Thunderstorm Wind, Sac
- When
- April 12, 2:00 AM CST
- Where
- Sac County
- Measured
- 54 kt (62 mph)
- Coordinates
- 42.280, -95.100
Hail and Damaging Winds in Iowa, April 12, 1991
3 thunderstorm wind, 1 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
- 4
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, 1 hail. Local standard time, as filed.
Thunderstorm Wind, Cerro Gordo
- When
- April 12, 6:30 AM CST
- Where
- Cerro Gordo County
- Measured
- 52 kt (60 mph)
- Coordinates
- 43.130, -93.380
Thunderstorm Wind, Mitchell
- When
- April 12, 8:20 AM CST
- Where
- Mitchell County
- Measured
- 74 kt (85 mph)
- Coordinates
- 43.370, -92.570
Hail, Jasper
- When
- April 12, 10:10 AM CST
- Where
- Jasper County
- Measured
- 1.75 in hail
- Coordinates
- 41.520, -93.100
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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Louisiana, April 12, 1991
- Tornadoes and Hail in Oklahoma, April 12, 1991
- Tornadoes and Hail in Texas, April 12, 1991
- Tornado and Damaging Winds in Alabama, April 12, 1991
- Tornadoes and Hail in Kansas, April 12, 1991
- Tornado and Hail in Nebraska, April 12, 1991
- Hail and Damaging Winds in Mississippi, April 12, 1991
- Damaging Winds in Arkansas, April 12, 1991
- Damaging Winds in New York, April 12, 1991
- Damaging Wind in Tennessee, April 12, 1991
- Hail in North Dakota, April 12, 1991
More
Every storm in Iowa in 1991Every state in 1991This day in weather historyWarnings in Iowa, April 1991
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: 10028569, 10028570, 10028571, 10028572.