Thunderstorm Wind, Wapello
- When
- May 13, 12:42 AM CST
- Where
- Wapello County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.080, -92.400
Hail and Damaging Winds in Iowa, May 13, 1970
9 thunderstorm wind, 3 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
- 12
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
9 thunderstorm wind, 3 hail. Local standard time, as filed.
Thunderstorm Wind, Washington
- When
- May 13, 1:00 AM CST
- Where
- Washington County
- Coordinates
- 41.280, -91.680
Thunderstorm Wind, Poweshiek
- When
- May 13, 1:00 AM CST
- Where
- Poweshiek County
- Coordinates
- 41.700, -92.680
Thunderstorm Wind,
- When
- May 13, 2:25 AM CST
- Where
- County
- Measured
- 58 kt (67 mph)
- Coordinates
- 40.780, -91.080
Hail, Crawford
- When
- May 13, 1:45 PM CST
- Where
- Crawford County
- Measured
- 1.75 in hail
- Coordinates
- 42.000, -95.400
Hail, Ringgold
- When
- May 13, 4:10 PM CST
- Where
- Ringgold County
- Measured
- 1 in hail
- Coordinates
- 40.780, -94.280
Thunderstorm Wind, Monona
- When
- May 13, 4:10 PM CST
- Where
- Monona County
- Coordinates
- 42.080, -95.780
Thunderstorm Wind, Monona
- When
- May 13, 4:10 PM CST
- Where
- Monona County
- Coordinates
- 42.000, -96.000
Thunderstorm Wind, Monona
- When
- May 13, 4:12 PM CST
- Where
- Monona County
- Coordinates
- 42.000, -96.080
Thunderstorm Wind, Monroe
- When
- May 13, 7:00 PM CST
- Where
- Monroe County
- Coordinates
- 41.000, -92.780
Thunderstorm Wind, Cerro Gordo
- When
- May 13, 8:00 PM CST
- Where
- Cerro Gordo County
- Measured
- 54 kt (62 mph)
- Coordinates
- 43.200, -93.280
Hail, Polk
- When
- May 13, 8:08 PM CST
- Where
- Polk County
- Measured
- 0.75 in hail
- Coordinates
- 41.500, -93.680
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 Damaging Winds in Ohio, May 13, 1970
- Tornadoes and Damaging Wind in Missouri, May 13, 1970
- Hail and Damaging Winds in Kansas, May 13, 1970
- Hail and Damaging Winds in Illinois, May 13, 1970
- Hail in Texas, May 13, 1970
- Damaging Winds in Pennsylvania, May 13, 1970
- Hail in Indiana, May 13, 1970
- Tornado in Nevada, May 13, 1970
- Hail in Oklahoma, May 13, 1970
More
Every storm in Iowa in 1970Every state in 1970This day in weather history
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: 10014650, 10014651, 10014652, 10014653, 10014654, 10015505, 10015506, 10015507, 10015508, 10015509, 10015510, 10011237.