Thunderstorm Wind, Cedar
- When
- August 21, 12:15 AM CST
- Where
- Cedar County
- Coordinates
- 41.670, -91.350
Tornadoes and Hail in Iowa, August 21, 1987
5 thunderstorm wind, 4 hail, 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
- $500,000
- 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.
Event by event
5 thunderstorm wind, 4 hail, 2 tornado. Local standard time, as filed.
Thunderstorm Wind, Muscatine
- When
- August 21, 12:30 AM CST
- Where
- Muscatine County
- Measured
- 65 kt (75 mph)
- Coordinates
- 41.580, -91.020
Tornado, Muscatine
- When
- August 21, 12:38 AM CST
- Where
- Muscatine County
- Rating
- F1
- Path length
- 1 mi
- Path width
- 20 yd
- Property damage
- $250,000
- Coordinates
- 41.420, -91.050
Hail, Buchanan
- When
- August 21, 12:45 AM CST
- Where
- Buchanan County
- Measured
- 2.5 in hail
- Coordinates
- 42.470, -91.880
Hail, Scott
- When
- August 21, 1:14 AM CST
- Where
- Scott County
- Measured
- 1.75 in hail
- Coordinates
- 41.530, -90.580
Tornado, Cedar
- When
- August 21, 1:15 AM CST
- Where
- Cedar County
- Rating
- F1
- Path length
- 1 mi
- Path width
- 20 yd
- Property damage
- $250,000
- Coordinates
- 41.670, -91.350
Hail, Scott
- When
- August 21, 1:45 AM CST
- Where
- Scott County
- Measured
- 1.75 in hail
- Coordinates
- 41.530, -90.580
Thunderstorm Wind, Scott
- When
- August 21, 3:26 AM CST
- Where
- Scott County
- Coordinates
- 41.700, -90.680
Hail, Scott
- When
- August 21, 3:30 AM CST
- Where
- Scott County
- Measured
- 2 in hail
- Coordinates
- 41.530, -90.580
Thunderstorm Wind, Scott
- When
- August 21, 3:58 AM CST
- Where
- Scott County
- Coordinates
- 41.530, -90.580
Thunderstorm Wind, Scott
- When
- August 21, 5:15 AM CST
- Where
- Scott County
- Coordinates
- 41.530, -90.580
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.
- 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 Florida, August 21, 1987
- Hail in Minnesota, August 21, 1987
- Hail and Damaging Winds in North Carolina, August 21, 1987
- Hail and Damaging Winds in Illinois, August 21, 1987
- Hail and Damaging Wind in Michigan, August 21, 1987
- Hail in South Dakota, August 21, 1987
- Hail in Indiana, August 21, 1987
- Damaging Wind in South Carolina, August 21, 1987
- Damaging Wind in Wisconsin, August 21, 1987
More
Every storm in Iowa in 1987Every state in 1987This day in weather historyThe tornado archive for Iowa, 1987Warnings in Iowa, August 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: 10028359, 10028360, 10028361, 10028362, 10028363, 10028364, 10028365, 10028366, 10028367, 10028368, 10028369.