Thunderstorm Wind, Lyon
- When
- June 19, 3:00 AM CST
- Where
- Lyon County
- Measured
- 50 kt (58 mph)
- Coordinates
- 43.320, -96.280
Tornadoes and Damaging Winds in Iowa, June 19, 1990
12 thunderstorm wind, 4 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
- $5.5 million
- Crop damage
- None recorded
- Events
- 16
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
12 thunderstorm wind, 4 tornado. Local standard time, as filed.
Thunderstorm Wind, Sioux
- When
- June 19, 3:15 AM CST
- Where
- Sioux County
- Measured
- 50 kt (58 mph)
- Coordinates
- 43.100, -95.950
Tornado, Sioux
- When
- June 19, 3:30 AM CST
- Where
- Sioux County
- Rating
- F0
- Path length
- 0.2 mi
- Path width
- 20 yd
- Property damage
- $250,000
- Coordinates
- 43.100, -95.950
Thunderstorm Wind, Dickinson
- When
- June 19, 3:35 AM CST
- Where
- Dickinson County
- Measured
- 67 kt (77 mph)
- Coordinates
- 43.430, -95.100
Thunderstorm Wind, Humboldt
- When
- June 19, 5:00 AM CST
- Where
- Humboldt County
- Measured
- 50 kt (58 mph)
- Coordinates
- 42.730, -94.430
Thunderstorm Wind, Webster
- When
- June 19, 5:14 AM CST
- Where
- Webster County
- Measured
- 53 kt (61 mph)
- Coordinates
- 42.500, -94.180
Tornado, Pocahontas
- When
- June 19, 5:15 AM CST
- Where
- Pocahontas County
- Rating
- F2
- Path length
- 14 mi
- Path width
- 77 yd
- Property damage
- $2.5 million
- Coordinates
- 42.800, -94.530
Thunderstorm Wind, Marshall
- When
- June 19, 5:15 AM CST
- Where
- Marshall County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.880, -92.750
Thunderstorm Wind, Webster
- When
- June 19, 5:33 AM CST
- Where
- Webster County
- Measured
- 50 kt (58 mph)
- Coordinates
- 42.470, -93.980
Tornado, Calhoun
- When
- June 19, 5:36 AM CST
- Where
- Calhoun County
- Rating
- F2
- Path length
- 2 mi
- Path width
- 77 yd
- Property damage
- $2.5 million
- Coordinates
- 42.570, -94.530
Thunderstorm Wind, Hamilton
- When
- June 19, 5:40 AM CST
- Where
- Hamilton County
- Measured
- 56 kt (64 mph)
- Coordinates
- 42.470, -93.820
Tornado, Hamilton
- When
- June 19, 5:45 AM CST
- Where
- Hamilton County
- Rating
- F1
- Path length
- 6.5 mi
- Path width
- 50 yd
- Property damage
- $250,000
- Coordinates
- 42.270, -93.930
Thunderstorm Wind, Hamilton
- When
- June 19, 6:00 AM CST
- Where
- Hamilton County
- Measured
- 50 kt (58 mph)
- Coordinates
- 42.370, -93.650
Thunderstorm Wind, Webster
- When
- June 19, 6:10 AM CST
- Where
- Webster County
- Measured
- 50 kt (58 mph)
- Coordinates
- 42.430, -94.300
Thunderstorm Wind, Hamilton
- When
- June 19, 6:15 AM CST
- Where
- Hamilton County
- Measured
- 50 kt (58 mph)
- Coordinates
- 42.230, -93.600
Thunderstorm Wind, Story
- When
- June 19, 6:20 AM CST
- Where
- Story County
- Measured
- 50 kt (58 mph)
- Coordinates
- 42.170, -93.500
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
- Tornadoes and Hail in Kansas, June 19, 1990
- Tornadoes and Hail in Illinois, June 19, 1990
- Hail and Damaging Winds in New York, June 19, 1990
- Hail and Damaging Winds in New Jersey, June 19, 1990
- Hail and Damaging Winds in Minnesota, June 19, 1990
- Tornadoes and Hail in Colorado, June 19, 1990
- Damaging Winds in Nebraska, June 19, 1990
- Tornado and Hail in North Dakota, June 19, 1990
- Damaging Winds in Missouri, June 19, 1990
- Hail and Damaging Wind in Pennsylvania, June 19, 1990
- Hail in New Hampshire, June 19, 1990
- Damaging Winds in Massachusetts, June 19, 1990
More
Every storm in Iowa in 1990Every state in 1990This day in weather historyThe tornado archive for Iowa, 1990Warnings in Iowa, June 1990
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: 10025153, 10025154, 10025155, 10025156, 10025157, 10025158, 10025159, 10025160, 10025161, 10025162, 10025163, 10025164, 10025165, 10025166, 10025167, 10025168.