A squall line moved through eastern Oklahoma during the morning hours of May 18th. Very strong low level wind shear and moderately strong instability ahead of the squall line resulted in the development of several tornadoes, as well as damaging wind and large hail up to quarter size, as the line of thunderstorms moved across the area.

Thunderstorm Wind in ADAIR, OKLAHOMA
From 18-MAY-19 12:30:00 to 18-MAY-19 12:30:00 (CST-6)
Location: STILWELL
Magnitude: 65.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind uprooted several trees and destroyed a large barn.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 18-MAY-19 12:35:00 to 18-MAY-19 12:35:00 (CST-6)
Location: POTEAU
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind uprooted a tree, which fell onto a vehicle.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 18-MAY-19 12:53:00 to 18-MAY-19 12:53:00 (CST-6)
Location: BRADEN
Magnitude: 68.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind gusts to 78 mph were measured at the Pocola race track.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 18-MAY-19 12:54:00 to 18-MAY-19 12:55:00 (CST-6)
Location: BASHE
Magnitude: 75.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Strong thunderstorm wind damaged the roofs of homes and uprooted trees.

Tornado in ROGERS, OKLAHOMA
From 18-MAY-19 10:58:00 to 18-MAY-19 11:00:00 (CST-6)
Location: TIAWAH
Tornado F-scale: EF0
Property damage: 25.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This is the first segment of a two-segment tornado. This tornado developed south of Highway 20, about a mile west of the Rogers/Mayes County line. It moved northeast damaging homes, damaging outbuildings, and snapping large tree limbs from Highway 20 to the county line. Based on this damage, maximum estimated wind in this segment of the tornado was 80 to 85 mph. The tornado continued into Mayes County.

Tornado in MAYES, OKLAHOMA
From 18-MAY-19 11:00:00 to 18-MAY-19 11:11:00 (CST-6)
Location: PRYOR
Tornado F-scale: EF1
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This is the second segment of a two-segment tornado. In Mayes County, this tornado snapped and uprooted trees, damaged outbuildings, and snapped power poles as it moved northeast from the Rogers/Mayes County line south of the W 480 Road to northeast of the intersection of the W 430 Road and N 431 Road where it dissipated. Based on this damage, maximum estimated wind in this segment of the tornado was 90 to 100 mph.

Tornado in MAYES, OKLAHOMA
From 18-MAY-19 11:32:00 to 18-MAY-19 11:35:00 (CST-6)
Location: LANGLEY
Tornado F-scale: EF0
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

This tornado snapped large tree limbs and blew down a few power poles. Based on this damage, maximum estimated wind in the tornado was 75 to 80 mph.

Tornado in HASKELL, OKLAHOMA
From 18-MAY-19 12:13:00 to 18-MAY-19 12:15:00 (CST-6)
Location: MC CURTAIN
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

This tornado uprooted trees and snapped large tree limbs. It was observed and photographed by a fireman and trained storm spotter. Based on this damage, maximum estimated wind in the tornado was 85 to 95 mph.

Hail in OKMULGEE, OKLAHOMA
From 18-MAY-19 10:14:00 to 18-MAY-19 10:14:00 (CST-6)
Location: HECTOR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in OKMULGEE, OKLAHOMA
From 18-MAY-19 10:17:00 to 18-MAY-19 10:17:00 (CST-6)
Location: MORRIS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in ROGERS, OKLAHOMA
From 18-MAY-19 10:47:00 to 18-MAY-19 10:47:00 (CST-6)
Location: INOLA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind blew down a tree onto the S 4210 Road, about a half mile north of the E 640 Road.

Thunderstorm Wind in DELAWARE, OKLAHOMA
From 18-MAY-19 12:19:00 to 18-MAY-19 12:19:00 (CST-6)
Location: KANSAS
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong thunderstorm wind blew down several trees.

Tornado in LE FLORE, OKLAHOMA
From 18-MAY-19 12:55:00 to 18-MAY-19 12:56:00 (CST-6)
Location: ARKOMA
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This is the first segment of a two-segment tornado. This tornado developed on the south side of Arkoma, where large tree limbs were snapped and the roofs of homes were damaged. The tornado quickly moved into Sebastian County, Arkansas. Based on the damage in Arkoma, maximum estimated wind in this segment of the tornado was 75 to 85 mph.

Thunderstorm Wind in TULSA, OKLAHOMA
From 18-MAY-19 10:02:00 to 18-MAY-19 10:02:00 (CST-6)
Location: GLENPOOL
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Strong thunderstorm wind snapped large tree limbs.

Thunderstorm Wind in MAYES, OKLAHOMA
From 18-MAY-19 11:07:00 to 18-MAY-19 11:07:00 (CST-6)
Location: GREEN
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Strong thunderstorm wind snapped large tree limbs.

Thunderstorm Wind in MAYES, OKLAHOMA
From 18-MAY-19 11:34:00 to 18-MAY-19 11:34:00 (CST-6)
Location: LANGLEY ARPT
Magnitude: 65.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Strong thunderstorm wind snapped large tree limbs and blew down power lines.

Thunderstorm Wind in PITTSBURG, OKLAHOMA
From 18-MAY-19 10:55:00 to 18-MAY-19 10:57:00 (CST-6)
Location: MC ALESTER
Magnitude: 75.00 EG
Property damage: 70.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Strong thunderstorm wind damaged homes and businesses, blew down trees, and snapped power poles.

Tornado in TULSA, OKLAHOMA
From 18-MAY-19 10:03:00 to 18-MAY-19 10:08:00 (CST-6)
Location: GLENPOOL
Tornado F-scale: EF0
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado developed just southwest of the intersection of E 161st St S and S Harvard Avenue, where an outbuilding was damaged and large tree limbs were snapped. The tornado moved northeast snapping large tree limbs on the south side of Whitehawk Golf Club, as well as in the neighborhoods east of the golf course. It dissipated before crossing Highway 64. Based on this damage, maximum estimated wind in the tornado was 75 to 80 mph.

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 18-MAY-19 12:42:00 to 18-MAY-19 12:42:00 (CST-6)
Location: SPIRO
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

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