Hail in South Dakota, June 28, 2017

Name: Hail in South Dakota, June 28, 2017
Start: 2017-06-28T16:14
End: 2017-06-28T16:45
Location: South Dakota

June 28, 2017 · NWS UNR · 4 events in 2 counties and zones

A thunderstorm became severe across the central Black Hills and tracked east onto the adjacent plains before weakening. The storm produced hail to golf ball size from Sheridan Lake to east of Hermosa.

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: 4

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.

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 28, 4:05 PM MST, 9 minutes earlier.

Area forecast discussion, Jun 28, 4:05 PM MST, 9 minutes before

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Hazardous weather outlook, Jun 28, 3:22 AM MST, 12 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Rapid City SD
422 AM MDT Wed Jun 28 2017

SDZ024>030-041-042-072-074-WYZ054>058-071-291300-
Northern Black Hills-Northern Foot Hills-Rapid City-
Southern Foot Hills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Fall River-Oglala Lakota-
Sturgis/Piedmont Foot Hills-Hermosa Foot Hills-Northern Campbell-
Southern Campbell-Western Crook-Wyoming Black Hills-Weston-
Northeastern Crook-
422 AM MDT Wed Jun 28 2017

This Hazardous weather outlook is for portions of the Black Hills
of South Dakota...western South Dakota...northeast Wyoming...and
the Black Hills of Wyoming.

.DAY ONE...Today and Tonight

Expected scattered thunderstorms today and tonight. Isolated
severe thunderstorms with marginally severe hail and damaging
winds are possible this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Scattered thunderstorms will occur during the day Thursday, but
organized severe thunderstorms are not expected.

.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>014-031-032-043-046-073-291300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
Pennington Co Plains-Haakon-Jackson-Mellette-
Southern Meade Co Plains-
422 AM MDT Wed Jun 28 2017 /522 AM CDT Wed Jun 28 2017/

This Hazardous weather outlook is for portions of south central
South Dakota...and western South Dakota.

.DAY ONE...Today and Tonight

Scattered thunderstorms will occur today, but organized severe
thunderstorms are not expected.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Scattered thunderstorms will occur through sunset Thursday, but
organized severe thunderstorms are not expected.

.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

SDZ044-047-049-291300-
Bennett-Todd-Tripp-
422 AM MDT Wed Jun 28 2017 /522 AM CDT Wed Jun 28 2017/

This Hazardous weather outlook is for portions of south central
South Dakota...and western South Dakota.

.DAY ONE...Today and Tonight

Scattered thunderstorms will occur today, but organized severe
thunderstorms are not expected.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Scattered thunderstorms will occur Thursday. Isolated severe
thunderstorms with marginally severe hail and damaging winds are
possible Thursday afternoon and early evening.

.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 28, 2:30 PM MST, 1 hour 44 minutes before

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Special weather statement, Jun 28, 2:48 PM MST, 1 hour 26 minutes before

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Local storm report, Jun 28, 3:15 PM MST, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
415 PM MDT WED JUN 28 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0410 PM     TSTM WND GST     HULETT                  44.68N 104.60W
06/28/2017  M60 MPH          CROOK              WY   TRAINED SPOTTER

&&

KCLARK

Special weather statement, Jun 28, 3:17 PM MST, 57 minutes before

Special Weather Statement
National Weather Service Rapid City SD
417 PM MDT WED JUN 28 2017

SDZ027-029-030-074-282245-
Custer Co Plains SD-Hermosa Foot Hills SD-Southern Foot Hills SD-
Southern Black Hills SD-
417 PM MDT WED JUN 28 2017

...STRONG THUNDERSTORM OVER SOUTH CENTRAL CUSTER AND NORTHEASTERN
FALL RIVER COUNTIES...

At 417 PM MDT, Doppler radar was tracking a strong thunderstorm near
Wind Cave Visitors Center, or near Hot Springs, moving northeast at
30 mph.

Dime size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Hot Springs, Buffalo Gap, Wind Cave National Park, Cold Brook
Reservoir, Wind Cave Visitors Center and southeastern Custer State
Park.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4356 10358 4373 10326 4351 10302 4347 10318
      4348 10322 4345 10326 4340 10346
TIME...MOT...LOC 2217Z 240DEG 28KT 4352 10343

JC

Special weather statement, Jun 28, 3:49 PM MST, 25 minutes before

Special Weather Statement
National Weather Service Rapid City SD
449 PM MDT WED JUN 28 2017

SDZ030-041-042-282315-
Custer Co Plains SD-Fall River SD-Oglala Lakota SD-
449 PM MDT WED JUN 28 2017

...STRONG THUNDERSTORM OVER SOUTH CENTRAL CUSTER...NORTHWESTERN
OGLALA LAKOTA AND NORTHEASTERN FALL RIVER COUNTIES...

At 448 PM MDT, Doppler radar was tracking a strong thunderstorm 7
miles west of Intersection of Red Shirt and Cuny Table Roads, or 23
miles east of Hot Springs, moving east at 35 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Red Shirt Table Overlook and Intersection of Red Shirt and Cuny Table
Roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4337 10307 4355 10316 4367 10277 4341 10260
TIME...MOT...LOC 2248Z 258DEG 30KT 4350 10301

JC

Special weather statement, Jun 28, 3:51 PM MST, 23 minutes before

Special Weather Statement
National Weather Service Rapid City SD
451 PM MDT WED JUN 28 2017

SDZ012-024-025-282315-
Northern Black Hills SD-Butte SD-Northern Foot Hills SD-
451 PM MDT WED JUN 28 2017

...STRONG THUNDERSTORM OVER SOUTHWESTERN BUTTE AND NORTHERN LAWRENCE
COUNTIES...

At 451 PM MDT, Doppler radar was tracking a strong thunderstorm near
Beulah, or 7 miles northwest of Spearfish, moving east at 40 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Spearfish, southern Belle Fourche, Lead, Deadwood, Whitewood, Saint
Onge, Central City, Crow Peak, Bridal Veil Falls and Spearfish
Canyon.

This Includes...
 Interstate 90 in South Dakota between Mile Markers 1 and 25.
 Interstate 90 in Wyoming near Mile Marker 207.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4461 10357 4429 10367 4442 10406 4469 10406
TIME...MOT...LOC 2251Z 287DEG 35KT 4458 10398

JC

The radar

The Rapid City radar (KUDX), 54 km away, was scanning. The volume nearest the first event began at 23:16 UTC.

Open the radar archive at this moment

Event by event

4 hail. Local standard time, as filed.

Hail, Pennington

When: June 28, 4:14 PM MST
Where: Pennington County, 0.29 mi ENE of Sheridan Lake
Measured: 1.75 in hail
Reported by: Trained Spotter
Coordinates: 43.981, -103.474

Hail, Pennington

When: June 28, 4:25 PM MST
Where: Pennington County, 2 mi SW of Rockerville
Measured: 1.5 in hail
Reported by: Public
Coordinates: 43.940, -103.388

Hail, Pennington

When: June 28, 4:25 PM MST
Where: Pennington County, Rockerville
Measured: 0.88 in hail
Reported by: Fire Department/Rescue
Coordinates: 43.960, -103.360

Hail, Custer

When: June 28, 4:45 PM MST
Where: Custer County, 3 mi ESE of Hermosa
Measured: 1 in hail
Reported by: Public
Coordinates: 43.823, -103.134

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 2017 Every state in 2017 This day in weather history Warnings 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 2026-10-01. Each event’s entry at NCEI: 697051, 697053, 699534, 697056.