A closed upper low, a cold front, and a dryline combined to produce numerous thunderstorms with severe weather on the 17th.

Hail in OKLAHOMA, OKLAHOMA
From 17-APR-19 21:25:00 to 17-APR-19 21:25:00 (CST-6)
Location: BETHANY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OKLAHOMA, OKLAHOMA
From 17-APR-19 21:40:00 to 17-APR-19 21:40:00 (CST-6)
Location: OKLAHOMA CITY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Twitter post.

Hail in OKLAHOMA, OKLAHOMA
From 17-APR-19 21:45:00 to 17-APR-19 21:45:00 (CST-6)
Location: OKLAHOMA CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in OKLAHOMA, OKLAHOMA
From 17-APR-19 21:49:00 to 17-APR-19 21:49:00 (CST-6)
Location: OKLAHOMA CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Twitter picture.

Thunderstorm Wind in ROGER MILLS, OKLAHOMA
From 17-APR-19 15:13:00 to 17-APR-19 15:13:00 (CST-6)
Location: SWEETWATER
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Pea size hail measured as well.

Hail in ROGER MILLS, OKLAHOMA
From 17-APR-19 15:45:00 to 17-APR-19 15:45:00 (CST-6)
Location: DEMPSEY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in ROGER MILLS, OKLAHOMA
From 17-APR-19 16:11:00 to 17-APR-19 16:11:00 (CST-6)
Location: STRONG CITY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in BECKHAM, OKLAHOMA
From 17-APR-19 16:40:00 to 17-APR-19 16:40:00 (CST-6)
Location: TEXOLA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in HARPER, OKLAHOMA
From 17-APR-19 16:40:00 to 17-APR-19 16:40:00 (CST-6)
Location: SELMAN
Magnitude: 3.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Time is radar estimated.

Hail in BECKHAM, OKLAHOMA
From 17-APR-19 16:44:00 to 17-APR-19 16:44:00 (CST-6)
Location: TEXOLA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in ROGER MILLS, OKLAHOMA
From 17-APR-19 16:55:00 to 17-APR-19 16:55:00 (CST-6)
Location: HAMMON
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CUSTER, OKLAHOMA
From 17-APR-19 17:30:00 to 17-APR-19 17:30:00 (CST-6)
Location: BUTLER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Flash Flood in HARPER, OKLAHOMA
From 17-APR-19 18:00:00 to 17-APR-19 18:00:00 (CST-6)
Location: SELMAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

N1980 road was impassable for about an hour due to water over roadway.

Hail in JEFFERSON, OKLAHOMA
From 17-APR-19 19:00:00 to 17-APR-19 19:00:00 (CST-6)
Location: RINGLING
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Golf ball and ping pong sized hail reported.

Hail in LOVE, OKLAHOMA
From 17-APR-19 19:50:00 to 17-APR-19 19:50:00 (CST-6)
Location: THACKERVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Time radar estimated.

Thunderstorm Wind in GRANT, OKLAHOMA
From 17-APR-19 19:50:00 to 17-APR-19 19:50:00 (CST-6)
Location: POND CREEK
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Reports of tree damage and major roof damages to businesses and homes. Some uprooted trees as well.

Thunderstorm Wind in GRANT, OKLAHOMA
From 17-APR-19 19:50:00 to 17-APR-19 19:50:00 (CST-6)
Location: POND CREEK
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Report of power out in Pond Creek.

Thunderstorm Wind in GRANT, OKLAHOMA
From 17-APR-19 20:01:00 to 17-APR-19 20:01:00 (CST-6)
Location: LAMONT
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple reports of tree damage in Lamont. Tree fell on car.

Thunderstorm Wind in KAY, OKLAHOMA
From 17-APR-19 20:20:00 to 17-APR-19 20:20:00 (CST-6)
Location: BLACKWELL
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Semi truck was blown over on I-35 near blackwell.

Thunderstorm Wind in KAY, OKLAHOMA
From 17-APR-19 20:26:00 to 17-APR-19 20:26:00 (CST-6)
Location: BRAMAN
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Two semi trucks blown over on I-35. One near Braman and another at Stateline weigh station.

Thunderstorm Wind in NOBLE, OKLAHOMA
From 17-APR-19 20:26:00 to 17-APR-19 20:26:00 (CST-6)
Location: PERRY
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Estimated 65 mph gusts.

Thunderstorm Wind in KAY, OKLAHOMA
From 17-APR-19 20:30:00 to 17-APR-19 20:30:00 (CST-6)
Location: BLACKWELL
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in NOBLE, OKLAHOMA
From 17-APR-19 20:40:00 to 17-APR-19 20:40:00 (CST-6)
Location: SUMNER
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in PAYNE, OKLAHOMA
From 17-APR-19 20:51:00 to 17-APR-19 20:51:00 (CST-6)
Location: PERKINS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CANADIAN, OKLAHOMA
From 17-APR-19 21:00:00 to 17-APR-19 21:00:00 (CST-6)
Location: YUKON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in KAY, OKLAHOMA
From 17-APR-19 21:00:00 to 17-APR-19 21:00:00 (CST-6)
Location: NEWKIRK
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in CANADIAN, OKLAHOMA
From 17-APR-19 21:10:00 to 17-APR-19 21:10:00 (CST-6)
Location: PIEDMONT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in OKLAHOMA, OKLAHOMA
From 17-APR-19 21:12:00 to 17-APR-19 21:12:00 (CST-6)
Location: WARR ACRES
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in OKLAHOMA, OKLAHOMA
From 17-APR-19 21:12:00 to 17-APR-19 21:12:00 (CST-6)
Location: (PWA)WILEY POST APT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CANADIAN, OKLAHOMA
From 17-APR-19 21:15:00 to 17-APR-19 21:15:00 (CST-6)
Location: MUSTANG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tornado in ELLIS, OKLAHOMA
From 17-APR-19 15:47:00 to 17-APR-19 15:53:00 (CST-6)
Location: SHATTUCK
Tornado F-scale: EF1
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

This tornado was observed by many spotters and chasers, and was one of two tornadoes observed north and northwest of Shattuck. This tornado touched down about 4.5 miles northwest of Shattuck and moved northwest. Two mobile homes were damaged, including one that suffered significant loss of roof. This tornado also damaged trees and an outbuilding.

Tornado in ELLIS, OKLAHOMA
From 17-APR-19 15:49:00 to 17-APR-19 16:03:00 (CST-6)
Location: SHATTUCK
Tornado F-scale: EF0
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A second tornado touched down north of Shattuck and was one of two simultaneous tornadoes observed for a time. The tornado produced only some minor tree damage near US-283 and E45 Road.