Alert archive / Wyoming / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 33, NWS Rapid City, SD

June 7, 2017Campbell County, Wyoming

NWS Rapid City, SD issued this severe thunderstorm warning at Jun 7, 2017, 6:19 PM MDT for Campbell County, Wyoming. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 7, 2017, 6:19 PM MDT (00:19 UTC)
Expired
Jun 7, 2017, 7:15 PM MDT
In force
56 min
Issued by
NWS Rapid City, SD
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

County Campbell County, WY

The radar

The Rapid City radar (KUDX), 217 km from the middle of the area, began a volume at 00:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Jun 7, 5:42 PM MDT, 37 minutes earlier.

Area forecast discussion, Jun 7, 5:42 PM MDT, 37 minutes before
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Hazardous weather outlook, Jun 7, 5:33 AM MDT, 12 hours 46 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, 3:23 PM MDT, 2 hours 56 minutes before
Special Weather Statement
National Weather Service Rapid City SD
323 PM MDT WED JUN 7 2017

SDZ024-028-072200-
Northern Black Hills SD-Central Black Hills SD-
323 PM MDT WED JUN 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN LAWRENCE AND WEST
CENTRAL PENNINGTON COUNTIES UNTIL 400 PM MDT...

At 322 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near O'neil Pass to Rochford. Movement was
southeast at 15 mph.

Dime size hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Rochford, Mystic, Crooks Tower, O'neil Pass and Black Fox Campground.

LAT...LON 4413 10405 4400 10364 4416 10362 4430 10406
TIME...MOT...LOC 2122Z 312DEG 15KT 4424 10405 4413 10374

Richards
Special weather statement, Jun 7, 3:31 PM MDT, 2 hours 48 minutes before
Special Weather Statement
National Weather Service Rapid City SD
331 PM MDT WED JUN 7 2017

SDZ028-029-072200-
Central Black Hills SD-Southern Black Hills SD-
331 PM MDT WED JUN 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CUSTER AND
SOUTHWESTERN PENNINGTON COUNTIES UNTIL 400 PM MDT...

At 330 PM MDT, Doppler radar was tracking a strong thunderstorm over
Mount Rushmore KOA, or over Hill City, moving southeast at 10 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Hill City, Keystone, Sheridan Lake, Mount Rushmore National Memorial,
Keystone Wye, Black Elk Peak, Sylvan Lake, Mount Rushmore KOA,
Horsethief Lake and northwestern Custer State Park.

LAT...LON 4393 10366 4402 10353 4389 10332 4378 10361
TIME...MOT...LOC 2130Z 318DEG 11KT 4392 10353

Richards
Special weather statement, Jun 7, 4:11 PM MDT, 2 hours 8 minutes before
Special Weather Statement
National Weather Service Rapid City SD
411 PM MDT WED JUN 7 2017

SDZ028-029-072245-
Central Black Hills SD-Southern Black Hills SD-
411 PM MDT WED JUN 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL CUSTER AND SOUTH
CENTRAL PENNINGTON COUNTIES UNTIL 445 PM MDT...

At 411 PM MDT, Doppler radar was tracking a strong thunderstorm over
Mount Rushmore National Memorial, or 7 miles southeast of Hill City,
moving southeast at 5 mph.

Dime size hail will be possible with this storm.

Locations impacted include...
Keystone, Mount Rushmore National Memorial, Center Lake, Horsethief
Lake, Legion Lake and Custer State Park.

LAT...LON 4374 10346 4387 10354 4392 10345 4383 10331
      4380 10332
TIME...MOT...LOC 2211Z 325DEG 6KT 4386 10346

Carstens
Special weather statement, Jun 7, 4:43 PM MDT, 1 hour 36 minutes before
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Special weather statement, Jun 7, 5:05 PM MDT, 1 hour 14 minutes before
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Local storm report, Jun 7, 5:50 PM MDT, 29 minutes before
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The office that day

Everything else NWS Rapid City, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 6:02 PM MDTSpecial Weather StatementUNRCuster28 min
Jun 7, 6:24 PM MDTSpecial Weather StatementUNRCrook36 min
Jun 7, 6:56 PM MDTSpecial Weather StatementUNRCrook34 min
Jun 7, 7:12 PM MDTSevere Thunderstorm WarningUNRCampbell33 min
Jun 7, 7:27 PM MDTSpecial Weather StatementUNRWeston33 min
Jun 7, 7:58 PM MDTSpecial Weather StatementUNRCrook32 min
Jun 7, 8:00 PM MDTSpecial Weather StatementUNRWeston30 min
Jun 7, 8:05 PM MDTSevere Thunderstorm WarningUNRCrook21 min
Jun 7, 8:35 PM MDTSpecial Weather StatementUNRWeston25 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2017Every severe thunderstorm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.