Minnesota, 1973

Damaging Winds in Minnesota, August 21, 1973

August 21, 1973 · 7 events in 6 counties and zones

7 thunderstorm wind, 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
7

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

7 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Otter Tail

When
August 21, 7:42 AM CST
Where
Otter Tail County
Measured
60 kt (69 mph)
Coordinates
46.280, -96.070

Thunderstorm Wind, Swift

When
August 21, 8:30 AM CST
Where
Swift County
Coordinates
45.200, -95.300

Thunderstorm Wind, Otter Tail

When
August 21, 8:50 AM CST
Where
Otter Tail County
Measured
66 kt (76 mph)
Coordinates
46.170, -96.180

Thunderstorm Wind, Kandiyohi

When
August 21, 9:00 AM CST
Where
Kandiyohi County
Coordinates
44.900, -95.200

Thunderstorm Wind, Renville

When
August 21, 9:30 AM CST
Where
Renville County
Coordinates
44.800, -95.000

Thunderstorm Wind, Nicollet

When
August 21, 10:00 AM CST
Where
Nicollet County
Coordinates
44.320, -94.420

Thunderstorm Wind, Blue Earth

When
August 21, 10:00 AM CST
Where
Blue Earth County
Coordinates
44.170, -94.030

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.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Minnesota in 1973Every state in 1973This day in weather history

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: 10052372, 10052373, 10052374, 10052375, 10052376, 10052377, 10052378.