Thunderstorm Wind, Jasper
- When
- August 14, 5:15 PM CST
- Where
- Jasper County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.870, -92.930
Tornado and Damaging Winds in Iowa, August 14, 1986
3 thunderstorm wind, 1 tornado, 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
- $250,000
- Crop damage
- None recorded
- Events
- 4
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
3 thunderstorm wind, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Jasper
- When
- August 14, 5:32 PM CST
- Where
- Jasper County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.730, -93.070
Tornado, Marion
- When
- August 14, 5:37 PM CST
- Where
- Marion County
- Rating
- F1
- Path length
- 0.2 mi
- Path width
- 23 yd
- Property damage
- $250,000
- Coordinates
- 41.470, -93.080
Thunderstorm Wind, Poweshiek
- When
- August 14, 6:10 PM CST
- Where
- Poweshiek County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.730, -92.450
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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
More
Every storm in Iowa in 1986Every state in 1986This day in weather historyThe tornado archive for Iowa, 1986Warnings in Iowa, August 1986
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: 10015532, 10015533, 10015534, 10015535.