Severe thunderstorms formed across portions of northern and western Oklahoma during the evening of the 29th and moved southeastward overnight. Straight-line wind damage and large hail accompanied many thunderstorms.

Thunderstorm Wind in MCCLAIN, OKLAHOMA
From 30-MAY-01 03:00:00 to 30-MAY-01 03:00:00 (CST)
Location: BLANCHARD
Property damage: .01K
Reported by: NWS EMPLOYEE(OFF DUTY)

Large tree limbs were downed.

Hail in CADDO, OKLAHOMA
From 30-MAY-01 01:15:00 to 30-MAY-01 01:15:00 (CST)
Location: APACHE
Magnitude: 1.25 
Reported by: AMATEUR RADIO

Lightning in CANADIAN, OKLAHOMA
From 29-MAY-01 23:41:00 to 29-MAY-01 23:41:00 (CST)
Location: PIEDMONT
Property damage: 5K
Reported by: NEWSPAPER

Lightning struck an oil tank battery causing it to catch fire.

Hail in CADDO, OKLAHOMA
From 30-MAY-01 01:18:00 to 30-MAY-01 01:18:00 (CST)
Location: CYRIL
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Hail in TILLMAN, OKLAHOMA
From 29-MAY-01 22:50:00 to 29-MAY-01 22:50:00 (CST)
Location: FREDERICK
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in CADDO, OKLAHOMA
From 29-MAY-01 22:50:00 to 29-MAY-01 22:50:00 (CST)
Location: HINTON
Property damage: 20K
Reported by: AMATEUR RADIO

A truck was blown over on Interstate 40 near mile marker 96.

Thunderstorm Wind in OKLAHOMA, OKLAHOMA
From 30-MAY-01 00:20:00 to 30-MAY-01 00:20:00 (CST)
Location: OKLAHOMA CITY
Magnitude: 61 E
Reported by: STORM CHASER

Wind was estimated at the county courthouse.

Thunderstorm Wind in CANADIAN, OKLAHOMA
From 30-MAY-01 00:08:00 to 30-MAY-01 00:08:00 (CST)
Location: MUSTANG
Magnitude: 52 E
Reported by: AMATEUR RADIO

Hail in JACKSON, OKLAHOMA
From 30-MAY-01 00:10:00 to 30-MAY-01 00:10:00 (CST)
Location: BLAIR
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Hail in CADDO, OKLAHOMA
From 30-MAY-01 01:17:00 to 30-MAY-01 01:17:00 (CST)
Location: CYRIL
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Thunderstorm Wind in KAY, OKLAHOMA
From 29-MAY-01 22:00:00 to 29-MAY-01 22:00:00 (CST)
Location: TONKAWA
Property damage: 35K
Reported by: EMERGENCY MANAGER

The roof of a trailer home was blown off, and pontoon boats were blown over.

Thunderstorm Wind in KAY, OKLAHOMA
From 29-MAY-01 22:10:00 to 29-MAY-01 22:10:00 (CST)
Location: TONKAWA
Magnitude: 52 E
Reported by: AMATEUR RADIO

Wind was reported near Highway 60 and Interstate 35.

Hail in WASHITA, OKLAHOMA
From 29-MAY-01 22:23:00 to 29-MAY-01 22:23:00 (CST)
Location: CANUTE
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Thunderstorm Wind in KAY, OKLAHOMA
From 29-MAY-01 22:08:00 to 29-MAY-01 22:08:00 (CST)
Location: BRAMAN
Property damage: 5K
Reported by: LAW ENFORCEMENT

A light pole was downed.

Hail in JACKSON, OKLAHOMA
From 29-MAY-01 22:59:00 to 29-MAY-01 22:59:00 (CST)
Location: ALTUS
Magnitude: 0.88 
Reported by: STORM CHASER

Thunderstorm Wind in JACKSON, OKLAHOMA
From 29-MAY-01 21:49:00 to 29-MAY-01 21:49:00 (CST)
Location: ELDORADO
Magnitude: 61 E
Reported by: AMATEUR RADIO

Hail in COMANCHE, OKLAHOMA
From 30-MAY-01 01:19:00 to 30-MAY-01 01:19:00 (CST)
Location: INDIAHOMA
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Hail in COMANCHE, OKLAHOMA
From 30-MAY-01 01:15:00 to 30-MAY-01 01:15:00 (CST)
Location: INDIAHOMA
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Flood in OKLAHOMA, OKLAHOMA
From 30-MAY-01 01:15:00 to 30-MAY-01 01:15:00 (CST)
Location: OKLAHOMA CITY
Reported by: AMATEUR RADIO

Portions of Interstate 35 were covered with approximately 1 foot of water near Interstate 40.

Flash Flood in OKLAHOMA, OKLAHOMA
From 30-MAY-01 01:17:00 to 30-MAY-01 01:17:00 (CST)
Location: OKLAHOMA CITY
Property damage: 30K
Reported by: AMATEUR RADIO

Cars were stalled in high water on Interstate 35 near Southwest 89th.

Hail in CLEVELAND, OKLAHOMA
From 30-MAY-01 01:05:00 to 30-MAY-01 01:05:00 (CST)
Location: MOORE
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Hail was reported at 164th and Western.

Hail in JACKSON, OKLAHOMA
From 29-MAY-01 21:15:00 to 29-MAY-01 21:15:00 (CST)
Location: ELDORADO
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Thunderstorm Wind in GARFIELD, OKLAHOMA
From 29-MAY-01 21:25:00 to 29-MAY-01 21:25:00 (CST)
Location: LAHOMA
Magnitude: 56 M
Reported by: EMERGENCY MANAGER

Wind was measured by Oklahoma mesonet.

Thunderstorm Wind in CLEVELAND, OKLAHOMA
From 30-MAY-01 00:21:00 to 30-MAY-01 00:21:00 (CST)
Location: MOORE
Magnitude: 52 E
Reported by: NWS EMPLOYEE(OFF DUTY)

Wind was reported near SW 89th and Pennsylvania Ave.

Thunderstorm Wind in OKLAHOMA, OKLAHOMA
From 30-MAY-01 00:21:00 to 30-MAY-01 00:21:00 (CST)
Location: OKLAHOMA CITY
Magnitude: 52 E
Reported by: NWS EMPLOYEE(OFF DUTY)

Wind was reported near SW 89th and Pennsylvania Ave.

Thunderstorm Wind in HARPER, OKLAHOMA
From 29-MAY-01 20:15:00 to 29-MAY-01 20:15:00 (CST)
Location: BUFFALO
Magnitude: 56 M
Reported by: AWOS,ASOS,MESONET,ETC

Wind was measured by Oklahoma mesonet.

Hail in BECKHAM, OKLAHOMA
From 29-MAY-01 20:51:00 to 29-MAY-01 20:51:00 (CST)
Location: MAYFIELD
Magnitude: 0.75 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in WOODWARD, OKLAHOMA
From 29-MAY-01 20:40:00 to 29-MAY-01 20:40:00 (CST)
Location: MOORELAND
Magnitude: 58 M
Reported by: AWOS,ASOS,MESONET,ETC

Wind was measured by Oklahoma mesonet.

Hail in OKLAHOMA, OKLAHOMA
From 30-MAY-01 00:45:00 to 30-MAY-01 00:45:00 (CST)
Location: CHOCTAW
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Hail was reported at NE 43rd and Choctaw Road.

Hail in OKLAHOMA, OKLAHOMA
From 30-MAY-01 00:40:00 to 30-MAY-01 00:40:00 (CST)
Location: OKLAHOMA CITY
Magnitude: 0.75 
Reported by: BROADCAST MEDIA

Hail was reported at Crossroads Mall.

Funnel Cloud in KAY, OKLAHOMA
From 29-MAY-01 22:06:00 to 29-MAY-01 22:06:00 (CST)
Location: BRAMAN
Reported by: STORM CHASER

Thunderstorm Wind in HARPER, OKLAHOMA
From 29-MAY-01 20:13:00 to 29-MAY-01 20:13:00 (CST)
Location: BUFFALO
Magnitude: 52 E
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in WOODWARD, OKLAHOMA
From 29-MAY-01 20:45:00 to 29-MAY-01 20:45:00 (CST)
Location: MOORELAND
Magnitude: 58 M
Reported by: AWOS,ASOS,MESONET,ETC

Wind was measured by Oklahoma mesonet.

Hail in WASHITA, OKLAHOMA
From 29-MAY-01 23:00:00 to 29-MAY-01 23:00:00 (CST)
Location: BURNS FLAT
Magnitude: 1.00 
Reported by: NWS EMPLOYEE(OFF DUTY)

Hail in WASHITA, OKLAHOMA
From 30-MAY-01 02:40:00 to 30-MAY-01 02:40:00 (CST)
Location: COLONY
Magnitude: 0.88 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in CADDO, OKLAHOMA
From 30-MAY-01 03:00:00 to 30-MAY-01 03:00:00 (CST)
Location: HYDRO
Property damage: .01K
Reported by: GENERAL PUBLIC

Large tree limbs were downed.

Hail in OKLAHOMA, OKLAHOMA
From 30-MAY-01 00:45:00 to 30-MAY-01 00:45:00 (CST)
Location: CHOCTAW
Magnitude: 0.75 
Reported by: STORM CHASER

Hail in KIOWA, OKLAHOMA
From 30-MAY-01 01:19:00 to 30-MAY-01 01:19:00 (CST)
Location: COOPERTON
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Hail in JACKSON, OKLAHOMA
From 30-MAY-01 00:24:00 to 30-MAY-01 00:24:00 (CST)
Location: MARTHA
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Hail in KIOWA, OKLAHOMA
From 30-MAY-01 00:39:00 to 30-MAY-01 00:39:00 (CST)
Location: HOBART
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Hail in JACKSON, OKLAHOMA
From 30-MAY-01 00:33:00 to 30-MAY-01 00:33:00 (CST)
Location: ALTUS AFB
Magnitude: 1.25 
Reported by: AMATEUR RADIO

Hail in JACKSON, OKLAHOMA
From 30-MAY-01 00:25:00 to 30-MAY-01 00:25:00 (CST)
Location: ALTUS
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Hail in OKLAHOMA, OKLAHOMA
From 30-MAY-01 00:25:00 to 30-MAY-01 00:25:00 (CST)
Location: OKLAHOMA CITY
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Hail in JACKSON, OKLAHOMA
From 30-MAY-01 00:23:00 to 30-MAY-01 00:23:00 (CST)
Location: ALTUS
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Hail in JACKSON, OKLAHOMA
From 29-MAY-01 23:03:00 to 29-MAY-01 23:03:00 (CST)
Location: ALTUS
Magnitude: 1.00 
Reported by: STORM CHASER

Hail in CANADIAN, OKLAHOMA
From 29-MAY-01 23:41:00 to 29-MAY-01 23:41:00 (CST)
Location: PIEDMONT
Magnitude: 1.00 
Reported by: STORM CHASER

Hail in GREER, OKLAHOMA
From 29-MAY-01 23:53:00 to 29-MAY-01 23:53:00 (CST)
Location: REED
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Hail in JACKSON, OKLAHOMA
From 29-MAY-01 23:59:00 to 29-MAY-01 23:59:00 (CST)
Location: DUKE
Magnitude: 1.75 
Reported by: AMATEUR RADIO

Hail in GREER, OKLAHOMA
From 29-MAY-01 23:56:00 to 29-MAY-01 23:56:00 (CST)
Location: RUSSELL
Magnitude: 1.25 
Reported by: AMATEUR RADIO

Hail in CANADIAN, OKLAHOMA
From 29-MAY-01 23:54:00 to 29-MAY-01 23:54:00 (CST)
Location: PIEDMONT
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Hail in GREER, OKLAHOMA
From 29-MAY-01 23:52:00 to 29-MAY-01 23:52:00 (CST)
Location: MANGUM
Magnitude: 1.00 
Reported by: LAW ENFORCEMENT

Hail in TILLMAN, OKLAHOMA
From 29-MAY-01 23:33:00 to 29-MAY-01 23:33:00 (CST)
Location: GRANDFIELD
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Thunderstorm Wind in TILLMAN, OKLAHOMA
From 29-MAY-01 23:31:00 to 29-MAY-01 23:31:00 (CST)
Location: GRANDFIELD
Magnitude: 61 E
Reported by: AMATEUR RADIO

Hail in KIOWA, OKLAHOMA
From 30-MAY-01 01:10:00 to 30-MAY-01 01:10:00 (CST)
Location: SNYDER
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Hail in KIOWA, OKLAHOMA
From 30-MAY-01 01:08:00 to 30-MAY-01 01:08:00 (CST)
Location: MOUNTAIN PARK
Magnitude: 1.25 
Reported by: AMATEUR RADIO

Hail in KIOWA, OKLAHOMA
From 30-MAY-01 01:00:00 to 30-MAY-01 01:00:00 (CST)
Location: TOM STEED RES
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Hail in KIOWA, OKLAHOMA
From 30-MAY-01 00:59:00 to 30-MAY-01 00:59:00 (CST)
Location: SNYDER
Magnitude: 1.75 
Reported by: AMATEUR RADIO