Thunderstorm Wind, Clay
- When
- June 20, 7:20 PM CST
- Where
- Clay County, Gladstone
- Measured
- 60 kt (69 mph)
- Coordinates
- 39.230, -94.480
Thunderstorm winds knocked down trees and powerlines in Gladstone at the intersection of I-29 and Vivian Road.
Hail and Damaging Winds in Missouri, June 20, 1998
3 thunderstorm wind, 2 hail, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. 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
- 5
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
3 thunderstorm wind, 2 hail. Local standard time, as filed.
Hail, Platte
- When
- June 20, 7:54 PM CST to 8:15 PM CST
- Where
- Platte County, Parkville to 2 mi W of Parkville
- Measured
- 1.75 in hail
- Coordinates
- 39.200, -94.730
Quarter-size to golfball-size hail was reported 2 to 5 miles west of Parkville.
Thunderstorm Wind, Jackson
- When
- June 20, 8:00 PM CST
- Where
- Jackson County, Lees Summit
- Measured
- 60 kt (69 mph)
- Coordinates
- 38.920, -94.380
A National Weather Service employee reported 6 inch diameter trees downed from thunderstorm winds in Lee's Summit.
Thunderstorm Wind, Cooper
- When
- June 20, 9:15 PM CST
- Where
- Cooper County, Boonville
- Measured
- 59 kt (68 mph)
- Coordinates
- 38.970, -92.730
A spotter reported trees down in Boonville as a result of a 59 MPH gust during a thunderstorm. The damaging thunderstorm winds also blew a 10 inch diameter tree on top of a house in Boonville.
Hail, Cass
- When
- June 20, 9:19 PM CST
- Where
- Cass County, Harrisonville
- Measured
- 1.75 in hail
- Coordinates
- 38.650, -94.350
The Harrisonville Police Department reported golfball-size hail during a severe thunderstorm over Cass County.
What these are
- 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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in New Jersey, June 20, 1998
- Heat in Pennsylvania, June 20 to 21, 1998
- Hail and Damaging Winds in Texas, June 20, 1998
- Flash Flood and Flooding in Iowa, June 20, 1998
- Hail and Damaging Winds in Minnesota, June 20, 1998
- Hail and Damaging Winds in Iowa, June 20, 1998
- Hail and Damaging Winds in Wisconsin, June 20, 1998
- Flash Flood in Missouri, June 20, 1998
- Hail and Damaging Winds in Mississippi, June 20, 1998
- Hail in Minnesota, June 20, 1998
- Flash Flood and Hail in Massachusetts, June 20, 1998
- Flash Flooding in Minnesota, June 20, 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: 5649951, 5649952, 5649948, 5649950, 5649949.