Thunderstorm Wind, Union
- When
- June 19, 2:30 PM CST
- Where
- Union County
- Measured
- 78 kt (90 mph)
- Coordinates
- 41.070, -94.870
Tornado and Damaging Winds in Iowa, June 19, 1979
23 thunderstorm wind, 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
- $25,000
- Crop damage
- None recorded
- Events
- 24
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
23 thunderstorm wind, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Madison
- When
- June 19, 2:45 PM CST
- Where
- Madison County
- Measured
- 78 kt (90 mph)
- Coordinates
- 41.220, -94.180
Thunderstorm Wind, Harrison
- When
- June 19, 4:30 PM CST
- Where
- Harrison County
- Measured
- 51 kt (59 mph)
- Coordinates
- 41.800, -96.030
Thunderstorm Wind, Woodbury
- When
- June 19, 5:30 PM CST
- Where
- Woodbury County
- Coordinates
- 42.500, -96.070
Thunderstorm Wind, Mills
- When
- June 19, 5:33 PM CST
- Where
- Mills County
- Measured
- 78 kt (90 mph)
- Coordinates
- 41.050, -95.800
Thunderstorm Wind, Shelby
- When
- June 19, 5:35 PM CST
- Where
- Shelby County
- Measured
- 61 kt (70 mph)
- Coordinates
- 41.650, -95.370
Thunderstorm Wind, Monona
- When
- June 19, 5:40 PM CST
- Where
- Monona County
- Coordinates
- 42.170, -95.800
Thunderstorm Wind, Clay
- When
- June 19, 6:20 PM CST
- Where
- Clay County
- Coordinates
- 43.120, -95.270
Thunderstorm Wind, Union
- When
- June 19, 6:50 PM CST
- Where
- Union County
- Coordinates
- 41.070, -94.370
Thunderstorm Wind, Cass
- When
- June 19, 7:00 PM CST
- Where
- Cass County
- Coordinates
- 41.420, -94.770
Thunderstorm Wind, Emmet
- When
- June 19, 7:10 PM CST
- Where
- Emmet County
- Coordinates
- 43.400, -94.500
Thunderstorm Wind, Webster
- When
- June 19, 7:10 PM CST
- Where
- Webster County
- Coordinates
- 42.580, -94.350
Thunderstorm Wind, Kossuth
- When
- June 19, 7:15 PM CST
- Where
- Kossuth County
- Coordinates
- 43.070, -94.230
Thunderstorm Wind, Polk
- When
- June 19, 7:30 PM CST
- Where
- Polk County
- Coordinates
- 41.670, -93.700
Thunderstorm Wind, Madison
- When
- June 19, 7:30 PM CST
- Where
- Madison County
- Coordinates
- 41.500, -94.020
Thunderstorm Wind, Polk
- When
- June 19, 7:56 PM CST
- Where
- Polk County
- Coordinates
- 41.530, -93.670
Thunderstorm Wind, Mitchell
- When
- June 19, 8:10 PM CST
- Where
- Mitchell County
- Coordinates
- 43.230, -92.750
Thunderstorm Wind, Cerro Gordo
- When
- June 19, 8:10 PM CST
- Where
- Cerro Gordo County
- Measured
- 61 kt (70 mph)
- Coordinates
- 43.150, -93.330
Thunderstorm Wind, Grundy
- When
- June 19, 8:45 PM CST
- Where
- Grundy County
- Coordinates
- 42.400, -92.600
Thunderstorm Wind, Mitchell
- When
- June 19, 8:45 PM CST
- Where
- Mitchell County
- Coordinates
- 43.380, -92.930
Thunderstorm Wind, Floyd
- When
- June 19, 8:45 PM CST
- Where
- Floyd County
- Coordinates
- 43.130, -92.930
Thunderstorm Wind, Black Hawk
- When
- June 19, 9:10 PM CST
- Where
- Black Hawk County
- Measured
- 60 kt (69 mph)
- Coordinates
- 42.500, -92.350
Tornado, Winneshiek
- When
- June 19, 9:30 PM CST
- Where
- Winneshiek County
- Rating
- F0
- Path length
- 2 mi
- Path width
- 30 yd
- Property damage
- $25,000
- Coordinates
- 42.230, -92.070
Thunderstorm Wind, Winneshiek
- When
- June 19, 9:50 PM CST
- Where
- Winneshiek County
- Coordinates
- 43.300, -91.800
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 South Dakota, June 19, 1979
- Tornadoes and Hail in Nebraska, June 19, 1979
- Tornado and Damaging Winds in Wisconsin, June 19, 1979
- Tornadoes and Damaging Winds in North Dakota, June 19, 1979
- Tornadoes and Hail in Kansas, June 19, 1979
- Hail and Damaging Winds in Minnesota, June 19, 1979
- Hail and Damaging Winds in North Carolina, June 19, 1979
- Damaging Winds in Missouri, June 19, 1979
More
Every storm in Iowa in 1979Every state in 1979This day in weather historyThe tornado archive for Iowa, 1979
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: 10011649, 10011650, 10011651, 10011652, 10011653, 10011654, 10011655, 10011656, 10011657, 10011658, 10011659, 10011660, 10013370, 10013371, 10013372, 10013373, 10013374, 10013375, 10014160, 10014161, 10014162, 10014163, 10014164, 10014165.