Iowa, 1974Hail and Damaging Winds in Iowa, April 13, 1974
April 13, 1974 · 11 events in 10 counties and zones
8 thunderstorm wind, 3 hail, as filed by the National Weather Service.
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
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 11
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.
Hail, Iowa
- When
- April 13, 6:15 PM CST
- Where
- Iowa County
- Measured
- 2 in hail
- Coordinates
- 41.520, -92.080
Thunderstorm Wind, Washington
- When
- April 13, 6:15 PM CST
- Where
- Washington County
- Coordinates
- 41.470, -91.830
Hail, Lee
- When
- April 13, 6:30 PM CST
- Where
- Lee County
- Measured
- 1.5 in hail
- Coordinates
- 40.470, -91.430
Hail, Johnson
- When
- April 13, 7:00 PM CST
- Where
- Johnson County
- Measured
- 1.5 in hail
- Coordinates
- 41.770, -91.370
Thunderstorm Wind, Cedar
- When
- April 13, 7:20 PM CST
- Where
- Cedar County
- Coordinates
- 41.770, -91.130
Thunderstorm Wind, Cedar
- When
- April 13, 7:20 PM CST
- Where
- Cedar County
- Coordinates
- 41.580, -91.270
Thunderstorm Wind, Clinton
- When
- April 13, 7:50 PM CST
- Where
- Clinton County
- Coordinates
- 41.900, -90.600
Thunderstorm Wind, Muscatine
- When
- April 13, 7:50 PM CST
- Where
- Muscatine County
- Coordinates
- 41.580, -90.780
Thunderstorm Wind, Mahaska
- When
- April 13, 9:00 PM CST
- Where
- Mahaska County
- Coordinates
- 41.300, -92.650
Thunderstorm Wind, Tama
- When
- April 13, 11:20 PM CST
- Where
- Tama County
- Coordinates
- 42.200, -92.470
Thunderstorm Wind, Black Hawk
- When
- April 13, 11:35 PM CST
- Where
- Black Hawk County
- Coordinates
- 42.500, -92.350
- 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.
- Tornadoes and Hail in Illinois, April 13, 197411 injured · $5.3 million · F3 · 8 events
- Tornadoes and Hail in Missouri, April 13, 19742 injured · $353,000 · F3 · 14 events
- Tornadoes and Hail in Texas, April 13, 19741 injured · $25,000 · F2 · 10 events
- Tornado in North Carolina, April 13, 1974$250,000 · F1 · 1 event
- Damaging Wind in Mississippi, April 13, 19741 event
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: 10014469, 10014470, 10014471, 10014472, 10014473, 10014474, 10014475, 10014476, 10014477, 10014478, 10014479.