On the afternoon of the 26th, a frontal boundary began to lift north out of Texas with surface low pressure developing on the front over southeastern Oklahoma. Severe thunderstorms developed within the moist and unstable air mass near and north of the frontal boundary, producing large hail up to golfball size and a brief tornado.

Hail in TULSA, OKLAHOMA
From 26-APR-11 16:32:00 to 26-APR-11 16:32:00 (CST-6)
Location: TULSA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in TULSA, OKLAHOMA
From 26-APR-11 16:36:00 to 26-APR-11 16:36:00 (CST-6)
Location: TULSA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 26-APR-11 16:37:00 to 26-APR-11 16:37:00 (CST-6)
Location: OAK LODGE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm wind gusts of up to 70 mph were estimated.

Hail in SEQUOYAH, OKLAHOMA
From 26-APR-11 16:43:00 to 26-APR-11 16:43:00 (CST-6)
Location: BRUSHY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CHOCTAW, OKLAHOMA
From 26-APR-11 16:45:00 to 26-APR-11 16:45:00 (CST-6)
Location: HUGO
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in TULSA, OKLAHOMA
From 26-APR-11 16:52:00 to 26-APR-11 16:52:00 (CST-6)
Location: TULSA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in TULSA, OKLAHOMA
From 26-APR-11 16:53:00 to 26-APR-11 16:53:00 (CST-6)
Location: OWASSO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MAYES, OKLAHOMA
From 26-APR-11 17:02:00 to 26-APR-11 17:02:00 (CST-6)
Location: SALINA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in MUSKOGEE, OKLAHOMA
From 26-APR-11 17:25:00 to 26-APR-11 17:25:00 (CST-6)
Location: FT GIBSON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ROGERS, OKLAHOMA
From 26-APR-11 17:33:00 to 26-APR-11 17:33:00 (CST-6)
Location: CATALE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CHEROKEE, OKLAHOMA
From 26-APR-11 17:36:00 to 26-APR-11 17:36:00 (CST-6)
Location: TAHLEQUAH
Magnitude: 1.75 
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in OTTAWA, OKLAHOMA
From 26-APR-11 17:45:00 to 26-APR-11 17:45:00 (CST-6)
Location: AFTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in OTTAWA, OKLAHOMA
From 26-APR-11 17:52:00 to 26-APR-11 17:52:00 (CST-6)
Location: FAIRLAND
Magnitude: 1.25 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Hail in CHEROKEE, OKLAHOMA
From 26-APR-11 17:58:00 to 26-APR-11 17:58:00 (CST-6)
Location: SCRAPER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tornado in SEQUOYAH, OKLAHOMA
From 26-APR-11 16:46:00 to 26-APR-11 16:46:00 (CST-6)
Location: MOFFETT
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A brief tornado developed over open country and was witnessed by several people. The tornado resulted in no known damage.

Hail in LATIMER, OKLAHOMA
From 26-APR-11 15:20:00 to 26-APR-11 15:20:00 (CST-6)
Location: YANUSH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PITTSBURG, OKLAHOMA
From 26-APR-11 15:40:00 to 26-APR-11 15:40:00 (CST-6)
Location: BLANCO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Hail in ADAIR, OKLAHOMA
From 26-APR-11 16:15:00 to 26-APR-11 16:15:00 (CST-6)
Location: BARON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in LATIMER, OKLAHOMA
From 26-APR-11 16:25:00 to 26-APR-11 16:25:00 (CST-6)
Location: PANOLA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Several large trees were uprooted by strong thunderstorm winds.

Hail in LATIMER, OKLAHOMA
From 26-APR-11 16:25:00 to 26-APR-11 16:25:00 (CST-6)
Location: YANUSH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LE FLORE, OKLAHOMA
From 26-APR-11 16:25:00 to 26-APR-11 16:25:00 (CST-6)
Location: COWLINGTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LATIMER, OKLAHOMA
From 26-APR-11 16:25:00 to 26-APR-11 16:25:00 (CST-6)
Location: PANOLA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in TULSA, OKLAHOMA
From 26-APR-11 16:28:00 to 26-APR-11 16:28:00 (CST-6)
Location: TULSA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SEQUOYAH, OKLAHOMA
From 26-APR-11 16:28:00 to 26-APR-11 16:28:00 (CST-6)
Location: MULDROW
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in PUSHMATAHA, OKLAHOMA
From 26-APR-11 16:30:00 to 26-APR-11 16:30:00 (CST-6)
Location: FINLEY
Magnitude: 1.25 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in LE FLORE, OKLAHOMA
From 26-APR-11 16:30:00 to 26-APR-11 16:30:00 (CST-6)
Location: SPIRO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several trees were blown down by strong thunderstorm wind.

Hail in SEQUOYAH, OKLAHOMA
From 26-APR-11 16:32:00 to 26-APR-11 16:32:00 (CST-6)
Location: MULDROW
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in LATIMER, OKLAHOMA
From 26-APR-11 16:32:00 to 26-APR-11 16:32:00 (CST-6)
Location: BENGAL
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public