Hail, Lyon
- When
- August 9, 2:00 PM CST
- Where
- Lyon County
- Measured
- 1.75 in hail
- Coordinates
- 44.620, -95.670
Tornado and Hail in Minnesota, August 9, 1977
3 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
- 4
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 hail, 1 tornado. Local standard time, as filed.
Hail, Lac Qui Parle
- When
- August 9, 3:30 PM CST
- Where
- Lac Qui Parle County
- Measured
- 0.75 in hail
- Coordinates
- 45.130, -96.300
Tornado, Watonwan
- When
- August 9, 4:55 PM CST
- Where
- Watonwan County
- Rating
- F2
- Path length
- 5.6 mi
- Path width
- 70 yd
- Property damage
- $250,000
- Coordinates
- 44.070, -94.770
Hail, Faribault
- When
- August 9, 6:15 PM CST
- Where
- Faribault County
- Measured
- 1.75 in hail
- Coordinates
- 43.770, -94.170
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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
More
Every storm in Minnesota in 1977Every state in 1977This day in weather historyThe tornado archive for Minnesota, 1977
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: 10053047, 10053048, 10053049, 10053050.