Severe thunderstorms developed during the afternoon of the 19th along a stationary front that extended across northern Oklahoma. The storms formed over north central Oklahoma and then moved through eastern Oklahoma producing two tornadoes, damaging wind gusts, and large hail up to golfball size.

Hail in OSAGE, OKLAHOMA
From 19-MAY-18 14:40:00 to 19-MAY-18 14:40:00 (CST-6)
Location: OKESA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in WASHINGTON, OKLAHOMA
From 19-MAY-18 17:38:00 to 19-MAY-18 17:38:00 (CST-6)
Location: BARTLESVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in WASHINGTON, OKLAHOMA
From 19-MAY-18 14:55:00 to 19-MAY-18 14:55:00 (CST-6)
Location: COPAN
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Oklahoma Mesonet station near Copan measured 60 mph thunderstorm wind gusts.

Thunderstorm Wind in PAWNEE, OKLAHOMA
From 19-MAY-18 13:43:00 to 19-MAY-18 13:43:00 (CST-6)
Location: RALSTON
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Strong thunderstorm wind snapped large tree limbs and blew shingles off of roofs.

Thunderstorm Wind in OSAGE, OKLAHOMA
From 19-MAY-18 13:46:00 to 19-MAY-18 13:46:00 (CST-6)
Location: FAIRFAX
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Strong thunderstorm wind damaged the metal roof of a building and snapped numerous large tree limbs.

Thunderstorm Wind in OSAGE, OKLAHOMA
From 19-MAY-18 13:48:00 to 19-MAY-18 13:48:00 (CST-6)
Location: FAIRFAX
Magnitude: 65.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Strong thunderstorm wind damaged the roofs of businesses, damaged the high school, and blew down trees and power lines.

Thunderstorm Wind in OSAGE, OKLAHOMA
From 19-MAY-18 13:49:00 to 19-MAY-18 13:49:00 (CST-6)
Location: BURBANK
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Oklahoma Mesonet station near Burbank measured 63 mph thunderstorm wind gusts.

Tornado in OSAGE, OKLAHOMA
From 19-MAY-18 13:59:00 to 19-MAY-18 14:01:00 (CST-6)
Location: LITTLE CHIEF
Tornado F-scale: EF0
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado was reported to the NWS by multiple storm chasers. It remained over open country for much of its lifecycle, but an NWS storm survey team found a barn that received some roof damage as well as trees that had large limbs snapped by this tornado. Based on this damage, maximum estimated wind in the tornado was 75 to 85 mph.

Tornado in OSAGE, OKLAHOMA
From 19-MAY-18 14:04:00 to 19-MAY-18 14:05:00 (CST-6)
Location: PAWHUSKA ARPT
Tornado F-scale: EF0
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado was reported to the NWS by multiple storm chasers. It remained over open country for much of its lifecycle, but an NWS storm survey team found a barn that had its roof blown off and some trees that had large limbs snapped by this tornado. Based on this damage, maximum estimated wind in the tornado was 75 to 85 mph.

Thunderstorm Wind in OSAGE, OKLAHOMA
From 19-MAY-18 14:16:00 to 19-MAY-18 14:16:00 (CST-6)
Location: PAWHUSKA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind snapped large tree limbs.

Thunderstorm Wind in OSAGE, OKLAHOMA
From 19-MAY-18 14:35:00 to 19-MAY-18 14:35:00 (CST-6)
Location: BIGHEART
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind was estimated to near 70 mph.

Thunderstorm Wind in WASHINGTON, OKLAHOMA
From 19-MAY-18 14:40:00 to 19-MAY-18 14:40:00 (CST-6)
Location: BARTLESVILLE
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind blew down billboards.

Hail in WASHINGTON, OKLAHOMA
From 19-MAY-18 14:40:00 to 19-MAY-18 14:40:00 (CST-6)
Location: BARTLESVILLE
Magnitude: 1.75 
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in WASHINGTON, OKLAHOMA
From 19-MAY-18 14:48:00 to 19-MAY-18 14:48:00 (CST-6)
Location: COPAN
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind blew the awnings off several campers.

Thunderstorm Wind in NOWATA, OKLAHOMA
From 19-MAY-18 15:17:00 to 19-MAY-18 15:17:00 (CST-6)
Location: LENAPAH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind snapped large tree limbs.

Thunderstorm Wind in CRAIG, OKLAHOMA
From 20-MAY-18 03:59:00 to 20-MAY-18 03:59:00 (CST-6)
Location: TODD
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind blew down several large trees, snapped large tree limbs, and damaged a home.