A potent mid-latitude storm system moved across the Northern Plains the afternoon of the 29th, bringing a potent cold front into western Oklahoma early in the day. The front combined with moderate afternoon instability and moderate to strong upper level westerly winds to generate numerous severe thunderstorms across central Oklahoma. Numerous reports of large hail and damaging winds were received.

Hail in CANADIAN, OKLAHOMA
From 28-MAY-12 19:28:00 to 28-MAY-12 19:28:00 (CST-6)
Location: OKARCHE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in CLEVELAND, OKLAHOMA
From 28-MAY-12 19:44:00 to 28-MAY-12 19:44:00 (CST-6)
Location: STELLA
Magnitude: 1.75 
Reported by: Broadcast Media

Hail in CANADIAN, OKLAHOMA
From 28-MAY-12 19:45:00 to 28-MAY-12 19:45:00 (CST-6)
Location: OKARCHE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in PAYNE, OKLAHOMA
From 28-MAY-12 19:45:00 to 28-MAY-12 19:45:00 (CST-6)
Location: STILLWATER
Magnitude: 1.00 
Reported by: Emergency Manager

Hail in KINGFISHER, OKLAHOMA
From 28-MAY-12 19:53:00 to 28-MAY-12 19:53:00 (CST-6)
Location: OKARCHE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CANADIAN, OKLAHOMA
From 28-MAY-12 20:02:00 to 28-MAY-12 20:02:00 (CST-6)
Location: OKARCHE
Magnitude: 1.75 
Reported by: Trained Spotter

Hail in CANADIAN, OKLAHOMA
From 28-MAY-12 20:16:00 to 28-MAY-12 20:16:00 (CST-6)
Location: OKARCHE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in LINCOLN, OKLAHOMA
From 28-MAY-12 20:43:00 to 28-MAY-12 20:43:00 (CST-6)
Location: WARWICK
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in CANADIAN, OKLAHOMA
From 28-MAY-12 20:50:00 to 28-MAY-12 20:50:00 (CST-6)
Location: CONCHO
Magnitude: 1.75 
Reported by: Trained Spotter

Hail in MCCLAIN, OKLAHOMA
From 28-MAY-12 19:33:00 to 28-MAY-12 19:33:00 (CST-6)
Location: DIBBLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in TILLMAN, OKLAHOMA
From 28-MAY-12 16:57:00 to 28-MAY-12 16:57:00 (CST-6)
Location: HOLLISTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GARVIN, OKLAHOMA
From 28-MAY-12 17:01:00 to 28-MAY-12 17:01:00 (CST-6)
Location: LINDSAY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in TILLMAN, OKLAHOMA
From 28-MAY-12 17:03:00 to 28-MAY-12 17:03:00 (CST-6)
Location: HOLLISTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COMANCHE, OKLAHOMA
From 28-MAY-12 17:27:00 to 28-MAY-12 17:27:00 (CST-6)
Location: CHATTANOOGA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STEPHENS, OKLAHOMA
From 28-MAY-12 17:29:00 to 28-MAY-12 17:29:00 (CST-6)
Location: DUNCAN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in STEPHENS, OKLAHOMA
From 28-MAY-12 17:36:00 to 28-MAY-12 17:36:00 (CST-6)
Location: DUNCAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in COMANCHE, OKLAHOMA
From 28-MAY-12 17:39:00 to 28-MAY-12 17:39:00 (CST-6)
Location: FAXON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in STEPHENS, OKLAHOMA
From 28-MAY-12 17:40:00 to 28-MAY-12 17:40:00 (CST-6)
Location: DUNCAN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in STEPHENS, OKLAHOMA
From 28-MAY-12 17:45:00 to 28-MAY-12 17:45:00 (CST-6)
Location: MARLOW
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in CARTER, OKLAHOMA
From 28-MAY-12 18:00:00 to 28-MAY-12 18:00:00 (CST-6)
Location: HEALDTON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 28-MAY-12 18:18:00 to 28-MAY-12 18:18:00 (CST-6)
Location: STERLING
Magnitude: 56.00 MG
Property damage: 210.00K
Reported by: Amateur Radio

Wind damage was also reported in the area with several power poles snapped at ground level and damage to many cars and residential roofs. A large cell tower toppled on the east side of Lawton. Monetary damages are estimated.

Hail in COMANCHE, OKLAHOMA
From 28-MAY-12 18:13:00 to 28-MAY-12 18:13:00 (CST-6)
Location: STERLING
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in GARVIN, OKLAHOMA
From 28-MAY-12 18:22:00 to 28-MAY-12 18:22:00 (CST-6)
Location: LINDSAY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in GRADY, OKLAHOMA
From 28-MAY-12 18:25:00 to 28-MAY-12 18:25:00 (CST-6)
Location: TABLER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in LINCOLN, OKLAHOMA
From 28-MAY-12 20:27:00 to 28-MAY-12 20:27:00 (CST-6)
Location: CARNEY
Magnitude: 52.00 EG
Reported by: Law Enforcement

No damage was reported.

Hail in GARVIN, OKLAHOMA
From 28-MAY-12 18:26:00 to 28-MAY-12 18:26:00 (CST-6)
Location: LINDSAY
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in GARVIN, OKLAHOMA
From 28-MAY-12 18:27:00 to 28-MAY-12 18:27:00 (CST-6)
Location: LINDSAY
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GARVIN, OKLAHOMA
From 28-MAY-12 18:50:00 to 28-MAY-12 18:50:00 (CST-6)
Location: MAYSVILLE
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GRADY, OKLAHOMA
From 28-MAY-12 18:52:00 to 28-MAY-12 18:52:00 (CST-6)
Location: ALEX
Magnitude: 1.00 
Reported by: Public

Hail in MCCLAIN, OKLAHOMA
From 28-MAY-12 19:02:00 to 28-MAY-12 19:02:00 (CST-6)
Location: BLANCHARD
Magnitude: 1.25 
Reported by: NWS Employee

Hail in PAYNE, OKLAHOMA
From 28-MAY-12 19:15:00 to 28-MAY-12 19:15:00 (CST-6)
Location: STILLWATER
Magnitude: 1.75 
Reported by: Emergency Manager