXAS
From 14-MAY-09 20:30:00 to 14-MAY-09 21:15:00 (CST-6)
Location: LAMESA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DAWSON, TEXAS
From 14-MAY-09 20:46:00 to 14-MAY-09 21:46:00 (CST-6)
Location: LAMESA
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DAWSON, TEXAS
From 14-MAY-09 20:59:00 to 14-MAY-09 21:05:00 (CST-6)
Location: LAMESA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BREWSTER, TEXAS
From 14-MAY-09 18:27:00 to 14-MAY-09 18:29:00 (CST-6)
Location: ALPINE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DAWSON, TEXAS
From 14-MAY-09 19:18:00 to 14-MAY-09 19:23:00 (CST-6)
Location: LAMESA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public
During the afternoon of 14th an isolated severe storm moved over Forrest County which produced some nickel sized hail.

Hail in FORREST, MISSISSIPPI
From 14-MAY-09 11:24:00 to 14-MAY-09 11:26:00 (CST-6)
Location: BROOKLYN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel sized hail was observed on J B Horne Road northwest of Brooklyn.