This was the first of three tornadic events in two days for Oklahoma. The other two events occurred on the afternoon of May 8 and on May 9, 2003 (see appropriate storm data). The five tornadoes that occurred in south central Oklahoma all happened after midnight with the strongest tornadoes producing F2 damage. One large supercell produced the three strongest tornadoes of the night.

Tornado in STEPHENS, OKLAHOMA
From 08-MAY-03 00:08:00 to 08-MAY-03 00:12:00 (CST)
Location: DUNCAN
Tornado F-scale: F1
Property damage: 35K
Reported by: EMERGENCY MANAGER

This tornado moved north-northeast between Highway 7 and Old Highway 7. Three houses sustained roof damage. The tornado also heavily damaged 5 barns in this area. A pickup and camper sustained major damage. Power lines, fences, and numerous trees were also downed.

Tornado in STEPHENS, OKLAHOMA
From 08-MAY-03 00:17:00 to 08-MAY-03 00:17:00 (CST)
Location: VELMA
Tornado F-scale: F0
Reported by: GENERAL PUBLIC

This brief tornado was seen touching down in open country. No damage was reported.

Tornado in MARSHALL, OKLAHOMA
From 08-MAY-03 01:54:00 to 08-MAY-03 02:08:00 (CST)
Location: ANTIOCH
Tornado F-scale: F2
Property damage: 100K
Reported by: EMERGENCY MANAGER

This strong F2 tornado is the final of three Oklahoma tornadoes produced by a supercell that moved across south central Oklahoma. The tornado was seen by spotters touching down approximately a mile east of the Carter-Marshall county line. The tornado then moved northeast before dissipating north of Antioch. The most significant damage was sustained in an area about three miles west of Antioch along Highway 70. A wood frame home lost its roof and two walls. Two barns also lost roofs in this area. A forty foot by one hundred foot barn south of Highway 70 was heavily damaged. Three tractors were also damaged. One of the tractors was hooked up to a hay baler and was moved 100 yards.

Hail in COTTON, OKLAHOMA
From 07-MAY-03 22:51:00 to 07-MAY-03 22:51:00 (CST)
Location: COOKIETOWN
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Hail in BECKHAM, OKLAHOMA
From 07-MAY-03 21:55:00 to 07-MAY-03 21:55:00 (CST)
Location: DELHI
Magnitude: 1.25 
Reported by: AMATEUR RADIO

Hail in WASHITA, OKLAHOMA
From 07-MAY-03 22:24:00 to 07-MAY-03 22:24:00 (CST)
Location: DILL CITY
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Hail in COTTON, OKLAHOMA
From 07-MAY-03 22:55:00 to 07-MAY-03 22:55:00 (CST)
Location: WALTERS
Magnitude: 1.75 
Reported by: UNKNOWN

Hail was observed at the Walters toll booth on Interstate 44.

Tornado in LOVE, OKLAHOMA
From 08-MAY-03 01:23:00 to 08-MAY-03 01:33:00 (CST)
Location: OVERBROOK
Tornado F-scale: F2
Property damage: 150K
Reported by: EMERGENCY MANAGER

This is the second Oklahoma tornado of three that was produced by a supercell that moved across south central Oklahoma. This strong F2 tornado moved southeast and then turned more easterly before dissipating within Lake Murray State Park. A double-wide mobile home was destroyed by the tornado. A brick home lost two of its walls and the roof was removed. Four other homes were also heavily damaged with roofs removed and walls damaged. Two barns were also damaged. The tornado crossed Interstate 35 near mile marker 21. A tractor trailer was blown off the interstate just south of this location. The state park sustained some tree damage on the southwest side of Lake Murray.

Hail in TILLMAN, OKLAHOMA
From 07-MAY-03 21:40:00 to 07-MAY-03 21:40:00 (CST)
Location: TIPTON
Magnitude: 0.88 
Reported by: TRAINED SPOTTER

Hail in TILLMAN, OKLAHOMA
From 07-MAY-03 21:45:00 to 07-MAY-03 21:45:00 (CST)
Location: FREDERICK
Magnitude: 1.00 
Reported by: LAW ENFORCEMENT

Hail in BECKHAM, OKLAHOMA
From 07-MAY-03 21:50:00 to 07-MAY-03 21:50:00 (CST)
Location: CARTER
Magnitude: 1.75 
Reported by: EMERGENCY MANAGER

Hail in BECKHAM, OKLAHOMA
From 07-MAY-03 21:51:00 to 07-MAY-03 21:51:00 (CST)
Location: DELHI
Magnitude: 1.25 
Reported by: EMERGENCY MANAGER

Hail in WASHITA, OKLAHOMA
From 07-MAY-03 22:58:00 to 07-MAY-03 22:58:00 (CST)
Location: CORDELL
Magnitude: 1.25 
Reported by: AMATEUR RADIO

Hail in COTTON, OKLAHOMA
From 07-MAY-03 23:05:00 to 07-MAY-03 23:05:00 (CST)
Location: WALTERS
Magnitude: 1.00 
Reported by: FIRE DEPT/RESCUE SQUAD

Hail in WOODWARD, OKLAHOMA
From 07-MAY-03 23:21:00 to 07-MAY-03 23:21:00 (CST)
Location: FT SUPPLY
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Hail in CADDO, OKLAHOMA
From 07-MAY-03 23:41:00 to 07-MAY-03 23:41:00 (CST)
Location: EAKLY
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Hail in STEPHENS, OKLAHOMA
From 07-MAY-03 23:45:00 to 07-MAY-03 23:45:00 (CST)
Location: DUNCAN
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Hail in CADDO, OKLAHOMA
From 07-MAY-03 23:54:00 to 07-MAY-03 23:54:00 (CST)
Location: BINGER
Magnitude: 1.25 
Reported by: AMATEUR RADIO

Hail in JEFFERSON, OKLAHOMA
From 08-MAY-03 00:01:00 to 08-MAY-03 00:01:00 (CST)
Location: ADDINGTON
Magnitude: 0.88 
Reported by: LAW ENFORCEMENT

Hail in JEFFERSON, OKLAHOMA
From 08-MAY-03 00:01:00 to 08-MAY-03 00:01:00 (CST)
Location: ADDINGTON
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Hail in WOODWARD, OKLAHOMA
From 08-MAY-03 00:30:00 to 08-MAY-03 00:30:00 (CST)
Location: MOORELAND
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Thunderstorm Wind in WASHITA, OKLAHOMA
From 07-MAY-03 22:20:00 to 07-MAY-03 22:20:00 (CST)
Location: SENTINEL
Magnitude: 55 MG
Reported by: AWOS,ASOS,MESONET,ETC

Wind was measured by the Oklahoma mesonet.

Hail in COTTON, OKLAHOMA
From 07-MAY-03 22:25:00 to 07-MAY-03 22:25:00 (CST)
Location: WALTERS
Magnitude: 0.88 
Reported by: FIRE DEPT/RESCUE SQUAD

Hail in WASHITA, OKLAHOMA
From 07-MAY-03 22:26:00 to 07-MAY-03 22:26:00 (CST)
Location: SENTINEL
Magnitude: 1.75 
Reported by: AMATEUR RADIO

Hail in WASHITA, OKLAHOMA
From 07-MAY-03 22:36:00 to 07-MAY-03 22:36:00 (CST)
Location: CORDELL
Magnitude: 2.00 
Reported by: TRAINED SPOTTER

Hail in WASHITA, OKLAHOMA
From 07-MAY-03 22:44:00 to 07-MAY-03 22:44:00 (CST)
Location: CORDELL
Magnitude: 1.00 
Reported by: AMATEUR RADIO

Hail in GARVIN, OKLAHOMA
From 08-MAY-03 01:17:00 to 08-MAY-03 01:17:00 (CST)
Location: ELMORE CITY
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Hail in CARTER, OKLAHOMA
From 08-MAY-03 01:20:00 to 08-MAY-03 01:20:00 (CST)
Location: ARDMORE
Magnitude: 1.00 
Reported by: EMERGENCY MANAGER

Hail in GARVIN, OKLAHOMA
From 08-MAY-03 01:32:00 to 08-MAY-03 01:32:00 (CST)
Location: ELMORE CITY
Magnitude: 1.00 
Reported by: BROADCAST MEDIA

Hail in TILLMAN, OKLAHOMA
From 07-MAY-03 21:30:00 to 07-MAY-03 21:30:00 (CST)
Location: FREDERICK
Magnitude: 1.00 
Reported by: GENERAL PUBLIC

Hail in WOODS, OKLAHOMA
From 08-MAY-03 00:40:00 to 08-MAY-03 00:40:00 (CST)
Location: FREEDOM
Magnitude: 0.75 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in JEFFERSON, OKLAHOMA
From 08-MAY-03 00:45:00 to 08-MAY-03 00:45:00 (CST)
Location: RINGLING
Magnitude: 50 MG
Reported by: AWOS,ASOS,MESONET,ETC

Wind was measured by the Oklahoma mesonet.

Tornado in JEFFERSON, OKLAHOMA
From 08-MAY-03 00:32:00 to 08-MAY-03 00:43:00 (CST)
Location: CORNISH
Tornado F-scale: F2
Property damage: 70K
Reported by: EMERGENCY MANAGER

This nighttime tornado is the first of three Oklahoma tornadoes produced by a large supercell that moved across south central Oklahoma. The tornado moved east-southeast for six miles before dissipating. Several homes lost all or part of their roofs with several other homes receiving shingle damage. Four barns were damaged or destroyed. One pole barn had the poles, that were buried three feet deep, pulled out of the ground. A cinder block building also collapsed. Many trees and power lines were downed or damaged by the tornado. Two of the trees were over 100 years old. Three horses were also injured by the tornado.