Numerous thunderstorms formed across southwest Oklahoma the afternoon of the 4th and spread northeastward. Three tornadoes were confirmed, along with many reports of severe winds.

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 04-MAY-01 17:15:00 to 04-MAY-01 17:15:00 (CST)
Location: STERLING
Magnitude: 61 E
Reported by: AMATEUR RADIO

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 04-MAY-01 17:09:00 to 04-MAY-01 17:09:00 (CST)
Location: STERLING
Magnitude: 52 E
Reported by: EMERGENCY MANAGER

Hail in COTTON, OKLAHOMA
From 04-MAY-01 16:12:00 to 04-MAY-01 16:12:00 (CST)
Location: COOKIETOWN
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Thunderstorm Wind in COTTON, OKLAHOMA
From 04-MAY-01 17:00:00 to 04-MAY-01 17:00:00 (CST)
Location: HULEN
Magnitude: 69 E
Property damage: 2K
Reported by: AMATEUR RADIO

A house was damaged by winds estimated at 80 mph.

Thunderstorm Wind in STEPHENS, OKLAHOMA
From 04-MAY-01 17:12:00 to 04-MAY-01 17:12:00 (CST)
Location: DUNCAN
Magnitude: 53 E
Reported by: GENERAL PUBLIC

Thunderstorm Wind in MCCLAIN, OKLAHOMA
From 04-MAY-01 18:55:00 to 04-MAY-01 18:55:00 (CST)
Location: NEWCASTLE
Magnitude: 52 E
Reported by: GENERAL PUBLIC

Thunderstorm Wind in OKLAHOMA, OKLAHOMA
From 04-MAY-01 19:30:00 to 04-MAY-01 19:30:00 (CST)
Location: CHOCTAW
Property damage: 1.5K
Reported by: AMATEUR RADIO

Trees and powerlines were damaged.

Thunderstorm Wind in MURRAY, OKLAHOMA
From 04-MAY-01 19:30:00 to 04-MAY-01 19:30:00 (CST)
Location: SULPHUR
Magnitude: 52 E
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in GARVIN, OKLAHOMA
From 04-MAY-01 19:50:00 to 04-MAY-01 19:50:00 (CST)
Location: WYNNEWOOD
Magnitude: 52 E
Reported by: GENERAL PUBLIC

Thunderstorm Wind in JEFFERSON, OKLAHOMA
From 04-MAY-01 17:55:00 to 04-MAY-01 17:55:00 (CST)
Location: TERRAL
Property damage: .5K
Reported by: GENERAL PUBLIC

Trees were damaged.

Thunderstorm Wind in CARTER, OKLAHOMA
From 04-MAY-01 19:15:00 to 04-MAY-01 19:15:00 (CST)
Location: MILO
Magnitude: 52 E
Reported by: GENERAL PUBLIC

Thunderstorm Wind in MCCLAIN, OKLAHOMA
From 04-MAY-01 18:45:00 to 04-MAY-01 18:45:00 (CST)
Location: BLANCHARD
Property damage: 2K
Reported by: GENERAL PUBLIC

Minor roof damage was reported.

Tornado in GRADY, OKLAHOMA
From 04-MAY-01 18:05:00 to 04-MAY-01 18:06:00 (CST)
Location: CHICKASHA
Tornado F-scale: F0
Property damage: 0
Reported by: BROADCAST MEDIA

This tornado was observed by two storm chasers and described as forming in a field with a full condensation funnel extending to the ground.

Tornado in GRADY, OKLAHOMA
From 04-MAY-01 18:20:00 to 04-MAY-01 18:24:00 (CST)
Location: AMBER
Tornado F-scale: F0
Property damage: 0
Reported by: BROADCAST MEDIA

This tornado was observed by two storm chasers and developed in a field east of Highway 92, then tracked north-northwest, eventually crossing Highway 92. No damage was observed or reported.

Flash Flood in BECKHAM, OKLAHOMA
From 04-MAY-01 17:00:00 to 04-MAY-01 17:00:00 (CST)
Location: ELK CITY
Property damage: 30K
Reported by: NEWSPAPER

Several cars stalled in high water, and a young boy was swept into a drainage channel but pulled to safety.

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 04-MAY-01 16:48:00 to 04-MAY-01 16:48:00 (CST)
Location: GERONIMO
Property damage: 2K
Reported by: LAW ENFORCEMENT

A barn was blown over, and minor damage, consisting mostly of shingles, was sustained to a house roof.

Thunderstorm Wind in STEPHENS, OKLAHOMA
From 04-MAY-01 17:20:00 to 04-MAY-01 17:20:00 (CST)
Location: MARLOW
Magnitude: 69 E
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in STEPHENS, OKLAHOMA
From 04-MAY-01 17:39:00 to 04-MAY-01 17:39:00 (CST)
Location: MARLOW
Magnitude: 52 E
Reported by: LAW ENFORCEMENT

Tornado in TILLMAN, OKLAHOMA
From 04-MAY-01 15:05:00 to 04-MAY-01 15:06:00 (CST)
Location: GRANDFIELD
Tornado F-scale: F1
Property damage: 250K
Reported by: LAW ENFORCEMENT

This brief tornado formed on the west side of Grandfield near Highway 70 and tracked northward for approximately 1/2 mile, covering a distance of 5 to 6 blocks. Two grain storage bins were destroyed. The wall of a garage was blown out. Power poles were snapped, and large trees were pulled out of the ground and layed within 50 feet of their original location. In addition, stadium bleachers were blown over, and a chain-linked fence was destroyed. One man was injured when he was blown out of  a barn.

Thunderstorm Wind in COMANCHE, OKLAHOMA
From 04-MAY-01 16:36:00 to 04-MAY-01 16:36:00 (CST)
Location: GERONIMO
Property damage: 5K
Reported by: LAW ENFORCEMENT

A 250-gallon propane storage tank was blown over and damaged, and the porch roof of a house was damaged about 1/2 mile south of Baseline Road.