A strong surface low developed over the Texas and Oklahoma panhandles. During the afternoon, a weak wave of low pressure aloft acted to drive a warm front southward as a cold front. Scattered supercells developed along the front, traveling from northwest Oklahoma southeastward into portions of central and south central Oklahoma. Very large hail and significant wind damage accompanied the storms, which lingered well into the overnight hours.

Flash Flood in GRADY, OKLAHOMA
From 26-APR-13 21:26:00 to 26-APR-13 23:26:00 (CST-6)
Location: CHICKASHA ARPT
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Reports of sporadic flooding in town. No major damage reported.

Hail in ELLIS, OKLAHOMA
From 26-APR-13 16:22:00 to 26-APR-13 16:22:00 (CST-6)
Location: ARNETT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in BECKHAM, OKLAHOMA
From 26-APR-13 17:49:00 to 26-APR-13 17:49:00 (CST-6)
Location: NEW LIBERTY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

No damage was reported.

Hail in BLAINE, OKLAHOMA
From 26-APR-13 18:43:00 to 26-APR-13 18:43:00 (CST-6)
Location: GREENFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CANADIAN, OKLAHOMA
From 26-APR-13 19:15:00 to 26-APR-13 19:15:00 (CST-6)
Location: CONCHO
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

No damage reported.

Hail in WASHITA, OKLAHOMA
From 26-APR-13 19:19:00 to 26-APR-13 19:19:00 (CST-6)
Location: CLOUD CHIEF
Magnitude: 2.00 
Reported by: Trained Spotter

No damage was reported.

Hail in WASHITA, OKLAHOMA
From 26-APR-13 19:32:00 to 26-APR-13 19:32:00 (CST-6)
Location: COWDEN
Magnitude: 1.75 
Reported by: Trained Spotter

No damage was reported.

Hail in CANADIAN, OKLAHOMA
From 26-APR-13 19:34:00 to 26-APR-13 19:34:00 (CST-6)
Location: PIEDMONT
Magnitude: 1.25 
Reported by: Public

No damage was reported.

Hail in CADDO, OKLAHOMA
From 26-APR-13 19:38:00 to 26-APR-13 19:38:00 (CST-6)
Location: ALFALFA
Magnitude: 2.00 
Reported by: NWS Employee

No damage was reported.

Hail in OKLAHOMA, OKLAHOMA
From 26-APR-13 19:37:00 to 26-APR-13 19:37:00 (CST-6)
Location: (PWA)WILEY POST APT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OKLAHOMA, OKLAHOMA
From 26-APR-13 19:40:00 to 26-APR-13 19:50:00 (CST-6)
Location: EDMOND
Magnitude: 2.50 
Property damage: 400.00K
Crop damage: 0.00K
Reported by: Public

Hail ranged in size from ping pong balls to baseballs. Hundreds of vehicles lost windshields and homes had substantial roof damage. Damages estimated.

Hail in CADDO, OKLAHOMA
From 26-APR-13 19:41:00 to 26-APR-13 19:41:00 (CST-6)
Location: ALFALFA
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in OKLAHOMA, OKLAHOMA
From 26-APR-13 19:42:00 to 26-APR-13 19:52:00 (CST-6)
Location: (PWA)WILEY POST APT
Magnitude: 2.00 
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail ranged in size from ping pong ball to 2 inches in diameter. Widespread hail damage to homes and vehicles occurred. Damages estimated.

Hail in CADDO, OKLAHOMA
From 26-APR-13 19:48:00 to 26-APR-13 19:48:00 (CST-6)
Location: ALFALFA
Magnitude: 1.75 
Reported by: Trained Spotter

No damage was reported.

Hail in OKLAHOMA, OKLAHOMA
From 26-APR-13 19:48:00 to 26-APR-13 19:53:00 (CST-6)
Location: EDMOND
Magnitude: 1.75 
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail ranged in size from ping pong balls to golf balls. Minor damage to cars and homes was also reported. Damages estimated.

Hail in CADDO, OKLAHOMA
From 26-APR-13 19:57:00 to 26-APR-13 19:57:00 (CST-6)
Location: HINTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in OKLAHOMA, OKLAHOMA
From 26-APR-13 20:14:00 to 26-APR-13 20:20:00 (CST-6)
Location: CHOCTAW
Magnitude: 1.75 
Property damage: 200.00K
Reported by: Trained Spotter

Hail ranged in size from quarter to golf ball size. Numerous homes and vehicles damaged by hail and high winds. Damage estimated.

Hail in CADDO, OKLAHOMA
From 26-APR-13 20:20:00 to 26-APR-13 20:20:00 (CST-6)
Location: ANADARKO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in CADDO, OKLAHOMA
From 26-APR-13 20:30:00 to 26-APR-13 20:30:00 (CST-6)
Location: ANADARKO
Magnitude: 1.75 
Property damage: 20.00K
Crop damage: 0.00K
Reported by: COOP Observer

Some damage occurred to a few vehicles east of Anadarko.

Hail in LINCOLN, OKLAHOMA
From 26-APR-13 20:38:00 to 26-APR-13 20:38:00 (CST-6)
Location: JACKTOWN
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CANADIAN, OKLAHOMA
From 26-APR-13 20:44:00 to 26-APR-13 20:44:00 (CST-6)
Location: MUSTANG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRADY, OKLAHOMA
From 26-APR-13 20:41:00 to 26-APR-13 20:45:00 (CST-6)
Location: CHICKASHA ARPT
Magnitude: 1.25 
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Hail ranged from quarter to half dollar size, causing minor damage to vehicles.

Hail in CANADIAN, OKLAHOMA
From 26-APR-13 20:50:00 to 26-APR-13 20:50:00 (CST-6)
Location: MUSTANG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINCOLN, OKLAHOMA
From 26-APR-13 21:01:00 to 26-APR-13 21:06:00 (CST-6)
Location: PRAGUE
Magnitude: 1.75 
Property damage: 55.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The hail fell for several minutes, causing sporadic damage to vehicles and homes. Damages estimated.

Hail in CLEVELAND, OKLAHOMA
From 26-APR-13 21:17:00 to 26-APR-13 21:17:00 (CST-6)
Location: STANLEY DRAPER LAKE DAM
Magnitude: 1.25 
Reported by: Trained Spotter

No damage information available.

Thunderstorm Wind in CANADIAN, OKLAHOMA
From 26-APR-13 19:15:00 to 26-APR-13 19:15:00 (CST-6)
Location: CONCHO
Magnitude: 52.00 EG
Reported by: Public

Winds estimated in the 55 to 60 mph range. No damage was reported.

Thunderstorm Wind in DEWEY, OKLAHOMA
From 26-APR-13 17:05:00 to 26-APR-13 17:05:00 (CST-6)
Location: CAMARGO
Magnitude: 56.00 MG
Reported by: Mesonet

No damage was reported.

Thunderstorm Wind in CANADIAN, OKLAHOMA
From 26-APR-13 19:18:00 to 26-APR-13 19:18:00 (CST-6)
Location: CONCHO
Magnitude: 52.00 MG
Reported by: Trained Spotter

Quarter to half dollar sized hail also fell in addition to the winds. No major damage was reported.

Thunderstorm Wind in CADDO, OKLAHOMA
From 26-APR-13 20:32:00 to 26-APR-13 20:32:00 (CST-6)
Location: CYRIL
Magnitude: 53.00 MG
Reported by: Public

No damage was reported.

Thunderstorm Wind in LINCOLN, OKLAHOMA
From 26-APR-13 21:04:00 to 26-APR-13 21:04:00 (CST-6)
Location: MEEKER
Magnitude: 52.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

In addition to the severe winds, ping pong ball sized hail fell. This caused damage to several homes with windows broken out.

Hail in GARVIN, OKLAHOMA
From 26-APR-13 22:42:00 to 26-APR-13 22:42:00 (CST-6)
Location: MAYSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GARVIN, OKLAHOMA
From 26-APR-13 22:48:00 to 26-APR-13 22:48:00 (CST-6)
Location: STRATFORD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in GARVIN, OKLAHOMA
From 26-APR-13 23:30:00 to 26-APR-13 23:30:00 (CST-6)
Location: STRATFORD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in PONTOTOC, OKLAHOMA
From 26-APR-13 23:40:00 to 26-APR-13 23:40:00 (CST-6)
Location: ROFF
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in DEWEY, OKLAHOMA
From 26-APR-13 17:40:00 to 26-APR-13 17:40:00 (CST-6)
Location: PUTNAM
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

No damage was reported.

Thunderstorm Wind in CUSTER, OKLAHOMA
From 26-APR-13 18:10:00 to 26-APR-13 18:10:00 (CST-6)
Location: CUSTER CITY
Magnitude: 52.00 EG
Reported by: Public

Nickel sized hail also fell with the winds. No damage was reported.

Hail in PONTOTOC, OKLAHOMA
From 26-APR-13 22:56:00 to 26-APR-13 22:56:00 (CST-6)
Location: ADA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tornado in DEWEY, OKLAHOMA
From 26-APR-13 17:31:00 to 26-APR-13 17:33:00 (CST-6)
Location: PUTNAM
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A very brief tornado was observed by a storm chaser over open country. No damage occurred.

Thunderstorm Wind in CANADIAN, OKLAHOMA
From 26-APR-13 19:45:00 to 26-APR-13 19:45:00 (CST-6)
Location: PIEDMONT
Magnitude: 52.00 EG
Reported by: Trained Spotter

Wind speeds estimated. No damage was reported.

Thunderstorm Wind in CADDO, OKLAHOMA
From 26-APR-13 20:15:00 to 26-APR-13 20:25:00 (CST-6)
Location: ANADARKO
Magnitude: 70.00 EG
Property damage: 250.00K
Reported by: NWS Storm Survey

A storm survey team verified that rear flank downdraft winds of 70 to 80 mph occurred. These winds caused significant structural damage in Anadarko. Two homes and a church had substantial roof damage with partial roof removal. Multiple power poles, power lines, and trees were downed. Other sporadic damage was noted in central and eastern Anadarko. Damages estimated.

Thunderstorm Wind in GARVIN, OKLAHOMA
From 26-APR-13 22:15:00 to 26-APR-13 22:15:00 (CST-6)
Location: STRATFORD
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several large tree limbs were blown down.

Thunderstorm Wind in GARVIN, OKLAHOMA
From 26-APR-13 22:45:00 to 26-APR-13 22:45:00 (CST-6)
Location: STRATFORD
Magnitude: 56.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Power lines downed along highway 19. One nine inch tree limb blown down.

Hail in CADDO, OKLAHOMA
From 26-APR-13 20:05:00 to 26-APR-13 20:05:00 (CST-6)
Location: FT COBB
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in GARVIN, OKLAHOMA
From 26-APR-13 23:00:00 to 26-APR-13 23:05:00 (CST-6)
Location: PAULS VALLEY
Magnitude: 1.75 
Property damage: 70.00K
Crop damage: 0.00K
Reported by: Public

Hail ranged from ping pong ball to golf ball size. Damage to multiple vehicles and homes in and around the Pauls Valley area. Damages estimated.

Hail in DEWEY, OKLAHOMA
From 26-APR-13 18:09:00 to 26-APR-13 18:09:00 (CST-6)
Location: OAKWOOD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CADDO, OKLAHOMA
From 26-APR-13 19:38:00 to 26-APR-13 19:38:00 (CST-6)
Location: ALFALFA
Magnitude: 1.94 
Reported by: NWS Employee

No damage was reported.