Thunderstorms developed ahead of a dry line, and then ahead of a cold front by late afternoon. Very large hail up to baseball size was reported at several locations. Later in the evening, the low-level jet developed, increasing wind shear and making the environment more conducive for tornadoes. Low-level rotation became more common with the thunderstorms, with a couple of storms over north central Oklahoma producing tornadoes. Damage was reported in the northern Enid and Hillsdale areas, but no significant injuries were reported. The storms moved northeast into Kansas after midnight.

Hail in CUSTER, OKLAHOMA
From 25-APR-09 17:25:00 to 25-APR-09 17:25:00 (CST-6)
Location: BUTLER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GRANT, OKLAHOMA
From 25-APR-09 17:30:00 to 25-APR-09 17:30:00 (CST-6)
Location: JEFFERSON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GREER, OKLAHOMA
From 25-APR-09 17:38:00 to 25-APR-09 17:38:00 (CST-6)
Location: MANGUM
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in GREER, OKLAHOMA
From 25-APR-09 17:40:00 to 25-APR-09 17:40:00 (CST-6)
Location: MANGUM
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in GREER, OKLAHOMA
From 25-APR-09 17:07:00 to 25-APR-09 17:07:00 (CST-6)
Location: MANGUM
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in CUSTER, OKLAHOMA
From 25-APR-09 17:11:00 to 25-APR-09 17:11:00 (CST-6)
Location: BUTLER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHITA, OKLAHOMA
From 25-APR-09 17:13:00 to 25-APR-09 17:13:00 (CST-6)
Location: FOSS
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in CUSTER, OKLAHOMA
From 25-APR-09 17:13:00 to 25-APR-09 17:13:00 (CST-6)
Location: BUTLER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CUSTER, OKLAHOMA
From 25-APR-09 17:15:00 to 25-APR-09 17:15:00 (CST-6)
Location: FOSS RES DAM
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CUSTER, OKLAHOMA
From 25-APR-09 17:20:00 to 25-APR-09 17:20:00 (CST-6)
Location: STAFFORD
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CUSTER, OKLAHOMA
From 25-APR-09 17:21:00 to 25-APR-09 17:21:00 (CST-6)
Location: BUTLER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GREER, OKLAHOMA
From 25-APR-09 17:48:00 to 25-APR-09 17:48:00 (CST-6)
Location: MANGUM
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GRANT, OKLAHOMA
From 25-APR-09 17:55:00 to 25-APR-09 17:55:00 (CST-6)
Location: POND CREEK
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in GRANT, OKLAHOMA
From 25-APR-09 17:55:00 to 25-APR-09 17:55:00 (CST-6)
Location: JEFFERSON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in HARMON, OKLAHOMA
From 25-APR-09 18:09:00 to 25-APR-09 18:09:00 (CST-6)
Location: MADGE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WASHITA, OKLAHOMA
From 25-APR-09 18:10:00 to 25-APR-09 18:10:00 (CST-6)
Location: FOSS
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CUSTER, OKLAHOMA
From 25-APR-09 17:25:00 to 25-APR-09 17:25:00 (CST-6)
Location: BUTLER
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in DEWEY, OKLAHOMA
From 25-APR-09 18:25:00 to 25-APR-09 18:25:00 (CST-6)
Location: VICI
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CUSTER, OKLAHOMA
From 25-APR-09 18:30:00 to 25-APR-09 18:30:00 (CST-6)
Location: THOMAS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRANT, OKLAHOMA
From 25-APR-09 18:45:00 to 25-APR-09 18:45:00 (CST-6)
Location: RENFROW
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DEWEY, OKLAHOMA
From 25-APR-09 19:30:00 to 25-APR-09 19:30:00 (CST-6)
Location: CESTOS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHITA, OKLAHOMA
From 25-APR-09 19:54:00 to 25-APR-09 19:54:00 (CST-6)
Location: DILL CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in BECKHAM, OKLAHOMA
From 25-APR-09 16:05:00 to 25-APR-09 16:05:00 (CST-6)
Location: SAYRE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in WASHITA, OKLAHOMA
From 25-APR-09 16:44:00 to 25-APR-09 16:44:00 (CST-6)
Location: CANUTE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in BECKHAM, OKLAHOMA
From 25-APR-09 16:07:00 to 25-APR-09 16:07:00 (CST-6)
Location: SAYRE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in BECKHAM, OKLAHOMA
From 25-APR-09 16:07:00 to 25-APR-09 16:07:00 (CST-6)
Location: SAYRE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in GARFIELD, OKLAHOMA
From 25-APR-09 20:57:00 to 25-APR-09 20:57:00 (CST-6)
Location: NORTH ENID
Magnitude: 75.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A downburst occurred at Chisholm High School on the northwest side of Enid causing damage at the football field, baseball field and another building.  The scoreboard at the football field was broken off of its support and was blown and bounced to mid-field.  Some of the outfield wall panels of the baseball field were damaged.  A building between the football field and baseball field had the southeast corner of the roof peeled up, and also suffered some wall damage on the west side of the building.

Thunderstorm Wind in GARFIELD, OKLAHOMA
From 26-APR-09 00:20:00 to 26-APR-09 00:20:00 (CST-6)
Location: CARRIER
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A pole barn was destroyed by severe thunderstorm winds from the east.

Thunderstorm Wind in GARFIELD, OKLAHOMA
From 25-APR-09 21:59:00 to 25-APR-09 21:59:00 (CST-6)
Location: HUNTER
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds caused significant damage to trees and a barn.

Hail in CUSTER, OKLAHOMA
From 25-APR-09 17:12:00 to 25-APR-09 17:12:00 (CST-6)
Location: FOSS RES DAM
Magnitude: 2.96 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in WOODS, OKLAHOMA
From 25-APR-09 17:11:00 to 25-APR-09 17:11:00 (CST-6)
Location: WAYNOKA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flood in GARFIELD, OKLAHOMA
From 26-APR-09 08:25:00 to 26-APR-09 10:25:00 (CST-6)
Location: LAHOMA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water is the over Highway 412 east of Lahoma.

Hail in CUSTER, OKLAHOMA
From 25-APR-09 19:03:00 to 25-APR-09 19:03:00 (CST-6)
Location: CUSTER CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in BECKHAM, OKLAHOMA
From 25-APR-09 16:45:00 to 25-APR-09 16:45:00 (CST-6)
Location: ELK CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in ROGER MILLS, OKLAHOMA
From 25-APR-09 16:47:00 to 25-APR-09 16:47:00 (CST-6)
Location: HAMMON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ROGER MILLS, OKLAHOMA
From 25-APR-09 16:53:00 to 25-APR-09 16:53:00 (CST-6)
Location: HAMMON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Tornado in GARFIELD, OKLAHOMA
From 25-APR-09 23:50:00 to 26-APR-09 00:08:00 (CST-6)
Location: CARRIER
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado began about 3 miles south and 1 mile west of Hillsdale where a barn was destroyed just west of state highway 132. The tornado moved north-northeast through open farmland until it moved into an area southeast and east of Hillsdale where trees were damaged. Barns were damaged about one-half mile east of Hillsdale, with additional tree damage and damage to a house observed north-northeast of Hillsdale.

Tornado in GARFIELD, OKLAHOMA
From 25-APR-09 21:42:00 to 25-APR-09 21:46:00 (CST-6)
Location: KREMLIN
Tornado F-scale: EF2
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado occurred mainly over open farmland, except for one house about 2.5 miles southeast of Kremlin that suffered significant damage, including the removal of the roof.

Hail in BLAINE, OKLAHOMA
From 25-APR-09 22:00:00 to 25-APR-09 22:00:00 (CST-6)
Location: WATONGA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in BLAINE, OKLAHOMA
From 25-APR-09 22:15:00 to 25-APR-09 22:15:00 (CST-6)
Location: WATONGA
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Flood in KAY, OKLAHOMA
From 26-APR-09 02:15:00 to 26-APR-09 02:15:00 (CST-6)
Location: BLACKWELL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Up to two feet of water was reported on roadways in the town of Blackwell.

Flood in KAY, OKLAHOMA
From 26-APR-09 02:15:00 to 26-APR-09 04:15:00 (CST-6)
Location: BRAMAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

US 177 was flooded near the exit to Interstate 35.

Hail in KAY, OKLAHOMA
From 26-APR-09 02:20:00 to 26-APR-09 02:20:00 (CST-6)
Location: TONKAWA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood in MAJOR, OKLAHOMA
From 26-APR-09 04:00:00 to 26-APR-09 06:00:00 (CST-6)
Location: ORIENTA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

US Highway 412 was closed from Orienta to its Junction with US Highway 281 south of Waynoka.

Thunderstorm Wind in GRANT, OKLAHOMA
From 25-APR-09 22:15:00 to 25-APR-09 22:35:00 (CST-6)
Location: MEDFORD
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Three wind gusts ranging from 60 to 69 mph were measured from 1120 to 1135 pm.

Hail in MAJOR, OKLAHOMA
From 25-APR-09 22:35:00 to 25-APR-09 22:35:00 (CST-6)
Location: FAIRVIEW
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in GARFIELD, OKLAHOMA
From 25-APR-09 23:58:00 to 25-APR-09 23:58:00 (CST-6)
Location: CARRIER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in WOODS, OKLAHOMA
From 25-APR-09 23:03:00 to 25-APR-09 23:03:00 (CST-6)
Location: ALVA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tornado in GARFIELD, OKLAHOMA
From 26-APR-09 00:39:00 to 26-APR-09 00:50:00 (CST-6)
Location: KREMLIN
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A large tornado was observed by storm chasers from KWTV for over 10 minutes. Fortunately, this tornado mostly moved through open farmland with only isolated damage observed between 1 mile and 2 miles west of Kremlin. A barn was destroyed, power poles were damaged, and some roof damage to a house were observed between Kremlin and US-81.

Hail in GRANT, OKLAHOMA
From 26-APR-09 01:42:00 to 26-APR-09 01:42:00 (CST-6)
Location: LAMONT
Magnitude: 4.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The hail report was relayed by KWTV-9.

Hail in GARFIELD, OKLAHOMA
From 26-APR-09 00:04:00 to 26-APR-09 00:04:00 (CST-6)
Location: CARRIER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in GARFIELD, OKLAHOMA
From 26-APR-09 00:25:00 to 26-APR-09 00:25:00 (CST-6)
Location: HILLSDALE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in GRANT, OKLAHOMA
From 26-APR-09 01:48:00 to 26-APR-09 01:48:00 (CST-6)
Location: LAMONT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The hail report was relayed by the Blackwell emergency manager.

Hail in KAY, OKLAHOMA
From 26-APR-09 01:48:00 to 26-APR-09 01:48:00 (CST-6)
Location: TONKAWA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in GRANT, OKLAHOMA
From 25-APR-09 16:24:00 to 25-APR-09 16:24:00 (CST-6)
Location: NASH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in WOODWARD, OKLAHOMA
From 25-APR-09 16:27:00 to 25-APR-09 16:27:00 (CST-6)
Location: QUINLAN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BECKHAM, OKLAHOMA
From 25-APR-09 16:28:00 to 25-APR-09 16:28:00 (CST-6)
Location: ELK CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in BECKHAM, OKLAHOMA
From 25-APR-09 16:40:00 to 25-APR-09 16:40:00 (CST-6)
Location: ELK CITY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHITA, OKLAHOMA
From 25-APR-09 19:54:00 to 25-APR-09 19:54:00 (CST-6)
Location: BURNS FLAT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in WASHITA, OKLAHOMA
From 25-APR-09 20:00:00 to 25-APR-09 20:00:00 (CST-6)
Location: BURNS FLAT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DEWEY, OKLAHOMA
From 25-APR-09 20:20:00 to 25-APR-09 20:20:00 (CST-6)
Location: SEILING
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in WASHITA, OKLAHOMA
From 25-APR-09 19:08:00 to 25-APR-09 19:08:00 (CST-6)
Location: DILL CITY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in DEWEY, OKLAHOMA
From 25-APR-09 19:10:00 to 25-APR-09 19:10:00 (CST-6)
Location: CAMARGO
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in DEWEY, OKLAHOMA
From 25-APR-09 19:15:00 to 25-APR-09 19:15:00 (CST-6)
Location: CAMARGO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in WASHITA, OKLAHOMA
From 25-APR-09 19:23:00 to 25-APR-09 19:23:00 (CST-6)
Location: CORDELL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in GRANT, OKLAHOMA
From 25-APR-09 19:29:00 to 25-APR-09 19:29:00 (CST-6)
Location: POND CREEK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KAY, OKLAHOMA
From 25-APR-09 20:47:00 to 25-APR-09 20:47:00 (CST-6)
Location: PONCA CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GARFIELD, OKLAHOMA
From 25-APR-09 21:02:00 to 25-APR-09 21:02:00 (CST-6)
Location: ENID
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Tornado in GARFIELD, OKLAHOMA
From 25-APR-09 21:10:00 to 25-APR-09 21:15:00 (CST-6)
Location: NORTH ENID
Tornado F-scale: EF2
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado touched down near the expo center in the northwest side of Enid. The southwest corner of the roof of the expo center was removed, and numerous trailers, trees and signs were damaged.  The tornado moved north-northeast from the expo center into a neighborhood causing destroying or causing significant damage to a number of trailers, and significant damage to a metal building and trees along with some roof damage to other homes.  The tornado then moved into a neighborhood on the west side of the city of North Enid damaging home roofs.  The last observed damage was as the tornado crossed Phillips Avenue just east of Highway 81.

Hail in BLAINE, OKLAHOMA
From 25-APR-09 20:25:00 to 25-APR-09 20:25:00 (CST-6)
Location: LONGDALE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in MAJOR, OKLAHOMA
From 25-APR-09 21:32:00 to 25-APR-09 21:32:00 (CST-6)
Location: FAIRVIEW
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in BECKHAM, OKLAHOMA
From 25-APR-09 18:20:00 to 25-APR-09 18:20:00 (CST-6)
Location: CARTER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WASHITA, OKLAHOMA
From 25-APR-09 18:24:00 to 25-APR-09 18:24:00 (CST-6)
Location: BESSIE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in WASHITA, OKLAHOMA
From 25-APR-09 20:29:00 to 25-APR-09 20:29:00 (CST-6)
Location: BESSIE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in WASHITA, OKLAHOMA
From 25-APR-09 20:30:00 to 25-APR-09 20:30:00 (CST-6)
Location: FOSS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KAY, OKLAHOMA
From 25-APR-09 20:35:00 to 25-APR-09 20:35:00 (CST-6)
Location: BLACKWELL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CUSTER, OKLAHOMA
From 25-APR-09 20:44:00 to 25-APR-09 20:44:00 (CST-6)
Location: CLINTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee