Thunderstorms developed along a dryline during the late afternoon of May 1st, and sustained as the synoptic cold front dove through the region later that evening. Two tornadoes touched down and caused damage in portions of Osage and Douglas Counties.  One residence in Douglas County was almost completely demolished by one of the tornadoes, rated an EF-2. Hail from the size of quarters to the size of golfballs was also reported across portions of northeast and east central Kansas. After 11pm CST, the severe weather threat focus turned to strong winds. Trees were damaged across portions of the warning area, as was property including homes, outbuidings, power poles, and transformers. The Emergency Manager from Osage County reported that property damage estimates were around $100,000. Spotters estimated wind speeds up to 70 mph, and a measured gust of 71 mph was reported by the ASOS at the Lawrence Municipal Airport.

Hail in FRANKLIN, KANSAS
From 01-MAY-08 17:35:00 to 01-MAY-08 17:35:00 (CST-6)
Location: OTTAWA
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, KANSAS
From 01-MAY-08 17:50:00 to 01-MAY-08 17:50:00 (CST-6)
Location: OTTAWA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DOUGLAS, KANSAS
From 02-MAY-08 00:19:00 to 02-MAY-08 00:26:00 (CST-6)
Location: STULL
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The first signs of strong wind damage along this path were noted at a farm on E 250 Road. The gusts then pushed into the city of Lawrence. Damage was reported across Lawrence as a result of the severe thunderstorm winds. Large tree limbs were reported down on the north side of the city. Several businesses lost their signs or awnings, and received minor damage to the building. Power flashes were noted by a motorist driving along Interstate 70 near mile marker 201. A spotter had been driving along 6th Street near Wakarusa when strong winds overtook his car and forced him to pull over.  He estimated wind speeds around 80 miles per hour, and possibly stronger. One transformer was blown near this location. Power outages across the city affected 8400 residences. A deck roof was blown over a house at another residence. A mobile home on First Street in North Lawrence was heavily damaged when a tree fell onto the bedroom portion of the trailer. Eighteen to twenty inch diameter trees were blown down at the intersections of 6th Street and Queens Road, and at 6th Street and Iowa. A tractor trailer was also reported to have been blown over in north Lawrence.  At least one tree fell onto a home and caused damage. The Langston Hughes School gymnasium on the west side of town sustained approximately eighty thousand dollars in roof damage.

Thunderstorm Wind in JEFFERSON, KANSAS
From 02-MAY-08 00:22:00 to 02-MAY-08 00:22:00 (CST-6)
Location: VALLEY FALLS
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in FRANKLIN, KANSAS
From 02-MAY-08 00:15:00 to 02-MAY-08 00:15:00 (CST-6)
Location: WELLSVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OSAGE, KANSAS
From 01-MAY-08 18:42:00 to 01-MAY-08 18:46:00 (CST-6)
Location: LYNDON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail stones nearly covering the street. A second spotter report received noted taht hail was beginning to pile up against his home.

Hail in OSAGE, KANSAS
From 01-MAY-08 18:51:00 to 01-MAY-08 18:51:00 (CST-6)
Location: LYNDON POMONA LK ARP
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MORRIS, KANSAS
From 01-MAY-08 22:35:00 to 01-MAY-08 22:38:00 (CST-6)
Location: DUNLAP
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in OSAGE, KANSAS
From 01-MAY-08 23:46:00 to 01-MAY-08 23:46:00 (CST-6)
Location: QUENEMO
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Outbuildings reported to have been destroyed by thunderstorm winds.

Thunderstorm Wind in JEFFERSON, KANSAS
From 02-MAY-08 00:15:00 to 02-MAY-08 00:17:00 (CST-6)
Location: BUCK CREEK
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several reports of damage were relaed by the Emergency Manager.  Large trees were reportd down along Hwy 24. The roof was blown off a shed at 13th and Wildhorse.

Thunderstorm Wind in JEFFERSON, KANSAS
From 02-MAY-08 00:17:00 to 02-MAY-08 00:18:00 (CST-6)
Location: MC LOUTH
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tree reported down on a powerline in McClouth. Power is out to residents in the eastern part of the county.

Thunderstorm Wind in SHAWNEE, KANSAS
From 01-MAY-08 23:55:00 to 01-MAY-08 23:55:00 (CST-6)
Location: PAULINE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Several trees damaged by severe thunderstorm winds.

Thunderstorm Wind in FRANKLIN, KANSAS
From 02-MAY-08 00:00:00 to 02-MAY-08 00:00:00 (CST-6)
Location: RICHTER
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind damage was reported across northwestern portions of the county. The roof was blown off of a home at the intersection of Florida Road and Woodson Road.  A barn roof was reported to have been blown off by strong winds near the intersection of Stafford Road and Florida Road.  A tree fell onto a house on Labette Road to the west of Oattawa.  Power outages were reported across the western part of the county.

Thunderstorm Wind in DOUGLAS, KANSAS
From 02-MAY-08 00:13:00 to 02-MAY-08 00:13:00 (CST-6)
Location: LECOMPTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Metal building that houses the Lecompton Township Fire Department had it's north and south doors blown in.

Thunderstorm Wind in DOUGLAS, KANSAS
From 02-MAY-08 00:13:00 to 02-MAY-08 00:13:00 (CST-6)
Location: LAWRENCE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Several five to seven inches in diameter live tree branches snapped at the home of an NWS meteorologist. Newpaper reports also noted that at least one tree was blown down in Baldwin City.

Thunderstorm Wind in SHAWNEE, KANSAS
From 02-MAY-08 00:05:00 to 02-MAY-08 00:05:00 (CST-6)
Location: RICHLAND
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two power poles down at the intersection of 105th and Stubbs Road.

Thunderstorm Wind in DOUGLAS, KANSAS
From 02-MAY-08 00:11:00 to 02-MAY-08 00:11:00 (CST-6)
Location: CLINTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

One large, approximately 12 inches in diameter, tree blown down.  Extrememly heavy rain at the time of the report.

Thunderstorm Wind in FRANKLIN, KANSAS
From 02-MAY-08 00:12:00 to 02-MAY-08 00:12:00 (CST-6)
Location: OTTAWA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BROWN, KANSAS
From 01-MAY-08 23:05:00 to 01-MAY-08 23:05:00 (CST-6)
Location: HIAWATHA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gust speed around 40 miles per hour also reported.

Hail in LYON, KANSAS
From 01-MAY-08 23:05:00 to 01-MAY-08 23:05:00 (CST-6)
Location: EMPORIA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm Wind in OSAGE, KANSAS
From 01-MAY-08 23:26:00 to 01-MAY-08 23:26:00 (CST-6)
Location: OSAGE CITY
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in SHAWNEE, KANSAS
From 02-MAY-08 00:00:00 to 02-MAY-08 00:00:00 (CST-6)
Location: RICHLAND
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in FRANKLIN, KANSAS
From 02-MAY-08 00:02:00 to 02-MAY-08 00:02:00 (CST-6)
Location: OTTAWA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail also reported by the spotter.

Tornado in DOUGLAS, KANSAS
From 02-MAY-08 00:04:00 to 02-MAY-08 00:06:00 (CST-6)
Location: CLINTON
Tornado F-scale: EF2
Property damage: 260.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado demolished and removed a garage and two-thirds of an unoccupied house from it's foundation just after touching down. Debris from the house and the garage was strewn across a nearby field for approximately 500 yards. A metal outbuilding was destroyed near the end of the tornado path. Between these two points, moderate tree damage was noted.

Hail in COFFEY, KANSAS
From 01-MAY-08 17:58:00 to 01-MAY-08 17:58:00 (CST-6)
Location: BURLINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COFFEY, KANSAS
From 01-MAY-08 17:24:00 to 01-MAY-08 17:24:00 (CST-6)
Location: BURLINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail reported at both the sheriff's office in Burlington, and two miles west of Burlington at this time.

Hail in FRANKLIN, KANSAS
From 01-MAY-08 17:28:00 to 01-MAY-08 17:34:00 (CST-6)
Location: OTTAWA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail just bigger than the size of a quarter reported across the town of Ottawa for several minutes by several spotters.

Hail in COFFEY, KANSAS
From 01-MAY-08 18:02:00 to 01-MAY-08 18:02:00 (CST-6)
Location: ALICEVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in OSAGE, KANSAS
From 01-MAY-08 23:33:00 to 01-MAY-08 23:33:00 (CST-6)
Location: SCRANTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported debris and power flashes on the south side of Scranton. The town of Scranton was also left without power.

Hail in FRANKLIN, KANSAS
From 01-MAY-08 17:34:00 to 01-MAY-08 17:42:00 (CST-6)
Location: OTTAWA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A second swath of golf ball size hail was reported along this path by several spotters. Hail with this storm was more sporadic, but larger than with the previous cell.

Hail in ANDERSON, KANSAS
From 01-MAY-08 18:08:00 to 01-MAY-08 18:08:00 (CST-6)
Location: HARRIS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ANDERSON, KANSAS
From 01-MAY-08 18:15:00 to 01-MAY-08 18:15:00 (CST-6)
Location: HARRIS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in OSAGE, KANSAS
From 01-MAY-08 23:43:00 to 01-MAY-08 23:48:00 (CST-6)
Location: LYNDON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Significant tree damage was reported. The siding was peeled off a portion of a mobile home. At the same residence, the roof was torn from a metal outbuilding. Debris from each was carried approximately 50 yards away. Power lines and power poles were down in several locations along the path.

Hail in DOUGLAS, KANSAS
From 01-MAY-08 16:56:00 to 01-MAY-08 16:56:00 (CST-6)
Location: LAWRENCE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, KANSAS
From 01-MAY-08 16:58:00 to 01-MAY-08 16:58:00 (CST-6)
Location: WILLIAMSBURG
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 01-MAY-08 17:23:00 to 01-MAY-08 17:23:00 (CST-6)
Location: BALDWIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DOUGLAS, KANSAS
From 02-MAY-08 00:25:00 to 02-MAY-08 00:25:00 (CST-6)
Location: LAWRENCE ARPT
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Near the ASOS, a trained weather spotter with his own anemometer measured a 71 mile per hour gust at the same time.

Thunderstorm Wind in JEFFERSON, KANSAS
From 02-MAY-08 00:32:00 to 02-MAY-08 00:32:00 (CST-6)
Location: MC LOUTH
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down onto a powerline strung to a house.

Hail in DOUGLAS, KANSAS
From 01-MAY-08 16:48:00 to 01-MAY-08 16:48:00 (CST-6)
Location: BALDWIN
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 01-MAY-08 16:52:00 to 01-MAY-08 16:52:00 (CST-6)
Location: LAWRENCE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball size hail on the Kansas University campus.

Hail in DOUGLAS, KANSAS
From 01-MAY-08 16:53:00 to 01-MAY-08 16:53:00 (CST-6)
Location: LAWRENCE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Visiting Emergency Manager from Osage County reported quarter size hail at the intersection of 31st and Iowa Streets on the southern side of Lawrence.

Hail in OSAGE, KANSAS
From 01-MAY-08 16:13:00 to 01-MAY-08 16:13:00 (CST-6)
Location: QUENEMO
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 01-MAY-08 16:37:00 to 01-MAY-08 16:37:00 (CST-6)
Location: GLOBE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in OSAGE, KANSAS
From 01-MAY-08 23:43:00 to 01-MAY-08 23:45:00 (CST-6)
Location: LYNDON
Tornado F-scale: EF0
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The roof of a residence was lifted and dropped back onto the frame of the house. A large antenna that was cemented into the ground was blown over, which tore the cement block from the ground. Windows were blown out on the southern and northern sides of the house. Debris from the residence was carried approximately 100 yards away. A large, three car garage was partially destroyed just before the tornado lifted. A piece of the roof of the garage fell onto and damaged the motor home inside. Debris from the garage was carried nearly 100 yards and across a street to the Vassar Cemetary. There, one headstone was toppled.