Hail, Douglas
- When
- May 21, 11:30 AM CST
- Where
- Douglas County
- Measured
- 1.75 in hail
- Coordinates
- 46.720, -92.100
Tornado and Hail in Wisconsin, May 21, 1974
3 thunderstorm wind, 1 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
- 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 thunderstorm wind, 1 hail, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Milwaukee
- When
- May 21, 2:14 PM CST
- Where
- Milwaukee County
- Measured
- 65 kt (75 mph)
- Coordinates
- 42.950, -87.900
Thunderstorm Wind, Marathon
- When
- May 21, 6:10 PM CST
- Where
- Marathon County
- Coordinates
- 44.780, -89.700
Thunderstorm Wind, Marathon
- When
- May 21, 6:30 PM CST
- Where
- Marathon County
- Coordinates
- 44.880, -89.450
Tornado, Dane
- When
- May 21, 7:00 PM CST
- Where
- Dane County
- Rating
- F1
- Path length
- 2.3 mi
- Path width
- 50 yd
- Property damage
- $250,000
- Coordinates
- 43.050, -89.320
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
- Hail and Damaging Winds in Illinois, May 21, 1974
- Hail and Damaging Wind in Minnesota, May 21, 1974
- Damaging Winds in Iowa, May 21, 1974
- Hail in Kansas, May 21, 1974
- Damaging Wind in Michigan, May 21, 1974
- Damaging Wind in Arkansas, May 21, 1974
- Damaging Wind in Missouri, May 21, 1974
- Hail in Oklahoma, May 21, 1974
- Damaging Wind in Kentucky, May 21, 1974
- Hail in Texas, May 21, 1974
More
Every storm in Wisconsin in 1974Every state in 1974This day in weather historyThe tornado archive for Wisconsin, 1974
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: 10147963, 10148176, 10148177, 10148178, 10148179.