With the help of an upper low, storms fired along the dryline in western Oklahoma on the 8th, with some of them becoming severe and producing flash flooding.

Hail in TILLMAN, OKLAHOMA
From 08-MAY-16 15:42:00 to 08-MAY-16 15:42:00 (CST-6)
Location: FREDERICK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in TILLMAN, OKLAHOMA
From 08-MAY-16 15:47:00 to 08-MAY-16 15:47:00 (CST-6)
Location: TIPTON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in WASHITA, OKLAHOMA
From 08-MAY-16 15:51:00 to 08-MAY-16 15:51:00 (CST-6)
Location: CANUTE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in KIOWA, OKLAHOMA
From 08-MAY-16 15:57:00 to 08-MAY-16 15:57:00 (CST-6)
Location: SNYDER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in KIOWA, OKLAHOMA
From 08-MAY-16 16:10:00 to 08-MAY-16 16:10:00 (CST-6)
Location: MOUNTAIN PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in KIOWA, OKLAHOMA
From 08-MAY-16 16:40:00 to 08-MAY-16 16:40:00 (CST-6)
Location: MOUNTAIN VIEW
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Relayed from mPing application.

Hail in DEWEY, OKLAHOMA
From 08-MAY-16 16:55:00 to 08-MAY-16 16:55:00 (CST-6)
Location: SEILING
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CADDO, OKLAHOMA
From 08-MAY-16 17:14:00 to 08-MAY-16 17:14:00 (CST-6)
Location: FT COBB
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in COMANCHE, OKLAHOMA
From 08-MAY-16 17:17:00 to 08-MAY-16 17:17:00 (CST-6)
Location: LAWTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in CADDO, OKLAHOMA
From 08-MAY-16 17:18:00 to 08-MAY-16 17:18:00 (CST-6)
Location: WASHITA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 08-MAY-16 16:30:00 to 08-MAY-16 16:30:00 (CST-6)
Location: INDIAHOMA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Winds estimated based on 2/3 inch branches being snapped.

Hail in TILLMAN, OKLAHOMA
From 08-MAY-16 17:28:00 to 08-MAY-16 17:28:00 (CST-6)
Location: HOLLISTER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 08-MAY-16 17:22:00 to 08-MAY-16 17:22:00 (CST-6)
Location: LAWTON
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 08-MAY-16 17:38:00 to 08-MAY-16 17:38:00 (CST-6)
Location: LAWTON
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A high tension utility pole was knocked over/snapped.

Hail in TILLMAN, OKLAHOMA
From 08-MAY-16 17:46:00 to 08-MAY-16 17:46:00 (CST-6)
Location: TIPTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 08-MAY-16 17:30:00 to 08-MAY-16 17:30:00 (CST-6)
Location: LAWTON
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 08-MAY-16 17:35:00 to 08-MAY-16 17:35:00 (CST-6)
Location: LAWTON
Magnitude: 60.00 MG
Property damage: 45.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A 15 inch tree branch was snapped and landed on the roof of a home. Two large trees were also uprooted. There were also a few power poles snapped.

Hail in CUSTER, OKLAHOMA
From 08-MAY-16 19:16:00 to 08-MAY-16 19:16:00 (CST-6)
Location: WEATHERFORD
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

This report was relayed from Twitter.

Thunderstorm Wind in POTTAWATOMIE, OKLAHOMA
From 08-MAY-16 19:35:00 to 08-MAY-16 19:35:00 (CST-6)
Location: SHAWNEE
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Hail in WOODS, OKLAHOMA
From 08-MAY-16 17:55:00 to 08-MAY-16 17:55:00 (CST-6)
Location: CAPRON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flash Flood in COMANCHE, OKLAHOMA
From 08-MAY-16 18:50:00 to 08-MAY-16 21:50:00 (CST-6)
Location: LAWTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Flooding resulted in impassable roads in the vicinity of 2nd street and the mall.

Flash Flood in COMANCHE, OKLAHOMA
From 08-MAY-16 19:17:00 to 08-MAY-16 22:17:00 (CST-6)
Location: LAWTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Lawton fire department closed Cache road a quarter mile east of NE 75th street due to flooding.

Hail in BLAINE, OKLAHOMA
From 08-MAY-16 19:45:00 to 08-MAY-16 19:45:00 (CST-6)
Location: WATONGA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

This report was relayed via Twitter.

Hail in CADDO, OKLAHOMA
From 08-MAY-16 17:19:00 to 08-MAY-16 17:19:00 (CST-6)
Location: FT COBB
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tornado in STEPHENS, OKLAHOMA
From 08-MAY-16 18:03:00 to 08-MAY-16 18:07:00 (CST-6)
Location: MARLOW
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous spotters and storm chasers observed a tornado near State Highway 7 to the southeast of the town of Central High. No significant damage was reported.

Flash Flood in COMANCHE, OKLAHOMA
From 08-MAY-16 17:25:00 to 08-MAY-16 19:30:00 (CST-6)
Location: LAWTON
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A storm chaser reported roads were becoming impassable. The broadcast media, KSWO-TV, also relayed a report of water rescues on the west side of Lawton. Many roads were reported impassable or closed.