Storms developed along a dryline over the Texas panhandle and moved into western Oklahoma, producing hail and wind reports on the evening of the 13th.

Hail in ROGER MILLS, OKLAHOMA
From 13-MAY-20 17:43:00 to 13-MAY-20 17:43:00 (CST-6)
Location: REYDON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BECKHAM, OKLAHOMA
From 13-MAY-20 17:50:00 to 13-MAY-20 17:50:00 (CST-6)
Location: SAYRE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BECKHAM, OKLAHOMA
From 13-MAY-20 17:53:00 to 13-MAY-20 17:53:00 (CST-6)
Location: SAYRE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Approximated location.

Thunderstorm Wind in HARMON, OKLAHOMA
From 13-MAY-20 18:02:00 to 13-MAY-20 18:02:00 (CST-6)
Location: HOLLIS
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BECKHAM, OKLAHOMA
From 13-MAY-20 18:08:00 to 13-MAY-20 18:08:00 (CST-6)
Location: SAYRE
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Time and location estimate from radar.

Hail in BECKHAM, OKLAHOMA
From 13-MAY-20 18:09:00 to 13-MAY-20 18:09:00 (CST-6)
Location: ELK CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorm Wind in HARMON, OKLAHOMA
From 13-MAY-20 18:10:00 to 13-MAY-20 18:10:00 (CST-6)
Location: VINSON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Estimated severe wind gust.

Thunderstorm Wind in HARMON, OKLAHOMA
From 13-MAY-20 18:10:00 to 13-MAY-20 18:10:00 (CST-6)
Location: VINSON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Estimated severe wind gust.

Thunderstorm Wind in HARMON, OKLAHOMA
From 13-MAY-20 18:12:00 to 13-MAY-20 18:12:00 (CST-6)
Location: VINSON
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Small tree limbs broken.

Hail in BECKHAM, OKLAHOMA
From 13-MAY-20 18:30:00 to 13-MAY-20 18:30:00 (CST-6)
Location: ERICK
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Time and location estimated from radar.

Thunderstorm Wind in GREER, OKLAHOMA
From 13-MAY-20 18:54:00 to 13-MAY-20 18:54:00 (CST-6)
Location: MANGUM
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Also pea sized hail reported.

Thunderstorm Wind in WASHITA, OKLAHOMA
From 13-MAY-20 19:15:00 to 13-MAY-20 19:15:00 (CST-6)
Location: BURNS FLAT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hail in ROGER MILLS, OKLAHOMA
From 13-MAY-20 19:42:00 to 13-MAY-20 19:42:00 (CST-6)
Location: STRONG CITY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ROGER MILLS, OKLAHOMA
From 13-MAY-20 20:00:00 to 13-MAY-20 20:00:00 (CST-6)
Location: ANGORA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in DEWEY, OKLAHOMA
From 13-MAY-20 20:28:00 to 13-MAY-20 20:28:00 (CST-6)
Location: LEEDEY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in COMANCHE, OKLAHOMA
From 13-MAY-20 21:52:00 to 13-MAY-20 21:52:00 (CST-6)
Location: MEERS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CLEVELAND, OKLAHOMA
From 13-MAY-20 22:54:00 to 13-MAY-20 22:54:00 (CST-6)
Location: MOORE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter