Tornadoes in South Dakota, April 19, 1955

Name: Tornadoes in South Dakota, April 19, 1955
Start: 1955-04-19T15:00
End: 1955-04-19T18:05
Location: South Dakota

April 19, 1955 · 9 events in 6 counties and zones

9 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

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The toll

Deaths: 0
Injuries: 2
Property damage: $11,000
Crop damage: None recorded
Events: 9

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

9 tornado. Local standard time, as filed.

Tornado, Corson

When: April 19, 3:00 PM CST
Where: Corson County
Rating: F0
Path length: 7.2 mi
Path width: 50 yd
Injuries: 2 direct, 0 indirect
Property damage: $3,000
Coordinates: 45.470, -100.900

Tornado, Walworth

When: April 19, 3:00 PM CST
Where: Walworth County
Rating: F1
Path length: 4.6 mi
Path width: 33 yd
Property damage: $250
Coordinates: 45.330, -100.120

Tornado, Dewey

When: April 19, 3:00 PM CST
Where: Dewey County
Rating: F2
Path width: 30 yd
Property damage: $3,000
Coordinates: 45.050, -101.170

Tornado, Potter

When: April 19, 3:00 PM CST
Where: Potter County
Rating: F2
Path length: 2.3 mi
Path width: 100 yd
Property damage: $3,000
Coordinates: 45.930, -99.830

Tornado, Potter

When: April 19, 3:00 PM CST
Where: Potter County
Rating: F2
Path length: 10.8 mi
Path width: 67 yd
Property damage: $250
Coordinates: 45.020, -99.930

Tornado, Corson

When: April 19, 3:50 PM CST
Where: Corson County
Rating: F0
Path length: 3.8 mi
Path width: 50 yd
Property damage: $250
Coordinates: 45.470, -100.780

Tornado, Potter

When: April 19, 4:08 PM CST
Where: Potter County
Rating: F2
Path length: 18.2 mi
Path width: 27 yd
Property damage: $3,000
Coordinates: 45.020, -100.120

Tornado, Brown

When: April 19, 6:00 PM CST
Where: Brown County
Rating: F2
Path length: 4.6 mi
Path width: 50 yd
Property damage: $250
Coordinates: 45.500, -98.500

Tornado, Edmunds

When: April 19, 6:05 PM CST
Where: Edmunds County
Rating: F2
Path length: 8.2 mi
Path width: 100 yd
Coordinates: 45.250, -99.170

What these are

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

Every storm in South Dakota in 1955 Every state in 1955 This day in weather history The tornado archive for South Dakota, 1955

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: 10110993, 10110994, 10110995, 10110996, 10110997, 10110998, 10110999, 10111000, 10111001.