Alert archive / Wyoming / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 99, NWS Rapid City, SD

June 28, 2016Campbell County, Wyoming

NWS Rapid City, SD issued this severe thunderstorm warning at Jun 28, 2016, 6:46 PM MDT for Campbell County, Wyoming. It was in force for 59 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 28, 2016, 6:46 PM MDT (00:46 UTC)
Expired
Jun 28, 2016, 7:45 PM MDT
In force
59 min
Issued by
NWS Rapid City, SD
Area
Storm-based polygon
Hail
1.25 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 00:47 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 28, 1:37 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 0.8 hours before the alert went out and 214 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Rapid City, SD at 00:00Z on 2016-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2016-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3566 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 28, 6:19 PM MDT, 27 minutes earlier.

Area forecast discussion, Jun 28, 6:19 PM MDT, 27 minutes before
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Hazardous weather outlook, Jun 28, 4:00 AM MDT, 14 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
400 AM MDT TUE JUN 28 2016

SDZ002-014-032-046-049-291000-
PERKINS-ZIEBACH-HAAKON-MELLETTE-TRIPP-
400 AM MDT TUE JUN 28 2016 /500 AM CDT TUE JUN 28 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWESTERN
SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA...AND SOUTHWESTERN
SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND OVERNIGHT. THERE IS
A MARGINAL RISK OF STORMS BECOMING SEVERE...WITH LARGE HAIL AND
DAMAGING WINDS POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

CHANCES FOR THUNDERSTORMS WILL CONTINUE THROUGH THE WEEK...AND
ISOLATED SEVERE STORMS WILL BE POSSIBLE. ON WEDNESDAY THERE IS A
MARGINAL TO SLIGHT RISK OF SEVERE WEATHER FOR CENTRAL INTO SOUTH
CENTRAL SOUTH DAKOTA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

SDZ001-012-013-024>031-041>044-047-072>074-WYZ054>058-071-291000-
HARDING-BUTTE-NORTHERN MEADE CO PLAINS-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-
TODD-STURGIS/PIEDMONT FOOT HILLS-SOUTHERN MEADE CO PLAINS-
HERMOSA FOOT HILLS-NORTHERN CAMPBELL-SOUTHERN CAMPBELL-
WESTERN CROOK-WYOMING BLACK HILLS-WESTON-NORTHEASTERN CROOK-
400 AM MDT TUE JUN 28 2016 /500 AM CDT TUE JUN 28 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWESTERN
SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA...SOUTHWESTERN SOUTH
DAKOTA...THE BLACK HILLS OF SOUTH DAKOTA...AND NORTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND OVERNIGHT. THERE IS
A SLIGHT RISK OF STORMS BECOMING SEVERE...WITH LARGE HAIL AND
DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

CHANCES FOR THUNDERSTORMS WILL CONTINUE THROUGH THE WEEK...AND
ISOLATED SEVERE STORMS WILL BE POSSIBLE. ON WEDNESDAY THERE IS A
MARGINAL TO SLIGHT RISK OF SEVERE WEATHER FOR PORTIONS OF WESTERN
SOUTH DAKOTA AND NORTHEASTERN WYOMING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

In the hours before

Local storm report, Jun 28, 5:33 PM MDT, 1 hour 13 minutes before
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Local storm report, Jun 28, 5:38 PM MDT, 1 hour 8 minutes before
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Local storm report, Jun 28, 5:44 PM MDT, 1 hour 2 minutes before
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Local storm report, Jun 28, 5:47 PM MDT, 59 minutes before
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Local storm report, Jun 28, 5:48 PM MDT, 58 minutes before
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Local storm report, Jun 28, 6:36 PM MDT, 10 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 3:22 AM MDTSpecial Weather StatementUNRHarding38 min
Jun 29, 1:52 PM MDTSpecial Weather StatementUNRCuster38 min
Jun 29, 1:58 PM MDTSevere Thunderstorm WarningUNRHarding44 min
Jun 29, 2:31 PM MDTSpecial Weather StatementUNRFall River29 min
Jun 29, 2:39 PM MDTSevere Thunderstorm WarningUNRButte, Harding66 min
Jun 29, 3:33 PM MDTSevere Thunderstorm WarningUNRButte57 min
Jun 29, 4:02 PM MDTSpecial Weather StatementUNRZiebach43 min
Jun 29, 4:32 PM MDTSevere Thunderstorm WarningUNRButte, Haakon, Meade, Pennington, Ziebach58 min
Jun 29, 5:11 PM MDTSevere Thunderstorm WarningUNRHaakon, Jackson, Meade, Pennington64 min
Jun 29, 5:14 PM MDTSpecial Weather StatementUNRPennington61 min
Jun 29, 4:11 PM MDTSpecial Weather StatementUNRCrook34 min
Jun 29, 4:54 PM MDTSpecial Weather StatementUNRCrook36 min
Jun 29, 5:33 PM MDTSpecial Weather StatementUNRCrook42 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2016Every severe thunderstorm warning in 2016

Sources

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