Thunderstorm Wind, Jasper
- When
- October 16, 4:04 PM CST
- Where
- Jasper County
- Coordinates
- 41.730, -92.880
Tornado and Damaging Winds in Iowa, October 16, 1984
14 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
- 15
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
14 thunderstorm wind, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Linn
- When
- October 16, 5:05 PM CST
- Where
- Linn County
- Measured
- 52 kt (60 mph)
- Coordinates
- 42.000, -91.650
Thunderstorm Wind, Poweshiek
- When
- October 16, 5:45 PM CST
- Where
- Poweshiek County
- Coordinates
- 41.730, -92.450
Thunderstorm Wind, Johnson
- When
- October 16, 6:05 PM CST
- Where
- Johnson County
- Coordinates
- 41.670, -91.550
Thunderstorm Wind, Chickasaw
- When
- October 16, 6:25 PM CST
- Where
- Chickasaw County
- Measured
- 52 kt (60 mph)
- Coordinates
- 43.070, -92.330
Tornado, Chickasaw
- When
- October 16, 6:30 PM CST
- Where
- Chickasaw County
- Rating
- F1
- Path length
- 1 mi
- Path width
- 27 yd
- Property damage
- $250,000
- Coordinates
- 43.070, -92.170
Thunderstorm Wind, Howard
- When
- October 16, 6:45 PM CST
- Where
- Howard County
- Coordinates
- 43.350, -92.320
Thunderstorm Wind, Des Moines
- When
- October 16, 6:45 PM CST
- Where
- Des Moines County
- Coordinates
- 40.820, -91.080
Thunderstorm Wind, Mitchell
- When
- October 16, 6:45 PM CST
- Where
- Mitchell County
- Coordinates
- 43.350, -92.780
Thunderstorm Wind, Fayette
- When
- October 16, 6:45 PM CST
- Where
- Fayette County
- Coordinates
- 42.830, -91.870
Thunderstorm Wind, Winneshiek
- When
- October 16, 6:50 PM CST
- Where
- Winneshiek County
- Coordinates
- 43.120, -91.700
Thunderstorm Wind, Chickasaw
- When
- October 16, 6:55 PM CST
- Where
- Chickasaw County
- Coordinates
- 43.070, -92.170
Thunderstorm Wind, Fayette
- When
- October 16, 6:57 PM CST
- Where
- Fayette County
- Measured
- 54 kt (62 mph)
- Coordinates
- 42.930, -91.870
Thunderstorm Wind, Black Hawk
- When
- October 16, 6:59 PM CST
- Where
- Black Hawk County
- Coordinates
- 42.470, -92.280
Thunderstorm Wind, Howard
- When
- October 16, 7:00 PM CST
- Where
- Howard County
- Measured
- 52 kt (60 mph)
- Coordinates
- 43.380, -92.120
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
- Tornado and Hail in Tennessee, October 16, 1984
- Tornadoes and Hail in Arkansas, October 16, 1984
- Tornadoes and Damaging Winds in Wisconsin, October 16, 1984
- Tornadoes and Hail in Missouri, October 16, 1984
- Tornado and Hail in Oklahoma, October 16, 1984
- Damaging Winds in Minnesota, October 16, 1984
- Hail and Damaging Wind in Texas, October 16, 1984
- Hail and Damaging Winds in Louisiana, October 16, 1984
- Tornado in Kansas, October 16, 1984
- Damaging Wind in Kentucky, October 16, 1984
More
Every storm in Iowa in 1984Every state in 1984This day in weather historyThe tornado archive for Iowa, 1984
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: 10012496, 10012497, 10012498, 10012499, 10012500, 10012501, 10012502, 10012503, 10012504, 10012505, 10012506, 10012507, 10012508, 10012509, 10012510.