South Dakota, 2014

Hail in South Dakota, July 10, 2014

July 10, 2014 · NWS UNR · 5 events in 2 counties and zones

A severe thunderstorm developed west of Rapid City and tracked southeastward across the eastern slopes of the Black Hills. Hail to golf ball size fell with the storm.

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
5

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 west of Rapid City and tracked southeastward across the eastern slopes of the Black Hills. Hail to golf ball size fell with the storm.

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.

NWS Rapid City, SD wrote its last area forecast discussion before the first event at Jul 10, 10:34 AM MST, 2 hours 26 minutes earlier.

Area forecast discussion, Jul 10, 10:34 AM MST, 2 hours 26 minutes before
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Hazardous weather outlook, Jul 10, 3:25 AM MST, 9 hours 35 minutes before
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The radar

The Rapid City radar (KUDX), 48 km away, was scanning. The volume nearest the first event began at 19:58 UTC.

Open the radar archive at this moment

Event by event

5 hail. Local standard time, as filed.

Hail, Pennington

When
July 10, 1:00 PM MST
Where
Pennington County, Johnson Siding
Measured
1 in hail
Reported by
Amateur Radio
Coordinates
44.080, -103.430

Hail, Pennington

When
July 10, 1:00 PM MST
Where
Pennington County, 1.46 mi S of Pactola Reservoir
Measured
1.75 in hail
Reported by
Trained Spotter
Coordinates
44.049, -103.476

Hail, Pennington

When
July 10, 1:08 PM MST
Where
Pennington County, Hisega
Measured
1.5 in hail
Reported by
Trained Spotter
Coordinates
44.050, -103.400

Hail, Pennington

When
July 10, 1:50 PM MST
Where
Pennington County, Keystone
Measured
0.88 in hail
Reported by
Trained Spotter
Coordinates
43.900, -103.420

Hail, Custer

When
July 10, 2:37 PM MST
Where
Custer County, 9.83 mi WNW of Fairburn
Measured
1 in hail
Reported by
Park/Forest Service
Coordinates
43.763, -103.379

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 2014Every state in 2014This day in weather historyWarnings in South Dakota, July 2014

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: 527372, 527379, 527386, 527389, 527390.