Hail, Appanoose
- When
- September 28, 2:15 PM CST
- Where
- Appanoose County
- Measured
- 1.5 in hail
- Coordinates
- 40.680, -92.670
Tornadoes and Hail in Iowa, September 28, 1986
6 thunderstorm wind, 5 hail, 5 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
- 2
- Property damage
- $5.3 million
- Crop damage
- None recorded
- Events
- 16
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
6 thunderstorm wind, 5 hail, 5 tornado. Local standard time, as filed.
Tornado, Polk
- When
- September 28, 4:34 PM CST
- Where
- Polk County
- Rating
- F4
- Path length
- 6 mi
- Path width
- 250 yd
- Property damage
- $2.5 million
- Coordinates
- 41.750, -93.600
Tornado, Jasper
- When
- September 28, 4:48 PM CST
- Where
- Jasper County
- Rating
- F4
- Path length
- 14 mi
- Path width
- 250 yd
- Property damage
- $2.5 million
- Coordinates
- 41.770, -93.330
Thunderstorm Wind, O'Brien
- When
- September 28, 5:00 PM CST
- Where
- O'Brien County
- Measured
- 50 kt (58 mph)
- Coordinates
- 43.080, -95.630
Hail, Hancock
- When
- September 28, 6:00 PM CST
- Where
- Hancock County
- Measured
- 1 in hail
- Coordinates
- 42.920, -93.620
Tornado, Clay
- When
- September 28, 6:05 PM CST
- Where
- Clay County
- Rating
- F1
- Path length
- 0.1 mi
- Path width
- 13 yd
- Property damage
- $25,000
- Coordinates
- 43.150, -95.320
Thunderstorm Wind, Monona
- When
- September 28, 6:15 PM CST
- Where
- Monona County
- Measured
- 50 kt (58 mph)
- Coordinates
- 42.170, -95.800
Hail, Tama
- When
- September 28, 6:20 PM CST
- Where
- Tama County
- Measured
- 1.75 in hail
- Coordinates
- 41.970, -92.580
Hail, Tama
- When
- September 28, 6:20 PM CST
- Where
- Tama County
- Measured
- 1.75 in hail
- Coordinates
- 41.950, -92.380
Tornado, Webster
- When
- September 28, 6:35 PM CST
- Where
- Webster County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 13 yd
- Coordinates
- 42.470, -94.230
Hail, Cerro Gordo
- When
- September 28, 6:43 PM CST
- Where
- Cerro Gordo County
- Measured
- 0.75 in hail
- Coordinates
- 42.980, -93.180
Thunderstorm Wind, Shelby
- When
- September 28, 7:05 PM CST
- Where
- Shelby County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.650, -95.330
Thunderstorm Wind, Cass
- When
- September 28, 7:45 PM CST
- Where
- Cass County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.450, -95.120
Thunderstorm Wind, Cass
- When
- September 28, 8:17 PM CST
- Where
- Cass County
- Coordinates
- 41.450, -95.120
Tornado, Floyd
- When
- September 28, 8:45 PM CST
- Where
- Floyd County
- Rating
- F2
- Path length
- 0.2 mi
- Path width
- 23 yd
- Injuries
- 2 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 43.150, -92.620
Thunderstorm Wind, Floyd
- When
- September 28, 9:00 PM CST
- Where
- Floyd County
- Coordinates
- 43.150, -92.600
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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.
- 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 Hail in Wisconsin, September 28, 1986
- Hail and Damaging Winds in Kansas, September 28, 1986
- Damaging Winds in Nebraska, September 28, 1986
- Tornado and Hail in Illinois, September 28, 1986
- Tornado and Hail in Michigan, September 28, 1986
- Hail in Oklahoma, September 28, 1986
- Damaging Winds in Texas, September 28, 1986
- Damaging Wind in Ohio, September 28, 1986
More
Every storm in Iowa in 1986Every state in 1986This day in weather historyThe tornado archive for Iowa, 1986Warnings in Iowa, September 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: 10015566, 10015567, 10015568, 10015569, 10015570, 10015571, 10015572, 10015573, 10015574, 10014085, 10014086, 10014087, 10014088, 10014302, 10014303, 10014304.