Thunderstorm Wind, Appanoose
- When
- June 9, 1:00 AM CST
- Where
- Appanoose County
- Coordinates
- 40.880, -92.970
Tornadoes and Damaging Winds in Iowa, June 9, 1974
6 thunderstorm wind, 2 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
- $275,000
- Crop damage
- None recorded
- Events
- 8
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
6 thunderstorm wind, 2 tornado. Local standard time, as filed.
Thunderstorm Wind, Benton
- When
- June 9, 2:15 AM CST
- Where
- Benton County
- Coordinates
- 41.900, -92.100
Thunderstorm Wind, Buchanan
- When
- June 9, 2:15 AM CST
- Where
- Buchanan County
- Coordinates
- 42.470, -91.880
Thunderstorm Wind, Delaware
- When
- June 9, 2:45 AM CST
- Where
- Delaware County
- Coordinates
- 42.350, -91.480
Thunderstorm Wind, Delaware
- When
- June 9, 3:00 AM CST
- Where
- Delaware County
- Coordinates
- 42.430, -91.330
Thunderstorm Wind, Jones
- When
- June 9, 3:30 AM CST
- Where
- Jones County
- Coordinates
- 42.230, -91.200
Tornado, Humboldt
- When
- June 9, 11:30 AM CST
- Where
- Humboldt County
- Rating
- F1
- Path length
- 2 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 42.720, -94.130
Tornado, Kossuth
- When
- June 9, 12:30 PM CST
- Where
- Kossuth County
- Rating
- F2
- Path width
- 33 yd
- Property damage
- $250,000
- Coordinates
- 43.080, -94.020
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.
- 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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado and Damaging Wind in Michigan, June 9, 1974
- Tornado and Damaging Winds in Louisiana, June 9, 1974
- Tornadoes and Damaging Winds in Wisconsin, June 9, 1974
- Tornadoes and Damaging Winds in Illinois, June 9, 1974
- Tornado in Minnesota, June 9, 1974
- Damaging Winds in Missouri, June 9, 1974
- Damaging Winds in Arkansas, June 9, 1974
- Hail and Damaging Wind in Texas, June 9, 1974
- Damaging Winds in Mississippi, June 9, 1974
- Damaging Wind in Oklahoma, June 9, 1974
More
Every storm in Iowa in 1974Every state in 1974This day in weather historyThe tornado archive for Iowa, 1974
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: 10012241, 10012242, 10012243, 10012244, 10012245, 10012246, 10012247, 10012248.