Thunderstorm Wind, Grundy
- When
- August 20, 4:00 PM CST
- Where
- Grundy County
- Coordinates
- 40.080, -93.700
Damaging Winds in Missouri, August 20, 1980
19 thunderstorm wind, 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
- 19
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
19 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Adair
- When
- August 20, 5:27 PM CST
- Where
- Adair County
- Measured
- 52 kt (60 mph)
- Coordinates
- 40.200, -92.580
Thunderstorm Wind, Adair
- When
- August 20, 5:27 PM CST
- Where
- Adair County
- Measured
- 60 kt (69 mph)
- Coordinates
- 40.100, -92.530
Thunderstorm Wind, Linn
- When
- August 20, 5:30 PM CST
- Where
- Linn County
- Coordinates
- 39.780, -93.080
Thunderstorm Wind, Linn
- When
- August 20, 5:30 PM CST
- Where
- Linn County
- Coordinates
- 39.780, -93.080
Thunderstorm Wind, Schuyler
- When
- August 20, 6:04 PM CST
- Where
- Schuyler County
- Coordinates
- 40.350, -92.570
Thunderstorm Wind, Schuyler
- When
- August 20, 6:30 PM CST
- Where
- Schuyler County
- Coordinates
- 40.480, -92.370
Thunderstorm Wind, Adair
- When
- August 20, 6:30 PM CST
- Where
- Adair County
- Coordinates
- 40.150, -92.380
Thunderstorm Wind, Knox
- When
- August 20, 6:50 PM CST
- Where
- Knox County
- Coordinates
- 40.250, -92.200
Thunderstorm Wind, Henry
- When
- August 20, 7:00 PM CST
- Where
- Henry County
- Coordinates
- 38.380, -93.770
Thunderstorm Wind, Cass
- When
- August 20, 7:30 PM CST
- Where
- Cass County
- Coordinates
- 38.780, -94.250
Thunderstorm Wind, Pettis
- When
- August 20, 8:00 PM CST
- Where
- Pettis County
- Coordinates
- 38.730, -93.270
Thunderstorm Wind, McDonald
- When
- August 20, 8:27 PM CST
- Where
- McDonald County
- Coordinates
- 36.650, -94.430
Thunderstorm Wind, St. Clair
- When
- August 20, 8:57 PM CST
- Where
- St. Clair County
- Coordinates
- 38.050, -93.700
Thunderstorm Wind, Cass
- When
- August 20, 9:00 PM CST
- Where
- Cass County
- Coordinates
- 38.820, -94.530
Thunderstorm Wind, Ralls
- When
- August 20, 9:15 PM CST
- Where
- Ralls County
- Coordinates
- 39.580, -91.450
Thunderstorm Wind, Lewis
- When
- August 20, 9:15 PM CST
- Where
- Lewis County
- Measured
- 52 kt (60 mph)
- Coordinates
- 39.950, -91.600
Thunderstorm Wind, Marion
- When
- August 20, 9:20 PM CST
- Where
- Marion County
- Measured
- 52 kt (60 mph)
- Coordinates
- 39.700, -91.380
Thunderstorm Wind, Cass
- When
- August 20, 9:30 PM CST
- Where
- Cass County
- Coordinates
- 38.780, -94.270
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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado and Damaging Winds in South Dakota, August 20, 1980
- Damaging Winds in Iowa, August 20, 1980
- Damaging Winds in Oklahoma, August 20, 1980
- Damaging Winds in Wisconsin, August 20, 1980
- Damaging Winds in Georgia, August 20, 1980
- Damaging Winds in Illinois, August 20, 1980
- Damaging Winds in Nebraska, August 20, 1980
- Damaging Winds in Alabama, August 20, 1980
- Damaging Winds in Virginia, August 20, 1980
- Damaging Wind in Minnesota, August 20, 1980
- Damaging Wind in Colorado, August 20, 1980
- Damaging Wind in Kansas, August 20, 1980
More
Every storm in Missouri in 1980Every state in 1980This day in weather history
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: 10056000, 10056001, 10056002, 10056003, 10056004, 10056005, 10056006, 10056007, 10056008, 10056009, 10056010, 10056011, 10056012, 10056013, 10056014, 10056015, 10056016, 10056017, 10056018.