Hail, Pennington
- When
- June 7, 12:55 PM MST
- Where
- Pennington County, 2.55 mi NW of Mystic
- Measured
- 1 in hail
- Reported by
- Trained Spotter
- Coordinates
- 44.110, -103.660
Hail to quarter size covered the ground.
Hail in South Dakota, June 7, 2017
A severe thunderstorm developed over the northern Black Hills, producing lots of hail to quarter size near Mystic.
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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 the northern Black Hills, producing lots of hail to quarter size near Mystic.
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 7, 10:21 AM MST, 2 hours 34 minutes earlier.
Area forecast discussion, Jun 7, 10:21 AM MST, 2 hours 34 minutes before
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</html>Hazardous weather outlook, Jun 7, 4:33 AM MST, 8 hours 22 minutes before
Hazardous Weather Outlook National Weather Service Rapid City SD 533 AM MDT Wed Jun 7 2017 SDZ024>031-041>044-046-047-049-072>074-WYZ054>058-071-081300- Northern Black Hills-Northern Foot Hills-Rapid City- Southern Foot Hills-Central Black Hills-Southern Black Hills- Custer Co Plains-Pennington Co Plains-Fall River-Oglala Lakota- Jackson-Bennett-Mellette-Todd-Tripp-Sturgis/Piedmont Foot Hills- Southern Meade Co Plains-Hermosa Foot Hills-Northern Campbell- Southern Campbell-Western Crook-Wyoming Black Hills-Weston- Northeastern Crook- 533 AM MDT Wed Jun 7 2017 /633 AM CDT Wed Jun 7 2017/ This Hazardous weather outlook is for portions of south central South Dakota...the Black Hills of South Dakota...western South Dakota...northeast Wyoming...and the Black Hills of Wyoming. .DAY ONE...Today and Tonight Thunderstorms are possible this afternoon and tonight. Isolated severe thunderstorms may occur from about 300 PM to 900 PM. Large hail and damaging wind gusts will be the main threat. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thunderstorms are possible late Thursday afternoon and evening. Isolated severe thunderstorms may occur from about 500 PM to 1000 PM. Large hail and damaging wind gusts will be the main threat. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today. && Stay tuned to NOAA weather radio for further updates...or check our web site at weather.gov/rapidcity SDZ001-002-012>014-032-081300- Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-Haakon- 533 AM MDT Wed Jun 7 2017 This Hazardous weather outlook is for portions of western South Dakota. .DAY ONE...Today and Tonight Isolated thunderstorms are possible later tonight. Severe thunderstorms are not expected. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thunderstorms are possible late Thursday afternoon and evening. Isolated severe thunderstorms may occur from about 500 PM to 1000 PM. Large hail and damaging wind gusts will be the main threat. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today. && Stay tuned to NOAA weather radio for further updates...or check our web site at weather.gov/rapidcity
In the hours before
Special weather statement, Jun 7, 11:38 AM MST, 1 hour 17 minutes before
Special Weather Statement
National Weather Service Rapid City SD
1238 PM MDT WED JUN 7 2017
SDZ024-028-071915-
Northern Black Hills SD-Central Black Hills SD-
1238 PM MDT WED JUN 7 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MEADE...SOUTHEASTERN
LAWRENCE AND WEST CENTRAL PENNINGTON COUNTIES UNTIL 115 PM MDT...
At 1238 PM MDT, Doppler radar was tracking a strong thunderstorm over
Roubaix Lake, or 9 miles southeast of Lead, moving southeast at 10
mph.
Dime size hail and winds in excess of 30 mph will be possible with
this storm.
Locations impacted include...
Rochford, Brownsville and Roubaix Lake.
LAT...LON 4420 10387 4434 10377 4431 10353 4429 10350
4405 10361
TIME...MOT...LOC 1838Z 294DEG 9KT 4423 10367
RichardsThe radar
The Rapid City radar (KUDX), 66 km away, was scanning. The volume nearest the first event began at 19:53 UTC.
Event by event
1 hail. Local standard time, as filed.
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
- Heat in Texas, June 7, 2017
- Wildfire in Arizona, June 7 to 30, 2017
- Wildfire in Arizona, June 7 to 30, 2017
- Damaging Winds in Florida, June 7, 2017
- Tornadoes and Hail in North Dakota, June 7, 2017
- Marine Thunderstorm Winds in Gulf of Mexico, June 7, 2017
- Marine Thunderstorm Winds in Gulf of Mexico, June 7, 2017
- Hail and Damaging Wind in Nebraska, June 7, 2017
- Marine Thunderstorm Winds in South Atlantic Coastal Waters, June 7, 2017
- Marine Thunderstorm Winds and Waterspout in South Atlantic Coastal Waters, June 7, 2017
- Hail in New Mexico, June 7, 2017
- Flooding and Heavy Rain in Florida, June 7 to 8, 2017
More
Every storm in South Dakota in 2017Every state in 2017This day in weather historyWarnings in South Dakota, June 2017
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: 693531.