As the upper low continued to slowly track east across the Great Plains, storms once again formed in north Texas and the Texas panhandle and made their way eastward across Oklahoma through the day and evening of the 9th.

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 12:20:00 to 09-MAY-15 12:20:00 (CST-6)
Location: DUNCAN
Magnitude: 1.25 
Reported by: Emergency Manager

Hail from quarter to half dollar size.

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 12:31:00 to 09-MAY-15 12:31:00 (CST-6)
Location: LOCO
Magnitude: 1.00 
Reported by: Public

Hail in GRADY, OKLAHOMA
From 09-MAY-15 12:55:00 to 09-MAY-15 12:55:00 (CST-6)
Location: COX CITY
Magnitude: 1.00 
Reported by: Emergency Manager

Thunderstorm Wind in HUGHES, OKLAHOMA
From 09-MAY-15 16:00:00 to 09-MAY-15 16:00:00 (CST-6)
Location: HORNTOWN
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Volunteer fire department reports several large trees down, power lines down, and barn roof removed.

Thunderstorm Wind in LOVE, OKLAHOMA
From 09-MAY-15 16:25:00 to 09-MAY-15 16:25:00 (CST-6)
Location: THACKERVILLE
Magnitude: 61.00 EG
Reported by: Storm Chaser

Two large trees down.

Tornado in COTTON, OKLAHOMA
From 09-MAY-15 17:09:00 to 09-MAY-15 17:11:00 (CST-6)
Location: RANDLETT
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A storm chaser reported a stovepipe tornado crossing US-70 west of Randlett via spotternetwork.

Tornado in MARSHALL, OKLAHOMA
From 09-MAY-15 17:24:00 to 09-MAY-15 17:30:00 (CST-6)
Location: WILLIS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Storm chasers observed a tornado that moved from approximately 2 miles north to 5 miles north of Willis, although no specific points of damage were relayed to the NWS. This may have been a succession of two tornadoes.

Tornado in BECKHAM, OKLAHOMA
From 09-MAY-15 19:24:00 to 09-MAY-15 19:25:00 (CST-6)
Location: ELK CITY
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several spotters and chasers observed a tornado develop north of Elk City. Emergency management reports that the tornado developed just inside Beckham County before moving into Roger Mills County.

Tornado in ROGER MILLS, OKLAHOMA
From 09-MAY-15 19:25:00 to 09-MAY-15 19:26:00 (CST-6)
Location: HAMMON
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The tornado that developed just inside Beckham County north of Elk City moved into Roger Mills County. The tornado damaged trees and a cattle feeder.

Hail in TILLMAN, OKLAHOMA
From 09-MAY-15 17:59:00 to 09-MAY-15 17:59:00 (CST-6)
Location: GRANDFIELD
Magnitude: 1.00 
Reported by: Emergency Manager

Hail in COTTON, OKLAHOMA
From 09-MAY-15 18:03:00 to 09-MAY-15 18:03:00 (CST-6)
Location: TEMPLE
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 18:24:00 to 09-MAY-15 18:24:00 (CST-6)
Location: CORUM
Magnitude: 1.50 
Reported by: Trained Spotter

No damage reported.

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 18:25:00 to 09-MAY-15 18:25:00 (CST-6)
Location: CORUM
Magnitude: 1.50 
Reported by: Broadcast Media

No damage reported.

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 18:34:00 to 09-MAY-15 18:34:00 (CST-6)
Location: DUNCAN
Magnitude: 1.75 
Reported by: Amateur Radio

Reported at highway 81 and highway 7 bypass. No damage reported.

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 18:41:00 to 09-MAY-15 18:41:00 (CST-6)
Location: COMANCHE
Magnitude: 1.00 
Reported by: Public

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 18:42:00 to 09-MAY-15 18:42:00 (CST-6)
Location: DUNCAN
Magnitude: 1.25 
Reported by: Amateur Radio

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 18:48:00 to 09-MAY-15 18:48:00 (CST-6)
Location: COMANCHE
Magnitude: 2.75 
Reported by: Broadcast Media

No damage reported.

Hail in TILLMAN, OKLAHOMA
From 09-MAY-15 18:50:00 to 09-MAY-15 18:50:00 (CST-6)
Location: HOLLISTER
Magnitude: 1.00 
Reported by: Trained Spotter

Tornado in BRYAN, OKLAHOMA
From 09-MAY-15 18:25:00 to 09-MAY-15 18:35:00 (CST-6)
Location: SILO
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A tornado developed about 1 miles south-southwest of Silo and moved east-northeast to at least 5 miles north-northwest of Durant. At least one home received roof damage and a mobile home was also damaged. Numerous trees were downed along the path and one truck suffered damage in the adjacent rear-flank downdraft region.

Flash Flood in PONTOTOC, OKLAHOMA
From 09-MAY-15 15:29:00 to 09-MAY-15 17:29:00 (CST-6)
Location: ADA
Flood cause: Heavy Rain
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Public

Cars stalled due to flood waters. Report came from MPING app.

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 19:10:00 to 09-MAY-15 19:10:00 (CST-6)
Location: SUNRAY
Magnitude: 1.75 
Reported by: Emergency Manager

No damage reported.

Hail in ATOKA, OKLAHOMA
From 09-MAY-15 19:10:00 to 09-MAY-15 19:10:00 (CST-6)
Location: BENTLEY
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in PONTOTOC, OKLAHOMA
From 09-MAY-15 21:22:00 to 09-MAY-15 21:22:00 (CST-6)
Location: FITTSTOWN
Magnitude: 1.00 
Reported by: Emergency Manager

Flash Flood in STEPHENS, OKLAHOMA
From 09-MAY-15 12:33:00 to 09-MAY-15 14:33:00 (CST-6)
Location: MARLOW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Up to a foot of water on McCurdy road north of Duncan. No damage reported.

Flash Flood in STEPHENS, OKLAHOMA
From 09-MAY-15 12:35:00 to 09-MAY-15 14:35:00 (CST-6)
Location: MARLOW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Water over south bound lane of Highway 81 north of Highway 7 junction. No damage reported.

Flash Flood in STEPHENS, OKLAHOMA
From 09-MAY-15 13:29:00 to 09-MAY-15 15:29:00 (CST-6)
Location: MARLOW
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flood waters reported in school building.

Flash Flood in GRADY, OKLAHOMA
From 09-MAY-15 13:36:00 to 09-MAY-15 15:36:00 (CST-6)
Location: MINCO
Flood cause: Heavy Rain
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Truck hydroplaned into ditch on Highway 37 between Robbins Rd and County Rd 2870. Water over roadway.

Flash Flood in GRADY, OKLAHOMA
From 09-MAY-15 13:41:00 to 09-MAY-15 15:41:00 (CST-6)
Location: POCASSET
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Parts of Highway 81 submerged under several inches of water. No damage reported.

Hail in COTTON, OKLAHOMA
From 09-MAY-15 11:00:00 to 09-MAY-15 11:00:00 (CST-6)
Location: WALTERS
Magnitude: 1.00 
Reported by: Law Enforcement

Hail in COMANCHE, OKLAHOMA
From 09-MAY-15 11:24:00 to 09-MAY-15 11:24:00 (CST-6)
Location: WICHITA MTNS NWR HQ
Magnitude: 1.00 
Reported by: Public

Flash Flood in CLEVELAND, OKLAHOMA
From 09-MAY-15 15:40:00 to 09-MAY-15 17:40:00 (CST-6)
Location: (OUN)NORMAN WESTHEIMER ARPT
Flood cause: Heavy Rain
Property damage: 80.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Numerous streets flooded and cars stalled.

Flash Flood in STEPHENS, OKLAHOMA
From 09-MAY-15 18:50:00 to 09-MAY-15 20:50:00 (CST-6)
Location: DUNCAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Several inches of water over Highway 81.

Flash Flood in GARVIN, OKLAHOMA
From 09-MAY-15 20:35:00 to 09-MAY-15 22:35:00 (CST-6)
Location: WHITEBEAD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several inches of water over Highway 77.

Flash Flood in GARVIN, OKLAHOMA
From 09-MAY-15 20:52:00 to 09-MAY-15 22:52:00 (CST-6)
Location: WHITEBEAD
Flood cause: Heavy Rain
Property damage: 60.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Areas roads covered in one to three feet of water. Several vehicles stranded and stalled.

Flash Flood in PONTOTOC, OKLAHOMA
From 09-MAY-15 21:35:00 to 09-MAY-15 23:35:00 (CST-6)
Location: ADA
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Numerous streets flooded in and around Ada. Traffic lights shorting out due to high water in some locations.

Tornado in LOVE, OKLAHOMA
From 09-MAY-15 16:30:00 to 09-MAY-15 16:30:00 (CST-6)
Location: THACKERVILLE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tornado produced some minor tree damage near Thackerville.

Tornado in LOVE, OKLAHOMA
From 09-MAY-15 16:50:00 to 09-MAY-15 16:50:00 (CST-6)
Location: MARIETTA
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tornado was reported to have touched down briefly near Loves Valley Road near Tucks Ferry. No damage was reported.

Hail in COMANCHE, OKLAHOMA
From 09-MAY-15 11:30:00 to 09-MAY-15 11:30:00 (CST-6)
Location: WICHITA MTNS NWR HQ
Magnitude: 1.00 
Reported by: Public

Hail in STEPHENS, OKLAHOMA
From 09-MAY-15 11:31:00 to 09-MAY-15 11:31:00 (CST-6)
Location: LOCO
Magnitude: 1.00 
Reported by: Public

Hail in CADDO, OKLAHOMA
From 09-MAY-15 11:45:00 to 09-MAY-15 11:45:00 (CST-6)
Location: CEMENT
Magnitude: 1.00 
Reported by: Storm Chaser

Nickel to quarter size hail was reported.

Hail in KIOWA, OKLAHOMA
From 09-MAY-15 12:05:00 to 09-MAY-15 12:05:00 (CST-6)
Location: COLD SPRINGS
Magnitude: 1.00 
Reported by: Park/Forest Service