Missouri, 1987Hail and Damaging Winds in Missouri, May 20, 1987
May 20, 1987 · NWS STL · 3 events in 3 counties and zones
2 thunderstorm wind, 1 hail, as filed by the National Weather Service.
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
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 3
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.
Hail, Lafayette
- When
- May 20, 1:35 PM CST
- Where
- Lafayette County
- Measured
- 1.75 in hail
- Coordinates
- 39.000, -93.970
Thunderstorm Wind, Knox
- When
- May 20, 2:55 PM CST
- Where
- Knox County
- Measured
- 61 kt (70 mph)
- Coordinates
- 39.980, -91.970
Thunderstorm Wind, Scotland
- When
- May 20, 3:05 PM CST
- Where
- Scotland County
- Coordinates
- 40.450, -92.150
- 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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tornadoes and Hail in Iowa, May 20, 1987$1.0 million · F1 · 13 events
- Tornado and Hail in Minnesota, May 20, 1987$25,000 · F1 · 3 events
- Tornado and Damaging Winds in Illinois, May 20, 1987$3,000 · F1 · 9 events
- Hail and Damaging Winds in Texas, May 20, 19871 injured · 4 in hail · 7 events
- Hail and Damaging Winds in Indiana, May 20, 19871.75 in hail · 8 events
- Hail and Damaging Wind in Colorado, May 20, 19871.75 in hail · 5 events
- Hail and Damaging Wind in Oklahoma, May 20, 19871.75 in hail · 4 events
- Hail in Utah, May 20, 19870.75 in hail · 2 events
- Damaging Winds in Ohio, May 20, 19872 events
- Hail and Damaging Wind in Arkansas, May 20, 19871.75 in hail · 2 events
- Damaging Wind in Tennessee, May 20, 19871 event
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: 10070817, 10070818, 10070819.