Iowa, 1990

Tornado and Hail in Iowa, August 29, 1990

August 29, 1990 · NWS DSM · 6 events in 6 counties and zones

3 hail, 2 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
6

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 hail, 2 thunderstorm wind, 1 tornado. Local standard time, as filed.

Hail, Van Buren

When
August 29, 12:07 AM CST
Where
Van Buren County
Measured
2 in hail
Coordinates
40.880, -92.080

Hail, Des Moines

When
August 29, 12:34 AM CST
Where
Des Moines County
Measured
0.75 in hail
Coordinates
40.780, -91.120

Hail, Wapello

When
August 29, 12:35 AM CST
Where
Wapello County
Measured
2 in hail
Coordinates
41.030, -92.370

Tornado, Buchanan

When
August 29, 2:00 PM CST
Where
Buchanan County
Rating
F0
Path length
0.1 mi
Path width
13 yd
Coordinates
42.470, -91.900

Thunderstorm Wind, Johnson

When
August 29, 3:00 PM CST
Where
Johnson County
Measured
58 kt (67 mph)
Coordinates
41.630, -91.550

Thunderstorm Wind, Marion

When
August 29, 3:35 PM CST
Where
Marion County
Measured
50 kt (58 mph)
Coordinates
41.420, -92.930

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

More

Every storm in Iowa in 1990Every state in 1990This day in weather historyThe tornado archive for Iowa, 1990Warnings in Iowa, August 1990

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: 10027418, 10027419, 10027420, 10027421, 10027422, 10027423.