Hail, Plymouth
- When
- July 7, 12:10 AM CST
- Where
- Plymouth County
- Measured
- 0.75 in hail
- Coordinates
- 42.780, -96.170
Tornado and Hail in Iowa, July 7, 1987
6 thunderstorm wind, 3 hail, 1 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
- $250,000
- Crop damage
- None recorded
- Events
- 10
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, 3 hail, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Woodbury
- When
- July 7, 12:20 AM CST
- Where
- Woodbury County
- Measured
- 60 kt (69 mph)
- Coordinates
- 42.480, -95.870
Tornado, Sioux
- When
- July 7, 12:23 AM CST
- Where
- Sioux County
- Rating
- F2
- Path length
- 2 mi
- Path width
- 50 yd
- Property damage
- $250,000
- Coordinates
- 43.020, -96.480
Hail, O'Brien
- When
- July 7, 12:30 AM CST
- Where
- O'Brien County
- Measured
- 0.75 in hail
- Coordinates
- 43.180, -95.870
Thunderstorm Wind, Sioux
- When
- July 7, 12:30 AM CST
- Where
- Sioux County
- Measured
- 58 kt (67 mph)
- Coordinates
- 43.080, -96.180
Thunderstorm Wind, O'Brien
- When
- July 7, 12:45 AM CST
- Where
- O'Brien County
- Measured
- 61 kt (70 mph)
- Coordinates
- 42.970, -95.500
Hail, O'Brien
- When
- July 7, 12:50 AM CST
- Where
- O'Brien County
- Measured
- 1.75 in hail
- Coordinates
- 43.180, -95.480
Thunderstorm Wind, Clay
- When
- July 7, 1:05 AM CST
- Where
- Clay County
- Measured
- 62 kt (71 mph)
- Coordinates
- 43.150, -95.150
Thunderstorm Wind, Buena Vista
- When
- July 7, 1:10 AM CST
- Where
- Buena Vista County
- Measured
- 52 kt (60 mph)
- Coordinates
- 42.850, -94.970
Thunderstorm Wind, Carroll
- When
- July 7, 1:45 AM CST
- Where
- Carroll County
- Measured
- 54 kt (62 mph)
- Coordinates
- 42.070, -94.880
What these are
- 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.
- 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
- Tornadoes and Hail in Colorado, July 7, 1987
- Tornadoes and Hail in Kansas, July 7, 1987
- Tornadoes and Hail in Texas, July 7, 1987
- Tornado in South Dakota, July 7, 1987
- Hail and Damaging Wind in Wyoming, July 7, 1987
- Damaging Winds in North Carolina, July 7, 1987
- Damaging Wind in Virginia, July 7, 1987
- Hail in Maryland, July 7, 1987
- Damaging Wind in Arkansas, July 7, 1987
- Damaging Wind in Nebraska, July 7, 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: 10015451, 10015452, 10015453, 10015454, 10015455, 10015456, 10015457, 10015458, 10015459, 10015460.