A slow-moving low pressure trough moved from the Rockies into the Plains during the 9th and 10th. Several disturbances rotating through this trough translated across the Southern Plains during this period. With very moist and unstable air in place over the region, multiple periods of thunderstorms occurred. Locally heavy rainfall as well as severe weather was prevalent across eastern Oklahoma.

Flash Flood in PUSHMATAHA, OKLAHOMA
From 09-MAY-15 14:00:00 to 09-MAY-15 16:30:00 (CST-6)
Location: WEATHERS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several roads were flooded across the eastern part of the county.

Flash Flood in PITTSBURG, OKLAHOMA
From 09-MAY-15 17:00:00 to 09-MAY-15 21:30:00 (CST-6)
Location: SCIPIO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several roads were severely flooded and impassable.

Flash Flood in PITTSBURG, OKLAHOMA
From 10-MAY-15 09:23:00 to 10-MAY-15 13:30:00 (CST-6)
Location: MC ALESTER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Highway 270 near the Indian Nation Turnpike was flooded and impassable.

Flash Flood in OKFUSKEE, OKLAHOMA
From 09-MAY-15 17:07:00 to 09-MAY-15 23:00:00 (CST-6)
Location: BOLEY
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Post Office

Several bridges within the city limits were washed out by flood water.

Flash Flood in SEQUOYAH, OKLAHOMA
From 09-MAY-15 17:18:00 to 10-MAY-15 01:00:00 (CST-6)
Location: SALLISAW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Small creeks around town flooded over roadways. One water rescue occurred.

Flash Flood in MCINTOSH, OKLAHOMA
From 09-MAY-15 19:07:00 to 09-MAY-15 23:30:00 (CST-6)
Location: ONAPA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

One to two feet of water flowed over roadways that reportedly rarely flood.

Flash Flood in SEQUOYAH, OKLAHOMA
From 10-MAY-15 10:57:00 to 10-MAY-15 15:00:00 (CST-6)
Location: MULDROW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Redland Road was flooded in Muldrow.

Flash Flood in MCINTOSH, OKLAHOMA
From 10-MAY-15 10:00:00 to 10-MAY-15 13:30:00 (CST-6)
Location: EUFAULA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The downtown recreational area was flooded. The baseball field and surrounding area was under at least a foot of water.

Flash Flood in SEQUOYAH, OKLAHOMA
From 10-MAY-15 11:18:00 to 10-MAY-15 15:00:00 (CST-6)
Location: WEST FT SMITH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Widespread flooding occurred in Moffett with numerous roads under water.

Flash Flood in SEQUOYAH, OKLAHOMA
From 10-MAY-15 11:30:00 to 10-MAY-15 15:00:00 (CST-6)
Location: MAPLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Roads in and around Muldrow were flooded and closed.

Flash Flood in LE FLORE, OKLAHOMA
From 10-MAY-15 11:36:00 to 10-MAY-15 15:00:00 (CST-6)
Location: POCOLA
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Public

A low water bridge was washed out by high water. Portions of Barnes Road were washed out by flooding.

Flash Flood in SEQUOYAH, OKLAHOMA
From 10-MAY-15 12:51:00 to 10-MAY-15 15:00:00 (CST-6)
Location: MULDROW
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

Portions of the E1100 Road were washed out by flooding.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 10-MAY-15 18:40:00 to 10-MAY-15 18:40:00 (CST-6)
Location: SUMMERFIELD
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down by strong thunderstorm wind.

Flash Flood in SEQUOYAH, OKLAHOMA
From 09-MAY-15 19:30:00 to 10-MAY-15 01:00:00 (CST-6)
Location: SALLISAW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several roads in Sallisaw were closed due to high water.

Thunderstorm Wind in PITTSBURG, OKLAHOMA
From 10-MAY-15 08:06:00 to 10-MAY-15 08:06:00 (CST-6)
Location: MC ALESTER
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind snapped large tree limbs.

Thunderstorm Wind in PITTSBURG, OKLAHOMA
From 09-MAY-15 23:25:00 to 09-MAY-15 23:25:00 (CST-6)
Location: QUINTON
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The roof of a nursing home was damaged by strong thunderstorm wind.

Flash Flood in MCINTOSH, OKLAHOMA
From 10-MAY-15 00:41:00 to 10-MAY-15 03:30:00 (CST-6)
Location: BOWER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The fire department conducted several water rescues for people trapped in vehicles due to rapidly rising water.

Flash Flood in LE FLORE, OKLAHOMA
From 10-MAY-15 01:33:00 to 10-MAY-15 04:00:00 (CST-6)
Location: ARKOMA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

At least one home was evacuated due to rapidly rising water.

Thunderstorm Wind in OKMULGEE, OKLAHOMA
From 10-MAY-15 08:30:00 to 10-MAY-15 08:30:00 (CST-6)
Location: OKMULGEE ARPT
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several power poles and small trees were blown down by strong thunderstorm wind.

Flash Flood in OKMULGEE, OKLAHOMA
From 10-MAY-15 08:30:00 to 10-MAY-15 13:00:00 (CST-6)
Location: OKMULGEE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several roads were flooded and closed.

Thunderstorm Wind in LATIMER, OKLAHOMA
From 10-MAY-15 18:47:00 to 10-MAY-15 18:47:00 (CST-6)
Location: RED OAK
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A barn was damaged by strong thunderstorm wind.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 10-MAY-15 19:32:00 to 10-MAY-15 19:32:00 (CST-6)
Location: SHADY PT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 10-MAY-15 19:40:00 to 10-MAY-15 19:40:00 (CST-6)
Location: SPIRO
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind snapped large tree limbs and damaged an outbuilding.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 10-MAY-15 19:42:00 to 10-MAY-15 19:42:00 (CST-6)
Location: POCOLA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm wind gusts were estimated to 65 mph.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 10-MAY-15 19:42:00 to 10-MAY-15 19:42:00 (CST-6)
Location: PANAMA
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm wind gusts were estimated to 70 mph.

Flash Flood in LE FLORE, OKLAHOMA
From 10-MAY-15 21:24:00 to 11-MAY-15 03:00:00 (CST-6)
Location: SPIRO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highway 9 was flooded at the Haskell / Le Flore County line.

Hail in LE FLORE, OKLAHOMA
From 10-MAY-15 18:10:00 to 10-MAY-15 18:10:00 (CST-6)
Location: OCTAVIA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LE FLORE, OKLAHOMA
From 10-MAY-15 18:50:00 to 10-MAY-15 18:50:00 (CST-6)
Location: WISTER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tornado in PITTSBURG, OKLAHOMA
From 10-MAY-15 08:01:00 to 10-MAY-15 08:04:00 (CST-6)
Location: (MLC)MC ALESTER MUNI
Tornado F-scale: EF1
Property damage: 35.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado destroyed a barn, rolled a horse trailer, blew down a grain silo, and uprooted trees. Based on this damage, estimated maximum wind in the tornado was 90 to 100 mph.

Thunderstorm Wind in LATIMER, OKLAHOMA
From 10-MAY-15 08:38:00 to 10-MAY-15 08:38:00 (CST-6)
Location: WILBURTON
Magnitude: 70.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and some power lines were blown down by strong thunderstorm wind.

Thunderstorm Wind in LATIMER, OKLAHOMA
From 10-MAY-15 08:38:00 to 10-MAY-15 08:38:00 (CST-6)
Location: VETERANS COLONY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind snapped large tree limbs near the intersection of Highway 1 and Highway 2.

Thunderstorm Wind in HASKELL, OKLAHOMA
From 10-MAY-15 08:45:00 to 10-MAY-15 08:45:00 (CST-6)
Location: KINTA
Magnitude: 70.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees and power poles were blown down by strong thunderstorm wind.

Flash Flood in OKMULGEE, OKLAHOMA
From 10-MAY-15 09:00:00 to 10-MAY-15 13:00:00 (CST-6)
Location: BEGGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Significant flooding occurred along Highway 16 at Alternate Highway 75.

Thunderstorm Wind in MUSKOGEE, OKLAHOMA
From 10-MAY-15 09:05:00 to 10-MAY-15 09:05:00 (CST-6)
Location: FT GIBSON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous large tree limbs were blown down by strong thunderstorm wind.

Tornado in LATIMER, OKLAHOMA
From 10-MAY-15 18:18:00 to 10-MAY-15 18:41:00 (CST-6)
Location: VETERANS COLONY
Tornado F-scale: EF2
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado damaged several homes, severely damaged a metal-framed outbuilding, damaged an oil drilling platform, destroyed barns and outbuildings, damaged the Cravens VFD building, and snapped or uprooted numerous trees. Based on this damage, estimated maximum wind in the tornado was 115 to 125 mph.

Flash Flood in LE FLORE, OKLAHOMA
From 10-MAY-15 21:24:00 to 11-MAY-15 03:00:00 (CST-6)
Location: MILTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highway 31 was flooded at the Haskell / Le Flore County line.

Flash Flood in LE FLORE, OKLAHOMA
From 10-MAY-15 21:31:00 to 11-MAY-15 03:00:00 (CST-6)
Location: GILMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous county roads were flooded and closed.

Flood in LE FLORE, OKLAHOMA
From 11-MAY-15 09:00:00 to 11-MAY-15 14:00:00 (CST-6)
Location: BOKOSHE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Station Road near Bokoshe was flooded. Buck Creek Road near Panama was flooded.

Tornado in PUSHMATAHA, OKLAHOMA
From 10-MAY-15 17:18:00 to 10-MAY-15 17:21:00 (CST-6)
Location: JUMBO
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Storm chasers witnessed a tornado over rugged terrain east of the Indian Nation Turnpike. The area where the tornado occurred was inaccessible by road.

Tornado in LATIMER, OKLAHOMA
From 10-MAY-15 18:46:00 to 10-MAY-15 18:52:00 (CST-6)
Location: RED OAK
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado snapped large tree limbs along a narrow path. Based on this damage, maximum estimated wind in the tornado was 65 to 75 mph.

Flash Flood in HASKELL, OKLAHOMA
From 10-MAY-15 09:30:00 to 10-MAY-15 13:30:00 (CST-6)
Location: LEWISVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Copper Bend Road south of Kinta was flooded and impassable.

Flash Flood in SEQUOYAH, OKLAHOMA
From 10-MAY-15 09:54:00 to 10-MAY-15 15:00:00 (CST-6)
Location: SALLISAW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Portions of several roads were washed out or flooded and impassable.

Flash Flood in TULSA, OKLAHOMA
From 10-MAY-15 10:45:00 to 10-MAY-15 12:30:00 (CST-6)
Location: BIXBY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The road was closed due to high water at 131st E Ave. between Memorial and Mingo.

Flash Flood in WAGONER, OKLAHOMA
From 10-MAY-15 10:50:00 to 10-MAY-15 12:30:00 (CST-6)
Location: WAGONER AIRSTRIP
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several roads in and around town were flooded and closed.

Flash Flood in SEQUOYAH, OKLAHOMA
From 10-MAY-15 10:54:00 to 10-MAY-15 15:00:00 (CST-6)
Location: SADIE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Highway 59 near Sallisaw was flooded. Sallisaw Creek was flooded and portions of the Sallisaw Golf course were under water.