South Dakota, 2009

Hail and Damaging Wind in South Dakota, June 30, 2009

June 30, 2009 · NWS UNR · 3 events in 1 county or zone

A supercell thunderstorm moved southeast from Montana and produced large hail and strong wind gusts across Harding County.

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 supercell thunderstorm moved southeast from Montana and produced large hail and strong wind gusts across Harding County.

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 Jun 30, 6:30 PM MST, 1 hour 25 minutes earlier.

Area forecast discussion, Jun 30, 6:30 PM MST, 1 hour 25 minutes before
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Hazardous weather outlook, Jun 30, 5:22 AM MST, 14 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
622 AM MDT TUE JUN 30 2009

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-011300-
BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON-
HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK-
NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS-
NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY-
SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS-
SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP-
WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH-
622 AM MDT (722 AM CDT) TUE JUN 30 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.

.DAY ONE...TODAY AND TONIGHT

THERE WILL BE A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
NORTHEAST WYOMING AND FAR WESTERN SOUTH DAKOTA THIS AFTERNOON AND
EVENING. STRONG WINDS AND LARGE HAIL ARE THE PRIMARY CONCERN.
WITH THE COMBINATION OF STRONG INSTABILITY AND THE PRESENCE OF A
FRONTAL BOUNDARY IN THE AREA...THERE IS A MINIMAL TORNADO THREAT
WITH THESE STORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS WILL REMAIN IN THE
FORECAST EACH DAY THIS WEEK. THERE WILL BE A SLIGHT RISK OF SEVERE
STORMS AGAIN ON WEDNESDAY ACROSS SOUTHERN PORTIONS OF SOUTH DAKOTA.
SEVERE STORMS ARE NOT EXPECTED TO BE WIDESPREAD FROM THURSDAY THROUGH
THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY.

The radar

The Rapid City radar (KUDX), 218 km away, was scanning. The volume nearest the first event began at 02:56 UTC.

Open the radar archive at this moment

Event by event

2 hail, 1 thunderstorm wind. Local standard time, as filed.

Hail, Harding

When
June 30, 7:55 PM MST
Where
Harding County, 13.86 mi WNW of Ladner
Measured
1 in hail
Reported by
Trained Spotter
Coordinates
45.900, -104.000

Hail, Harding

When
June 30, 8:10 PM MST to 8:15 PM MST
Where
Harding County, 11.16 mi W of Ladner
Measured
1.25 in hail
Reported by
Public
Coordinates
45.810, -103.960

Thunderstorm Wind, Harding

When
June 30, 8:21 PM MST to 8:40 PM MST
Where
Harding County, (2wx)buffalo
Measured
62 kt (71 mph) measured gust
Reported by
ASOS
Coordinates
45.600, -103.550

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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 South Dakota in 2009Every state in 2009This day in weather historyWarnings in South Dakota, June 2009

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 2026-10-01. Each event’s entry at NCEI: 169853, 169854, 169855.