Thunderstorm Wind, Boone
- When
- April 26, 2:30 AM CST
- Where
- Boone County
- Measured
- 52 kt (60 mph)
- Coordinates
- 42.030, -94.030
Tornadoes and Hail in Iowa, April 26, 1986
3 tornado, 1 thunderstorm wind, 1 hail, 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
- 1
- Injuries
- 2
- Property damage
- $5.0 million
- 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 thunderstorm wind, 1 hail. Local standard time, as filed.
Tornado, Lyon
- When
- April 26, 6:30 PM CST
- Where
- Lyon County
- Rating
- F2
- Path length
- 8.5 mi
- Path width
- 120 yd
- Deaths
- 1 direct, 0 indirect
- Injuries
- 2 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 43.400, -96.030
Tornado, Lyon
- When
- April 26, 6:42 PM CST
- Where
- Lyon County
- Rating
- F2
- Path length
- 9.5 mi
- Path width
- 70 yd
- Property damage
- $2.5 million
- Coordinates
- 43.350, -96.380
Hail, Harrison
- When
- April 26, 7:53 PM CST
- Where
- Harrison County
- Measured
- 2 in hail
- Coordinates
- 41.800, -96.030
Tornado, Crawford
- When
- April 26, 9:05 PM CST
- Where
- Crawford County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 20 yd
- Coordinates
- 42.020, -95.430
The people who died
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Tornado, Lyon | 1986-04-26 | Direct |
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 Hail in Minnesota, April 26, 1986
- Tornadoes and Hail in South Dakota, April 26, 1986
- Tornadoes and Hail in Nebraska, April 26, 1986
- Tornadoes and Hail in Oklahoma, April 26, 1986
- Hail and Damaging Winds in North Carolina, April 26, 1986
- Hail and Damaging Wind in Kansas, April 26, 1986
- Hail in South Carolina, April 26, 1986
- Hail in Texas, April 26, 1986
More
Every storm in Iowa in 1986Every state in 1986This day in weather historyThe tornado archive for Iowa, 1986Warnings in Iowa, April 1986
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: 10012837, 10012838, 10012839, 10012840, 10012841.