Thunderstorm Wind, Cooper
- When
- July 20, 1:00 PM CST
- Where
- Cooper County
- Coordinates
- 39.070, -92.730
Tornadoes and Hail in Missouri, July 20, 1981
18 thunderstorm wind, 2 tornado, 1 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
- $28,000
- Crop damage
- None recorded
- Events
- 21
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.
Event by event
18 thunderstorm wind, 2 tornado, 1 hail. Local standard time, as filed.
Thunderstorm Wind, Boone
- When
- July 20, 1:00 PM CST
- Where
- Boone County
- Coordinates
- 38.950, -92.330
Thunderstorm Wind, Boone
- When
- July 20, 1:03 PM CST
- Where
- Boone County
- Measured
- 51 kt (59 mph)
- Coordinates
- 38.820, -92.220
Thunderstorm Wind, Callaway
- When
- July 20, 1:30 PM CST
- Where
- Callaway County
- Coordinates
- 38.850, -91.930
Thunderstorm Wind, Osage
- When
- July 20, 1:30 PM CST
- Where
- Osage County
- Coordinates
- 38.550, -91.770
Thunderstorm Wind, Montgomery
- When
- July 20, 2:00 PM CST
- Where
- Montgomery County
- Coordinates
- 38.970, -91.500
Tornado, Montgomery
- When
- July 20, 2:07 PM CST
- Where
- Montgomery County
- Rating
- F2
- Path length
- 1 mi
- Path width
- 50 yd
- Property damage
- $25,000
- Coordinates
- 38.880, -91.380
Thunderstorm Wind, Franklin
- When
- July 20, 2:10 PM CST
- Where
- Franklin County
- Coordinates
- 38.600, -91.220
Thunderstorm Wind, Franklin
- When
- July 20, 2:10 PM CST
- Where
- Franklin County
- Measured
- 54 kt (62 mph)
- Coordinates
- 38.600, -91.220
Thunderstorm Wind, Lincoln
- When
- July 20, 2:20 PM CST
- Where
- Lincoln County
- Measured
- 54 kt (62 mph)
- Coordinates
- 38.980, -90.980
Thunderstorm Wind, Warren
- When
- July 20, 2:20 PM CST
- Where
- Warren County
- Coordinates
- 38.820, -91.220
Thunderstorm Wind, St. Clair
- When
- July 20, 2:30 PM CST
- Where
- St. Clair County
- Coordinates
- 38.030, -93.780
Thunderstorm Wind, Franklin
- When
- July 20, 2:30 PM CST
- Where
- Franklin County
- Measured
- 70 kt (81 mph)
- Coordinates
- 38.350, -90.980
Tornado, Jefferson
- When
- July 20, 2:48 PM CST
- Where
- Jefferson County
- Rating
- F1
- Path length
- 1 mi
- Path width
- 50 yd
- Property damage
- $3,000
- Coordinates
- 38.320, -90.570
Thunderstorm Wind, St. Louis (C)
- When
- July 20, 3:02 PM CST
- Where
- St. Louis (C) County
- Coordinates
- 38.670, -90.650
Hail, Crawford
- When
- July 20, 3:10 PM CST
- Where
- Crawford County
- Measured
- 1 in hail
- Coordinates
- 38.150, -91.230
Thunderstorm Wind, Crawford
- When
- July 20, 3:10 PM CST
- Where
- Crawford County
- Coordinates
- 38.150, -91.230
Thunderstorm Wind, St. Louis (C)
- When
- July 20, 3:10 PM CST
- Where
- St. Louis (C) County
- Measured
- 60 kt (69 mph)
- Coordinates
- 38.650, -90.250
Thunderstorm Wind, Ste. Genevieve (C)
- When
- July 20, 4:00 PM CST
- Where
- Ste. Genevieve (C) County
- Coordinates
- 37.980, -90.050
Thunderstorm Wind, Bollinger
- When
- July 20, 4:30 PM CST
- Where
- Bollinger County
- Coordinates
- 37.400, -89.930
Thunderstorm Wind, Cape Girardeau
- When
- July 20, 4:30 PM CST
- Where
- Cape Girardeau County
- Coordinates
- 38.280, -89.530
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.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
- 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
- Tornadoes and Damaging Winds in Pennsylvania, July 20, 1981
- Tornado and Hail in Oklahoma, July 20, 1981
- Tornado in New Jersey, July 20, 1981
- Tornadoes and Hail in Wisconsin, July 20, 1981
- Hail and Damaging Winds in Illinois, July 20, 1981
- Damaging Winds in Kentucky, July 20, 1981
- Hail and Damaging Winds in Indiana, July 20, 1981
- Damaging Winds in Iowa, July 20, 1981
- Damaging Winds in Maryland, July 20, 1981
- Damaging Winds in Tennessee, July 20, 1981
- Damaging Wind in Virginia, July 20, 1981
- Tornado in Minnesota, July 20, 1981
More
Every storm in Missouri in 1981Every state in 1981This day in weather historyThe tornado archive for Missouri, 1981
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: 10056128, 10059493, 10056129, 10056130, 10056131, 10056132, 10056133, 10056348, 10056349, 10056350, 10056351, 10056352, 10056353, 10056354, 10056355, 10056356, 10056357, 10056358, 10056359, 10056360, 10056361.