Tornado, Kossuth
- When
- July 11, 4:17 PM CST
- Where
- Kossuth County
- Rating
- F1
- Path length
- 3 mi
- Path width
- 20 yd
- Property damage
- $250,000
- Coordinates
- 43.320, -94.030
Tornadoes and Hail in Iowa, July 11, 1987
3 tornado, 1 hail, 1 thunderstorm wind, 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
- $503,000
- 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 tornado, 1 hail, 1 thunderstorm wind. Local standard time, as filed.
Tornado, Winnebago
- When
- July 11, 4:23 PM CST
- Where
- Winnebago County
- Rating
- F1
- Path length
- 2 mi
- Path width
- 20 yd
- Property damage
- $250,000
- Coordinates
- 43.370, -93.980
Hail, Wright
- When
- July 11, 7:30 PM CST
- Where
- Wright County
- Measured
- 1.75 in hail
- Coordinates
- 42.730, -93.730
Thunderstorm Wind, Story
- When
- July 11, 9:52 PM CST
- Where
- Story County
- Measured
- 60 kt (69 mph)
- Coordinates
- 42.030, -93.620
Tornado, Marshall
- When
- July 11, 10:46 PM CST
- Where
- Marshall County
- Rating
- F0
- Path length
- 0.3 mi
- Path width
- 13 yd
- Property damage
- $3,000
- Coordinates
- 42.030, -92.920
What these are
- 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.
- 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
- Tornadoes and Hail in Michigan, July 11, 1987
- Tornado and Hail in South Dakota, July 11, 1987
- Tornado and Hail in Minnesota, July 11, 1987
- Damaging Winds in Wisconsin, July 11, 1987
- Damaging Winds in New York, July 11, 1987
- Hail and Damaging Winds in North Carolina, July 11, 1987
- Damaging Winds in Nebraska, July 11, 1987
- Damaging Winds in Pennsylvania, July 11, 1987
- Damaging Winds in Kansas, July 11, 1987
- Damaging Winds in Ohio, July 11, 1987
- Damaging Winds in Indiana, July 11, 1987
- Hail in New Jersey, July 11, 1987
More
Every storm in Iowa in 1987Every state in 1987This day in weather historyThe tornado archive for Iowa, 1987Warnings in Iowa, July 1987
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: 10015477, 10015478, 10015479, 10015480, 10015481.