South Dakota, 2016

Hail in South Dakota, July 20, 2016

July 20, 2016 · NWS UNR · 3 events in 2 counties and zones

A severe thunderstorm developed over far eastern Harding County and moved eastward across central Perkins County before weakening. The storm produced large hail from Reva to southeast of Bison.

Where it happened

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  • 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
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 developed over far eastern Harding County and moved eastward across central Perkins County before weakening. The storm produced large hail from Reva to southeast of Bison.

The radar

The Rapid City radar (KUDX), 160 km away, was scanning. The volume nearest the first event began at 21:15 UTC.

Open the radar archive at this moment

Event by event

3 hail. Local standard time, as filed.

Hail, Harding

When
July 20, 2:15 PM MST to 2:25 PM MST
Where
Harding County, Reva
Measured
1.5 in hail
Reported by
Law Enforcement
Coordinates
45.550, -103.080

Hail, Perkins

When
July 20, 2:53 PM MST to 3:00 PM MST
Where
Perkins County, Prairie City
Measured
1.5 in hail
Reported by
Trained Spotter
Coordinates
45.530, -102.820

Hail, Perkins

When
July 20, 3:46 PM MST
Where
Perkins County, 6 mi SSE of Bison
Measured
1.75 in hail
Reported by
Trained Spotter
Coordinates
45.440, -102.423

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

More

Every storm in South Dakota in 2016Every state in 2016This day in weather historyWarnings in South Dakota, July 2016

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 2026-09-30. Each event’s entry at NCEI: 644646, 644649, 644650.