A line of thunderstorms developed ahead of a strong cold front and very quickly became severe with very strong winds and marginally severe hail. Wind gusts in excess of 70 mph were reported over the northwest portion of Oklahoma City, causing quite a bit of damage. The squall line continued toward the Red River, and then moving into northern Texas by mid evening.

Thunderstorm Wind in KIOWA, OKLAHOMA
From 02-SEP-10 17:56:00 to 02-SEP-10 17:56:00 (CST-6)
Location: HOBART
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in KIOWA, OKLAHOMA
From 02-SEP-10 18:00:00 to 02-SEP-10 18:00:00 (CST-6)
Location: HOBART
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CADDO, OKLAHOMA
From 02-SEP-10 18:27:00 to 02-SEP-10 18:27:00 (CST-6)
Location: CYRIL
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in GRADY, OKLAHOMA
From 02-SEP-10 18:55:00 to 02-SEP-10 18:55:00 (CST-6)
Location: RUSH SPRINGS
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in COMANCHE, OKLAHOMA
From 02-SEP-10 18:58:00 to 02-SEP-10 18:59:00 (CST-6)
Location: LAWTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in COMANCHE, OKLAHOMA
From 02-SEP-10 19:09:00 to 02-SEP-10 19:10:00 (CST-6)
Location: LAWTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

The hail was reported near I-44 and Rogers Lane.

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 02-SEP-10 19:13:00 to 02-SEP-10 19:13:00 (CST-6)
Location: LAWTON
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hail in COMANCHE, OKLAHOMA
From 02-SEP-10 19:17:00 to 02-SEP-10 19:18:00 (CST-6)
Location: LAWTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

The hail was reported on the north side of the Lawton/Ft. Sill Regional Airport.

Thunderstorm Wind in CLEVELAND, OKLAHOMA
From 02-SEP-10 18:04:00 to 02-SEP-10 18:04:00 (CST-6)
Location: MOORE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

The wind gust was reported near SW 104th Street and Western Avenue.

Thunderstorm Wind in JACKSON, OKLAHOMA
From 02-SEP-10 18:30:00 to 02-SEP-10 18:30:00 (CST-6)
Location: ALTUS
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CADDO, OKLAHOMA
From 02-SEP-10 18:35:00 to 02-SEP-10 18:35:00 (CST-6)
Location: APACHE
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in COMANCHE, OKLAHOMA
From 02-SEP-10 18:55:00 to 02-SEP-10 18:55:00 (CST-6)
Location: LAWTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in LOGAN, OKLAHOMA
From 02-SEP-10 17:05:00 to 02-SEP-10 17:06:00 (CST-6)
Location: GUTHRIE
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several tree limbs were downed around town. Monetary damages were estimated.

Thunderstorm Wind in OKLAHOMA, OKLAHOMA
From 02-SEP-10 17:35:00 to 02-SEP-10 17:36:00 (CST-6)
Location: WARR ACRES
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

The wind gust was reported at Northwest Expressway and Meridian Avenue.

Thunderstorm Wind in KIOWA, OKLAHOMA
From 02-SEP-10 17:46:00 to 02-SEP-10 17:46:00 (CST-6)
Location: HOBART
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in OKLAHOMA, OKLAHOMA
From 02-SEP-10 17:34:00 to 02-SEP-10 17:35:00 (CST-6)
Location: (PWA)WILEY POST APT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in OKLAHOMA, OKLAHOMA
From 02-SEP-10 17:15:00 to 02-SEP-10 17:25:00 (CST-6)
Location: EDMOND
Magnitude: 65.00 EG
Property damage: 2.50M
Crop damage: 0.00K
Reported by: Trained Spotter

Widespread damage was reported between Council Road and MacArthur Avenue, and between NW 150th and Hefner Road. Thousands of tree limbs were blown down. A roof at a nursing home was partially removed. A large portion of the roof at James L. Dennis Elementary school was also removed. Dozens of fences were blown down. At least five large power poles were snapped, with several other smaller poles/lines downed. A couple of highway signs were also blown over along the Kilpatrick Turnpike. The peak wind gust was estimated at 75 mph, with several other gusts over 60 mph. Monetary damage estimates were not available.

Thunderstorm Wind in CLEVELAND, OKLAHOMA
From 02-SEP-10 18:45:00 to 02-SEP-10 18:46:00 (CST-6)
Location: (OUN)NORMAN WESTHEIMER ARPT
Magnitude: 56.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

An 8-inch diameter tree, 15 to 20 feet tall, was blown down near Tecumseh Road and NW 36th Street. Monetary damages were estimated.