Hail, Buchanan
- When
- July 17, 3:40 PM CST
- Where
- Buchanan County
- Measured
- 1 in hail
- Coordinates
- 42.570, -91.680
Tornado and Hail in Iowa, July 17, 1989
7 thunderstorm wind, 1 hail, 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
- $3,000
- Crop damage
- None recorded
- Events
- 9
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
7 thunderstorm wind, 1 hail, 1 tornado. Local standard time, as filed.
Tornado, Hamilton
- When
- July 17, 9:00 PM CST
- Where
- Hamilton County
- Rating
- F1
- Path length
- 5 mi
- Path width
- 40 yd
- Property damage
- $3,000
- Coordinates
- 42.500, -93.870
Thunderstorm Wind, Harrison
- When
- July 17, 9:20 PM CST
- Where
- Harrison County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.570, -95.900
Thunderstorm Wind, Harrison
- When
- July 17, 9:45 PM CST
- Where
- Harrison County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.800, -96.030
Thunderstorm Wind, Carroll
- When
- July 17, 9:46 PM CST
- Where
- Carroll County
- Measured
- 50 kt (58 mph)
- Coordinates
- 42.020, -94.950
Thunderstorm Wind, Harrison
- When
- July 17, 9:50 PM CST
- Where
- Harrison County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.580, -95.580
Thunderstorm Wind, Pottawattamie
- When
- July 17, 9:55 PM CST
- Where
- Pottawattamie County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.470, -95.550
Thunderstorm Wind, Cass
- When
- July 17, 11:10 PM CST
- Where
- Cass County
- Measured
- 52 kt (60 mph)
- Coordinates
- 41.400, -95.020
Thunderstorm Wind, Union
- When
- July 17, 11:45 PM CST
- Where
- Union County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.070, -94.370
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
- Hail and Damaging Winds in Kansas, July 17, 1989
- Tornado and Hail in South Dakota, July 17, 1989
- Hail and Damaging Winds in Arkansas, July 17, 1989
- Hail and Damaging Winds in Oklahoma, July 17, 1989
- Hail and Damaging Winds in Nebraska, July 17, 1989
- Damaging Winds in Louisiana, July 17, 1989
- Damaging Winds in Pennsylvania, July 17, 1989
- Tornado and Damaging Wind in Florida, July 17, 1989
- Damaging Wind in Mississippi, July 17, 1989
More
Every storm in Iowa in 1989Every state in 1989This day in weather historyThe tornado archive for Iowa, 1989Warnings in Iowa, July 1989
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: 10028454, 10028455, 10028456, 10028457, 10028458, 10028459, 10024835, 10024836, 10024837.