As an upper level trough continued to move over the central plains, storms formed ahead of a cold front in west Texas. These storms formed a line as the moved eastward and developed northward into Oklahoma.

Thunderstorm Wind in STEPHENS, OKLAHOMA
From 25-MAY-15 13:27:00 to 25-MAY-15 13:27:00 (CST-6)
Location: COMANCHE
Magnitude: 52.00 MG
Reported by: Amateur Radio

No damage reported.

Thunderstorm Wind in STEPHENS, OKLAHOMA
From 25-MAY-15 13:45:00 to 25-MAY-15 13:45:00 (CST-6)
Location: LAKE FUQUA  DAM
Magnitude: 54.00 MG
Reported by: Mesonet

No damage reported.

Thunderstorm Wind in CARTER, OKLAHOMA
From 25-MAY-15 13:50:00 to 25-MAY-15 13:50:00 (CST-6)
Location: LONE GROVE
Magnitude: 50.00 MG
Reported by: Mesonet

No damage reported.

Thunderstorm Wind in GARVIN, OKLAHOMA
From 25-MAY-15 14:15:00 to 25-MAY-15 14:15:00 (CST-6)
Location: ELMORE CITY
Magnitude: 56.00 EG
Reported by: Amateur Radio

Ten power poles were downed.

Hail in ATOKA, OKLAHOMA
From 25-MAY-15 14:40:00 to 25-MAY-15 14:40:00 (CST-6)
Location: ATOKA
Magnitude: 1.00 
Reported by: Emergency Manager

Thunderstorm Wind in HUGHES, OKLAHOMA
From 25-MAY-15 15:40:00 to 25-MAY-15 15:40:00 (CST-6)
Location: HOLDENVILLE
Magnitude: 56.00 EG
Reported by: Law Enforcement

Trees and tree limbs downed.

Hail in GRANT, OKLAHOMA
From 25-MAY-15 16:32:00 to 25-MAY-15 16:32:00 (CST-6)
Location: MEDFORD
Magnitude: 1.00 
Reported by: Storm Chaser

Flash Flood in MARSHALL, OKLAHOMA
From 25-MAY-15 14:20:00 to 25-MAY-15 17:20:00 (CST-6)
Location: OAKLAND
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several inches of water over Highway 199 and Highway 70 in Madill.

Flash Flood in ATOKA, OKLAHOMA
From 25-MAY-15 14:46:00 to 25-MAY-15 17:46:00 (CST-6)
Location: ATOKA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Streets covered with up to two feet of water.

Flash Flood in JOHNSTON, OKLAHOMA
From 25-MAY-15 14:47:00 to 25-MAY-15 17:47:00 (CST-6)
Location: MANNSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several inches of water over Highway 177.

Flash Flood in ATOKA, OKLAHOMA
From 25-MAY-15 14:49:00 to 25-MAY-15 17:49:00 (CST-6)
Location: ATOKA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flood waters up to two feet deep on several area roads.

Flood in CADDO, OKLAHOMA
From 25-MAY-15 18:50:00 to 25-MAY-15 21:50:00 (CST-6)
Location: CARNEGIE
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water rescue from vehicle swept into Washita River. Flooding at corner of Birch and Delaware.

Tornado in BRYAN, OKLAHOMA
From 25-MAY-15 13:42:00 to 25-MAY-15 14:10:00 (CST-6)
Location: BLUE
Tornado F-scale: EF2
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A strong tornado developed in Bryan County near the intersection of Old US Highway 70 and Pirtle Road, 2.5 miles west-southwest of Blue. The tornado moved northeast and destroyed a mobile home north of Blue where a 48-year old woman was killed. This was one of a few mobile homes that were destroyed as the tornado moved through Bryan County (DI 3, DOD 8-9). Other homes also suffered roof damage or other damage from falling trees. From north of Blue, the tornado turned to the north and moved into Atoka County.

Tornado in ATOKA, OKLAHOMA
From 25-MAY-15 14:10:00 to 25-MAY-15 14:20:00 (CST-6)
Location: CANEY
Tornado F-scale: EF3
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The tornado moved into Atoka County from Bryan County and moved generally north dissipating east of Caney. Homes suffered significant damage in Atoka County (DI 2, up to DOD 8) and one injury was reported east of Caney.

Tornado in ATOKA, OKLAHOMA
From 25-MAY-15 15:06:00 to 25-MAY-15 15:08:00 (CST-6)
Location: STRINGTOWN
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management and spotters observed a relatively large tornado east of Mack Alford Correctional Center in the forests in or near the Atoka Wildlife Management Area. No structural damage is known to have occurred with this tornado.

Tornado in ATOKA, OKLAHOMA
From 25-MAY-15 14:29:00 to 25-MAY-15 14:41:00 (CST-6)
Location: BENTLEY
Tornado F-scale: EF2
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

After the Blue-Caney tornado dissipated, the storm produced another tornado that developed 3.5 north-northwest of Bentley and moved north just west of Harmony, then last observed about 3 miles east of Atoka. Widespread areas were observed along the path with uprooted trees, and a number of houses were damaged (DI 2, up to DOD 6).