Severe storms formed overnight on the 11th into the 12th behind a front as an upper level trough moved through the area.

Hail in GREER, OKLAHOMA
From 11-MAY-16 23:50:00 to 11-MAY-16 23:50:00 (CST-6)
Location: MANGUM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in COMANCHE, OKLAHOMA
From 12-MAY-16 01:10:00 to 12-MAY-16 01:10:00 (CST-6)
Location: CACHE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in KIOWA, OKLAHOMA
From 12-MAY-16 00:31:00 to 12-MAY-16 00:31:00 (CST-6)
Location: COLD SPRINGS
Magnitude: 2.00 
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Windows were knocked out at the Tom Steed Reservoir bait shop.

Hail in COMANCHE, OKLAHOMA
From 12-MAY-16 01:16:00 to 12-MAY-16 01:16:00 (CST-6)
Location: FAXON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in COMANCHE, OKLAHOMA
From 12-MAY-16 01:36:00 to 12-MAY-16 01:36:00 (CST-6)
Location: GERONIMO
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in COMANCHE, OKLAHOMA
From 12-MAY-16 01:15:00 to 12-MAY-16 01:15:00 (CST-6)
Location: CACHE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in POTTAWATOMIE, OKLAHOMA
From 11-MAY-16 23:45:00 to 11-MAY-16 23:45:00 (CST-6)
Location: AYDELOTTE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm Wind in COTTON, OKLAHOMA
From 12-MAY-16 01:40:00 to 12-MAY-16 01:40:00 (CST-6)
Location: WALTERS ARPT
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in STEPHENS, OKLAHOMA
From 11-MAY-16 21:40:00 to 11-MAY-16 21:40:00 (CST-6)
Location: DUNCAN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in JEFFERSON, OKLAHOMA
From 11-MAY-16 21:45:00 to 11-MAY-16 21:45:00 (CST-6)
Location: ADDINGTON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in STEPHENS, OKLAHOMA
From 11-MAY-16 21:25:00 to 11-MAY-16 21:25:00 (CST-6)
Location: COMANCHE
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in STEPHENS, OKLAHOMA
From 11-MAY-16 21:25:00 to 11-MAY-16 21:25:00 (CST-6)
Location: COMANCHE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in STEPHENS, OKLAHOMA
From 11-MAY-16 21:25:00 to 11-MAY-16 21:25:00 (CST-6)
Location: COMANCHE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in STEPHENS, OKLAHOMA
From 11-MAY-16 21:33:00 to 11-MAY-16 21:33:00 (CST-6)
Location: SUNRAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GREER, OKLAHOMA
From 12-MAY-16 00:02:00 to 12-MAY-16 00:02:00 (CST-6)
Location: GRANITE
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 12-MAY-16 01:32:00 to 12-MAY-16 01:32:00 (CST-6)
Location: GERONIMO
Magnitude: 61.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Power lines and power poles were downed. Roof damage was also reported at the elementary school. One mobile home was partially destroyed and another was pushed off its foundation.