Hail in South Dakota, May 31, 2020

Name: Hail in South Dakota, May 31, 2020
Start: 2020-05-31T18:45
End: 2020-05-31T19:00
Location: South Dakota

May 31, 2020 · NWS UNR · 3 events in 1 county or zone

A severe thunderstorm produced hail to golf ball size in the Camp Crook area.

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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 3

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.

What happened

The episode as NWS UNR wrote it up.

A severe thunderstorm produced hail to golf ball size in the Camp Crook area.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 31, 5:09 PM MST, 1 hour 36 minutes before

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Special weather statement, May 31, 5:19 PM MST, 1 hour 26 minutes before

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Local storm report, May 31, 6:39 PM MST, 6 minutes before

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The radar

The Rapid City radar (KUDX), 183 km away, was scanning. The volume nearest the first event began at 01:44 UTC.

Open the radar archive at this moment

Event by event

3 hail. Local standard time, as filed.

Hail, Harding

When: May 31, 6:45 PM MST
Where: Harding County, Camp Crook
Measured: 1.75 in hail
Reported by: Storm Chaser
Coordinates: 45.550, -103.980

Hail, Harding

When: May 31, 7:00 PM MST
Where: Harding County, Camp Crook
Measured: 1.5 in hail
Reported by: Public
Coordinates: 45.550, -103.980

Hail, Harding

When: May 31, 7:00 PM MST
Where: Harding County, 2 mi N of Camp Crook
Measured: 1.75 in hail
Reported by: Public
Coordinates: 45.579, -103.980

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

Every storm in South Dakota in 2020 Every state in 2020 This day in weather history Warnings in South Dakota, May 2020

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: 891553, 891555, 891556.