Thunderstorms developed during the early morning hours across northeastern Oklahoma and southeastern Kansas in response to an approaching upper level disturbance and increasing low level jet. These storms moved east across the region producing damaging wind, large hail and flash flooding. Another round of severe thunderstorms moved into eastern Oklahoma from the west during the late afternoon and evening hours producing damaging wind and flash flooding.

Hail in CRAIG, OKLAHOMA
From 23-MAY-11 07:10:00 to 23-MAY-11 07:10:00 (CST-6)
Location: CENTRALIA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in OTTAWA, OKLAHOMA
From 23-MAY-11 12:56:00 to 23-MAY-11 12:56:00 (CST-6)
Location: QUAPAW
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 23-MAY-11 20:34:00 to 23-MAY-11 20:34:00 (CST-6)
Location: PANAMA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management estimated 60 mph wind gusts with thunderstorms.

Hail in MCINTOSH, OKLAHOMA
From 23-MAY-11 21:00:00 to 23-MAY-11 21:00:00 (CST-6)
Location: CHECOTAH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tornado in OSAGE, OKLAHOMA
From 23-MAY-11 16:52:00 to 23-MAY-11 16:52:00 (CST-6)
Location: FAIRFAX
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief tornado developed over open country. No damage resulted from the tornado.

Flash Flood in NOWATA, OKLAHOMA
From 23-MAY-11 09:40:00 to 23-MAY-11 13:00:00 (CST-6)
Location: LENAPAH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Highway 10 was flooded and closed just east of Lenapah.

Thunderstorm Wind in ADAIR, OKLAHOMA
From 23-MAY-11 19:24:00 to 23-MAY-11 19:24:00 (CST-6)
Location: STILWELL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A storm chaser estimated 60 mph thunderstorm wind gusts north of Stilwell.

Flash Flood in CHEROKEE, OKLAHOMA
From 23-MAY-11 19:45:00 to 24-MAY-11 02:00:00 (CST-6)
Location: TAHLEQUAH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A swift water rescue was necessary in flood waters covering roads in Tahlequah.

Flash Flood in CHEROKEE, OKLAHOMA
From 23-MAY-11 19:45:00 to 24-MAY-11 02:00:00 (CST-6)
Location: HULBERT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A swift water rescue was necessary in flood waters near Hulbert.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 23-MAY-11 20:25:00 to 23-MAY-11 20:25:00 (CST-6)
Location: BOKOSHE
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several power lines were blown down by strong thunderstorm wind.

Flash Flood in CRAIG, OKLAHOMA
From 23-MAY-11 11:50:00 to 23-MAY-11 13:00:00 (CST-6)
Location: WHITE OAK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous roads were flooded and closed north of Vinita. At least ten motorists were rescued by emergency personnel in the flood waters and at least 20 homes were evacuated due to rising flood water. The Oklahoma Mesonet station near Vinita measured 7.48 inches of rain in five hours during this event.

Flash Flood in OTTAWA, OKLAHOMA
From 23-MAY-11 14:19:00 to 23-MAY-11 18:30:00 (CST-6)
Location: MIAMI
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Extensive flooding was reported in and around the City of Miami. Portions of Highway 10 and Alternate Highway 69 were flooded and closed. At least four motorists had to be rescued after they became stranded in flood water. A couple homes were damaged by flood water in the city.

Thunderstorm Wind in CHEROKEE, OKLAHOMA
From 23-MAY-11 19:12:00 to 23-MAY-11 19:12:00 (CST-6)
Location: TAHLEQUAH
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees and a few power poles were blown down by strong thunderstorm winds.

Flash Flood in CRAIG, OKLAHOMA
From 23-MAY-11 10:30:00 to 23-MAY-11 13:00:00 (CST-6)
Location: VINITA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood water covered many county roads around Bluejacket and Pyramid Corners.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 23-MAY-11 20:28:00 to 23-MAY-11 20:28:00 (CST-6)
Location: ARKOMA
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Large trees and multiple power lines were blown down by strong thunderstorm winds.

Flash Flood in ADAIR, OKLAHOMA
From 23-MAY-11 21:22:00 to 24-MAY-11 02:00:00 (CST-6)
Location: WESTVILLE
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highway 59 was closed between Westville and Stilwell due to high water covering the roadway. Several cars were stranded in the flood water.

Thunderstorm Wind in DELAWARE, OKLAHOMA
From 23-MAY-11 18:20:00 to 23-MAY-11 18:20:00 (CST-6)
Location: CHLOETA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Strong thunderstorm wind blew down several trees in the vicinity of Kenwood.

Flash Flood in OTTAWA, OKLAHOMA
From 23-MAY-11 10:00:00 to 23-MAY-11 13:00:00 (CST-6)
Location: MIAMI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous roads were closed in and around the City of Miami due to heavy rainfall.

Flash Flood in NOWATA, OKLAHOMA
From 23-MAY-11 10:10:00 to 23-MAY-11 13:00:00 (CST-6)
Location: NOWATA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The county road just north of Highway 60 along the Nowata/Craig County line was flooded and impassable.

Flash Flood in CRAIG, OKLAHOMA
From 23-MAY-11 10:25:00 to 23-MAY-11 13:00:00 (CST-6)
Location: CENTRALIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several roads in and around Centralia were flooded by heavy rainfall.

Thunderstorm Wind in NOWATA, OKLAHOMA
From 23-MAY-11 06:30:00 to 23-MAY-11 06:30:00 (CST-6)
Location: LENAPAH
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind blew down trees.

Thunderstorm Wind in NOWATA, OKLAHOMA
From 23-MAY-11 07:15:00 to 23-MAY-11 07:15:00 (CST-6)
Location: LENAPAH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm wind gusts to 60 mph were estimated by the public in Lenapah.

Flash Flood in CRAIG, OKLAHOMA
From 23-MAY-11 11:50:00 to 23-MAY-11 13:00:00 (CST-6)
Location: WELCH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highway 10 east of Welch was closed due to water over the roadway in several locations.

Flash Flood in CRAIG, OKLAHOMA
From 23-MAY-11 11:50:00 to 23-MAY-11 13:00:00 (CST-6)
Location: BLUEJACKET
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highway 25 was closed due to flooding of the roadway in many places from east of Pyramid Corners through Bluejacket to near Highway 69.

Flash Flood in NOWATA, OKLAHOMA
From 23-MAY-11 14:15:00 to 23-MAY-11 18:30:00 (CST-6)
Location: COODYS BLUFF
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Many county roads were flooded across the east and southeast portion of the county. A water rescue was necessary at Highways 60 and 28.

Flash Flood in ROGERS, OKLAHOMA
From 23-MAY-11 16:00:00 to 23-MAY-11 18:30:00 (CST-6)
Location: CATALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several roadways were flooded and impassable as a result of locally heavy rainfall.

Hail in CRAIG, OKLAHOMA
From 23-MAY-11 07:30:00 to 23-MAY-11 07:30:00 (CST-6)
Location: WELCH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public