Hail, Cooper
- When
- June 19, 6:20 AM CST
- Where
- Cooper County, Boonville
- Measured
- 0.75 in hail
- Coordinates
- 38.970, -92.730
The Cooper County Sheriff's Office reported dime-size hail during a severe thunderstorm at Boonville.
Flash Flood and Hail in Missouri, June 19 to 20, 1998
6 hail, 1 thunderstorm wind, 1 flash flood, as filed by the National Weather Service.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 8
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The radar
The national radar mosaic for the moment the first event began.
Event by event
6 hail, 1 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Hail, Howard
- When
- June 19, 6:30 AM CST
- Where
- Howard County, Glasgow
- Measured
- 0.75 in hail
- Coordinates
- 39.230, -92.850
Dime-size hail was reported by the public during a thunderstorm in Glasgow.
Thunderstorm Wind, Cass
- When
- June 19, 9:50 PM CST to June 20, 9:50 PM CST
- Where
- Cass County, 5 mi E of Lisle
- Measured
- 60 kt (69 mph)
- Coordinates
- 38.550, -94.500
A spotter reported a 60 MPH wind gust during a thunderstorm over Cass County. The winds were reported 5 miles east of Lisle.
Hail, Harrison
- When
- June 20, 5:03 AM CST
- Where
- Harrison County, Bethany
- Measured
- 0.75 in hail
- Coordinates
- 40.270, -94.030
Dime-size hail was reported on the south side of Bethany by a local radio station.
Hail, Linn
- When
- June 20, 7:10 AM CST
- Where
- Linn County, 1 mi NE of Fountain Grove
- Measured
- 0.88 in hail
- Coordinates
- 39.730, -93.320
Nickel-size hail was reported a mile northeast of Fountain Grove near the Wildlife area.
Hail, Johnson
- When
- June 20, 9:10 AM CST to 9:30 AM CST
- Where
- Johnson County, 5 mi NE of Leeton
- Measured
- 1 in hail
- Coordinates
- 38.630, -93.630
Quarter-size hail was reported by the Johnson County Sheriff's Office 5 miles northeast of Leeton.
Hail, Pettis
- When
- June 20, 9:40 AM CST to 9:50 AM CST
- Where
- Pettis County, Green Ridge
- Measured
- 0.75 in hail
- Coordinates
- 38.620, -93.400
Pettis County spotters reported dime-size hail at Green Ridge and 5 miles north of Greenridge.
Flash Flood, Pettis
- When
- June 20, 9:55 AM CST to 10:10 AM CST
- Where
- Pettis County, Sedalia
- Coordinates
- 38.728, -93.285 (the zone’s center; the record gives no point)
Thunderstorms over Pettis County dropped 2 to 3 inches of rain on the morning of June 20. Flash flooding resulting in Sedalia with a foot of water reported at the intersection of Wilkerson and Park. There was also a foot of water on the eastbound lanes of U.S. Highway 50 which runs through Sedalia.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Rip Current in Florida, June 19, 1998
- Heat in Louisiana, June 19, 1998
- Hail and Damaging Winds in Georgia, June 19, 1998
- Flash Flooding and Flood in West Virginia, June 19 to 20, 1998
- Damaging Winds in Ohio, June 19, 1998
- Tornado in North Carolina, June 19, 1998
- Hail and Damaging Winds in South Carolina, June 19, 1998
- Tornado in Montana, June 19, 1998
- Flash Flooding and Hail in West Virginia, June 19, 1998
- Hail and Damaging Winds in Ohio, June 19, 1998
- Damaging Winds in Kentucky, June 19, 1998
- Flash Flooding in Pennsylvania, June 19, 1998
More
Every storm in Missouri in 1998Every state in 1998This day in weather historyWarnings in Missouri, June 1998
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5650042, 5650043, 5650041, 5650039, 5650038, 5650037, 5650036, 5650040.