Widely scattered thunderstorms developed across northern and western Missouri on the afternoon of May 21.  Numerous reports of large hail were received.  One supercell storm developed near Kingston in Caldwell County, and then tracked south-southeast through eastern Ray County into Lafayette County, before weakening south of Higginsville.  During its lifetime this storm produced hail up to golfball size, 70 mph wind gusts, and a brief tornado that touched down southeast of Lexington.

Hail in LAFAYETTE, MISSOURI
From 21-MAY-00 18:00:00 to 21-MAY-00 18:00:00 (CST)
Location: HIGGINSVILLE
Magnitude: 1.75 
Reported by: NWS EMPLOYEE(OFF DUTY)

Hail in CASS, MISSOURI
From 21-MAY-00 14:39:00 to 21-MAY-00 14:39:00 (CST)
Location: BELTON
Magnitude: 1.00 
Reported by: EMERGENCY MANAGER

Numerous reports of nickel to quarter size hail were received from northwest of Belton.

Hail in CALDWELL, MISSOURI
From 21-MAY-00 15:14:00 to 21-MAY-00 15:14:00 (CST)
Location: POLO
Magnitude: 1.75 
Reported by: AMATEUR RADIO

Hail in LIVINGSTON, MISSOURI
From 21-MAY-00 16:40:00 to 21-MAY-00 16:40:00 (CST)
Location: CHILLICOTHE
Magnitude: 0.88 
Reported by: BROADCAST MEDIA

Hail in JACKSON, MISSOURI
From 21-MAY-00 14:46:00 to 21-MAY-00 14:46:00 (CST)
Location: GRANDVIEW
Magnitude: 1.00 
Reported by: EMERGENCY MANAGER

Hail in GRUNDY, MISSOURI
From 21-MAY-00 15:00:00 to 21-MAY-00 15:00:00 (CST)
Location: TRENTON
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Tornado in LAFAYETTE, MISSOURI
From 21-MAY-00 17:05:00 to 21-MAY-00 17:07:00 (CST)
Location: LEXINGTON
Tornado F-scale: F1
Property damage: 75K
Reported by: GENERAL PUBLIC

A tornado, witnessed by two citizens, destroyed several outbuildings and damaged the roof of an earth-contact home 7 miles southeast of Lexington, MO.

Hail in CASS, MISSOURI
From 21-MAY-00 15:22:00 to 21-MAY-00 15:22:00 (CST)
Location: CLEVELAND
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Hail in CASS, MISSOURI
From 21-MAY-00 15:45:00 to 21-MAY-00 15:45:00 (CST)
Location: DREXEL
Magnitude: 1.25 
Reported by: LAW ENFORCEMENT

Hail in RAY, MISSOURI
From 21-MAY-00 16:13:00 to 21-MAY-00 16:13:00 (CST)
Location: HARDIN
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Hail in LIVINGSTON, MISSOURI
From 21-MAY-00 15:35:00 to 21-MAY-00 15:35:00 (CST)
Location: FARMERSVILLE
Magnitude: 1.25 
Reported by: GENERAL PUBLIC

Hail in GRUNDY, MISSOURI
From 21-MAY-00 16:22:00 to 21-MAY-00 16:36:00 (CST)
Location: LAREDO
Magnitude: 0.88 
Reported by: GENERAL PUBLIC

Hail in RAY, MISSOURI
From 21-MAY-00 16:08:00 to 21-MAY-00 16:08:00 (CST)
Location: MILLVILLE
Magnitude: 0.88 
Reported by: GENERAL PUBLIC

Hail in BATES, MISSOURI
From 21-MAY-00 17:07:00 to 21-MAY-00 17:07:00 (CST)
Location: RICH HILL
Magnitude: 0.88 
Reported by: LAW ENFORCEMENT

Hail in RAY, MISSOURI
From 21-MAY-00 16:35:00 to 21-MAY-00 16:35:00 (CST)
Location: HARDIN
Magnitude: 1.75 
Reported by: LAW ENFORCEMENT

Hail up to golfball size covered the ground.

Hail in LAFAYETTE, MISSOURI
From 21-MAY-00 17:07:00 to 21-MAY-00 17:07:00 (CST)
Location: HIGGINSVILLE
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

The same supercell storm that produced the tornado southeast of Lexington also produced dime to quarter size hail, which covered the ground in Higginsville.

Thunderstorm Wind in LAFAYETTE, MISSOURI
From 21-MAY-00 17:32:00 to 21-MAY-00 17:32:00 (CST)
Location: HIGGINSVILLE
Magnitude: 60 E
Reported by: LAW ENFORCEMENT

Highway Patrol officers estimated wind gusts up to 70 mph near mile marker 46 on Interstate 70.

Hail in MERCER, MISSOURI
From 21-MAY-00 14:55:00 to 21-MAY-00 14:55:00 (CST)
Location: PRINCETON
Magnitude: 0.88 
Reported by: GENERAL PUBLIC

Hail in BATES, MISSOURI
From 21-MAY-00 15:50:00 to 21-MAY-00 15:50:00 (CST)
Location: ADRIAN
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Hail in CASS, MISSOURI
From 21-MAY-00 15:33:00 to 21-MAY-00 15:33:00 (CST)
Location: WEST LINE
Magnitude: 1.00 
Reported by: LAW ENFORCEMENT

Hail accumulated to a depth of 4 inches.