Storms formed out ahead of a cold front and dryline on the afternoon of the 10th. Overnight a low level jet formed and storms began to congeal into a line headed eastward. This system left behind a few outflow boundaries which helped scattered storms to form on the 11th before the front finally surged out of the area.

Thunderstorm Wind in STEPHENS, OKLAHOMA
From 10-APR-16 22:45:00 to 10-APR-16 22:45:00 (CST-6)
Location: DUNCAN
Magnitude: 61.00 EG
Property damage: 2.00K
Reported by: Public

Power lines downed along with numerous tree limbs and a blown over fence. Power outages were also reported in Duncan.

Thunderstorm Wind in KIOWA, OKLAHOMA
From 10-APR-16 17:32:00 to 10-APR-16 17:32:00 (CST-6)
Location: (HBR)HOBART AIRPORT
Magnitude: 52.00 MG
Reported by: ASOS

No damage was reported.

Hail in COTTON, OKLAHOMA
From 10-APR-16 19:00:00 to 10-APR-16 19:00:00 (CST-6)
Location: WALTERS ARPT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in LOGAN, OKLAHOMA
From 10-APR-16 19:15:00 to 10-APR-16 19:15:00 (CST-6)
Location: SEWARD
Magnitude: 52.00 MG
Reported by: Mesonet

No damage was reported.

Thunderstorm Wind in KAY, OKLAHOMA
From 10-APR-16 19:55:00 to 10-APR-16 19:55:00 (CST-6)
Location: BLACKWELL
Magnitude: 52.00 MG
Reported by: ASOS

No damage was reported.

Hail in GREER, OKLAHOMA
From 10-APR-16 20:20:00 to 10-APR-16 20:20:00 (CST-6)
Location: REED
Magnitude: 2.00 
Reported by: Trained Spotter

No damage was reported.

Thunderstorm Wind in KAY, OKLAHOMA
From 10-APR-16 20:25:00 to 10-APR-16 20:25:00 (CST-6)
Location: HARDY
Magnitude: 65.00 MG
Reported by: Mesonet

No damage was reported.

Thunderstorm Wind in TILLMAN, OKLAHOMA
From 10-APR-16 21:25:00 to 10-APR-16 21:25:00 (CST-6)
Location: TIPTON ARPT
Magnitude: 58.00 MG
Reported by: Mesonet

No damage was reported.

Hail in COTTON, OKLAHOMA
From 10-APR-16 20:29:00 to 10-APR-16 20:29:00 (CST-6)
Location: RANDLETT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in JACKSON, OKLAHOMA
From 10-APR-16 20:50:00 to 10-APR-16 20:50:00 (CST-6)
Location: ELDORADO
Magnitude: 1.75 
Reported by: Emergency Manager

Hail in CADDO, OKLAHOMA
From 10-APR-16 21:05:00 to 10-APR-16 21:05:00 (CST-6)
Location: BOONE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in COTTON, OKLAHOMA
From 10-APR-16 21:05:00 to 10-APR-16 21:05:00 (CST-6)
Location: TEMPLE
Magnitude: 2.00 
Reported by: Storm Chaser

Report relayed by mping.

Hail in COMANCHE, OKLAHOMA
From 10-APR-16 22:01:00 to 10-APR-16 22:01:00 (CST-6)
Location: LAKE ELLSWORTH DAM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 10-APR-16 22:05:00 to 10-APR-16 22:05:00 (CST-6)
Location: (FSI)FORT SILL
Magnitude: 56.00 EG
Reported by: Amateur Radio

No damage was reported.

Hail in CADDO, OKLAHOMA
From 10-APR-16 22:11:00 to 10-APR-16 22:11:00 (CST-6)
Location: CYRIL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 10-APR-16 22:15:00 to 10-APR-16 22:15:00 (CST-6)
Location: GERONIMO
Magnitude: 78.00 EG
Property damage: 10.00K
Reported by: Storm Chaser

Storm chaser reported power lines were down in Geronimo and sheet metal debris on the side of the road. Large trees and fencing were blown down and a travel trailer was blown over.

Thunderstorm Wind in GRADY, OKLAHOMA
From 10-APR-16 22:28:00 to 10-APR-16 22:28:00 (CST-6)
Location: AGAWAM
Magnitude: 61.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Medium sized metal constructed shed destroyed on highway 81 north of Agawam. Relayed from twitter.

Thunderstorm Wind in CADDO, OKLAHOMA
From 10-APR-16 22:33:00 to 10-APR-16 22:33:00 (CST-6)
Location: CYRIL
Magnitude: 55.00 EG
Reported by: Amateur Radio

No damage reported.

Thunderstorm Wind in STEPHENS, OKLAHOMA
From 10-APR-16 22:39:00 to 10-APR-16 22:39:00 (CST-6)
Location: DUNCAN
Magnitude: 52.00 EG
Reported by: Amateur Radio

No damage reported.

Thunderstorm Wind in STEPHENS, OKLAHOMA
From 10-APR-16 22:46:00 to 10-APR-16 22:46:00 (CST-6)
Location: DUNCAN
Magnitude: 61.00 EG
Reported by: Amateur Radio

No damage reported.

Hail in STEPHENS, OKLAHOMA
From 10-APR-16 22:51:00 to 10-APR-16 22:51:00 (CST-6)
Location: DUNCAN
Magnitude: 1.12 
Reported by: Amateur Radio

Thunderstorm Wind in TILLMAN, OKLAHOMA
From 10-APR-16 21:40:00 to 10-APR-16 21:40:00 (CST-6)
Location: FREDERICK
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees were downed in Frederick. Eight power poles reported down, with one of them falling on a residence. A playground and a metal shed were blown over.

Thunderstorm Wind in SEMINOLE, OKLAHOMA
From 10-APR-16 23:55:00 to 10-APR-16 23:55:00 (CST-6)
Location: LIMA
Magnitude: 50.00 MG
Reported by: Mesonet

No damage reported.

Thunderstorm Wind in LINCOLN, OKLAHOMA
From 11-APR-16 00:15:00 to 11-APR-16 00:15:00 (CST-6)
Location: SPARKS
Magnitude: 56.00 MG
Reported by: Mesonet

No damage reported.

Hail in JOHNSTON, OKLAHOMA
From 11-APR-16 12:15:00 to 11-APR-16 12:15:00 (CST-6)
Location: MANNSVILLE
Magnitude: 1.75 
Reported by: Public

Hail in MARSHALL, OKLAHOMA
From 11-APR-16 12:15:00 to 11-APR-16 12:15:00 (CST-6)
Location: OAKLAND
Magnitude: 1.25 
Reported by: Public

Hail was covering the ground.

Hail in JOHNSTON, OKLAHOMA
From 11-APR-16 12:29:00 to 11-APR-16 12:29:00 (CST-6)
Location: TISHOMINGO
Magnitude: 1.75 
Reported by: Emergency Manager

Hail in ATOKA, OKLAHOMA
From 11-APR-16 13:05:00 to 11-APR-16 13:05:00 (CST-6)
Location: ATOKA
Magnitude: 2.75 
Reported by: Law Enforcement

Hail in MARSHALL, OKLAHOMA
From 11-APR-16 13:11:00 to 11-APR-16 13:11:00 (CST-6)
Location: WILLIS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in CLEVELAND, OKLAHOMA
From 11-APR-16 16:13:00 to 11-APR-16 16:13:00 (CST-6)
Location: NOBLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in CLEVELAND, OKLAHOMA
From 11-APR-16 16:17:00 to 11-APR-16 16:17:00 (CST-6)
Location: NOBLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in CLEVELAND, OKLAHOMA
From 11-APR-16 16:19:00 to 11-APR-16 16:19:00 (CST-6)
Location: NOBLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm Wind in JACKSON, OKLAHOMA
From 10-APR-16 21:00:00 to 10-APR-16 21:00:00 (CST-6)
Location: WARREN
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A metal shed was blown down and a few power poles were downed.

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 10-APR-16 21:55:00 to 10-APR-16 21:55:00 (CST-6)
Location: CACHE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A garage door was blown out.

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 10-APR-16 22:00:00 to 10-APR-16 22:00:00 (CST-6)
Location: FAXON
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Winds caused fence and tree damage.

Thunderstorm Wind in COTTON, OKLAHOMA
From 10-APR-16 22:25:00 to 10-APR-16 22:25:00 (CST-6)
Location: HULEN
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Winds caused damage to a mobile home, collapsing the front porch.

Hail in TILLMAN, OKLAHOMA
From 10-APR-16 17:19:00 to 10-APR-16 17:19:00 (CST-6)
Location: DAVIDSON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail fell for over four minutes.

Hail in CARTER, OKLAHOMA
From 11-APR-16 05:30:00 to 11-APR-16 05:30:00 (CST-6)
Location: ARDMORE
Magnitude: 1.25 
Reported by: Public

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