Hail, Mahaska
- When
- October 17, 12:50 PM CST
- Where
- Mahaska County
- Measured
- 1.75 in hail
- Coordinates
- 41.470, -92.670
Hail and Damaging Winds in Iowa, October 17, 1990
3 thunderstorm wind, 2 hail, 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
- None recorded
- Crop damage
- None recorded
- Events
- 5
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, 2 hail. Local standard time, as filed.
Hail, Poweshiek
- When
- October 17, 1:10 PM CST
- Where
- Poweshiek County
- Measured
- 1.75 in hail
- Coordinates
- 41.580, -92.420
Thunderstorm Wind, Muscatine
- When
- October 17, 3:20 PM CST
- Where
- Muscatine County
- Measured
- 52 kt (60 mph)
- Coordinates
- 41.420, -91.050
Thunderstorm Wind, Scott
- When
- October 17, 3:45 PM CST
- Where
- Scott County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.530, -90.580
Thunderstorm Wind, Clinton
- When
- October 17, 4:30 PM CST
- Where
- Clinton County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.830, -90.200
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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 Texas, October 17, 1990
- Damaging Winds in Illinois, October 17, 1990
- Damaging Winds in Missouri, October 17, 1990
- Damaging Winds in Michigan, October 17, 1990
- Damaging Winds in Arkansas, October 17, 1990
- Hail in Wisconsin, October 17, 1990
- Hail in Minnesota, October 17, 1990
- Damaging Wind in Indiana, October 17, 1990
More
Every storm in Iowa in 1990Every state in 1990This day in weather historyWarnings in Iowa, October 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: 10027428, 10027429, 10027430, 10027431, 10027432.