An upper level low pressure was located over the central plains during the day of the 1st. Also, multiple boundaries, including a weak cold front and multiple outflow boundaries from previous thunderstorms were set up over Oklahoma, as well as rich low level moisture. Several disturbance rotating around the upper level storm system moved over the southern plains. Showers and thunderstorms developed over much of Oklahoma, with many becoming severe. The main threats with the thunderstorms were large hail, damaging winds, and flash flooding.

Hail in PAYNE, OKLAHOMA
From 01-JUN-07 16:15:00 to 01-JUN-07 16:15:00 (CST-6)
Location: STILLWATER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Penny to quarter size hail was reported.

Hail in GRANT, OKLAHOMA
From 01-JUN-07 17:55:00 to 01-JUN-07 17:55:00 (CST-6)
Location: POND CREEK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Dime to nickel size hail was reported.

Thunderstorm Wind in GRADY, OKLAHOMA
From 01-JUN-07 16:31:00 to 01-JUN-07 16:31:00 (CST-6)
Location: CHICKASHA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in PAYNE, OKLAHOMA
From 01-JUN-07 16:15:00 to 01-JUN-07 16:15:00 (CST-6)
Location: STILLWATER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The hail was reported at the junction of HWY 51 and Country Club Road.

Hail in GRADY, OKLAHOMA
From 01-JUN-07 16:30:00 to 01-JUN-07 16:30:00 (CST-6)
Location: CHICKASHA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in PAYNE, OKLAHOMA
From 01-JUN-07 16:30:00 to 01-JUN-07 16:30:00 (CST-6)
Location: STILLWATER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The report was relayed through NESDIS.

Hail in PAYNE, OKLAHOMA
From 01-JUN-07 17:15:00 to 01-JUN-07 17:15:00 (CST-6)
Location: GLENCOE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The report was relayed from WFO Tulsa.

Hail in MAJOR, OKLAHOMA
From 01-JUN-07 17:50:00 to 01-JUN-07 17:50:00 (CST-6)
Location: MENO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLEVELAND, OKLAHOMA
From 01-JUN-07 17:54:00 to 01-JUN-07 17:54:00 (CST-6)
Location: NOBLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in CADDO, OKLAHOMA
From 01-JUN-07 14:55:00 to 01-JUN-07 14:55:00 (CST-6)
Location: CYRIL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in CADDO, OKLAHOMA
From 01-JUN-07 15:52:00 to 01-JUN-07 15:52:00 (CST-6)
Location: ANADARKO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in CADDO, OKLAHOMA
From 01-JUN-07 15:59:00 to 01-JUN-07 15:59:00 (CST-6)
Location: ANADARKO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in GRADY, OKLAHOMA
From 01-JUN-07 16:15:00 to 01-JUN-07 16:15:00 (CST-6)
Location: NINNEKAH
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CADDO, OKLAHOMA
From 01-JUN-07 14:30:00 to 01-JUN-07 14:30:00 (CST-6)
Location: APACHE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

The report was relayed by the National Severe Storms Laboratory Hail Verification project.

Hail in GRADY, OKLAHOMA
From 01-JUN-07 16:20:00 to 01-JUN-07 16:20:00 (CST-6)
Location: NINNEKAH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The report was relayed by the National Severe Storms Laboratory Hail Verification project.

Hail in GRADY, OKLAHOMA
From 01-JUN-07 16:38:00 to 01-JUN-07 16:38:00 (CST-6)
Location: NINNEKAH
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The report was relayed by the National Severe Storms Laboratory Hail Verification project.

Hail in GRADY, OKLAHOMA
From 01-JUN-07 17:02:00 to 01-JUN-07 17:02:00 (CST-6)
Location: NINNEKAH
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

The report was relayed by the National Severe Storms Laboratory Hail verification project.

Flash Flood in PAYNE, OKLAHOMA
From 01-JUN-07 17:40:00 to 01-JUN-07 17:40:00 (CST-6)
Location: STILLWATER
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Twenty-five to thirty roads were barricaded or closed. A few residences had to be evacuated by boat. Cars were stalled/flooded due to high water on a US-177 feeder road on the north side of town. Widespread street flooding was reported throughout Stillwater. The golf course was also reported under water. Monetary damages were estimated.

Thunderstorm Wind in CLEVELAND, OKLAHOMA
From 01-JUN-07 18:00:00 to 01-JUN-07 18:00:00 (CST-6)
Location: NOBLE
Magnitude: 61.00 EG
Property damage: 4.50K
Crop damage: 0.00K
Reported by: Storm Chaser

Several tree limbs that were at least six to eight inches in diameter downed. One shed was completely destroyed and blown across SE 48th. Tree damage was also reported from SE 48th to SE 72nd. Monetary damages were estimated.

Thunderstorm Wind in PAYNE, OKLAHOMA
From 01-JUN-07 16:00:00 to 01-JUN-07 16:00:00 (CST-6)
Location: STILLWATER
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree fell on a house and car near the Stillwater high school. Monetary damages were estimated.