Alert archive / South Dakota / Special Weather Statements in 2016
Special Weather Statement, NWS Rapid City, SD
NWS Rapid City, SD issued this special weather statement at Jun 21, 2016, 6:21 PM MDT for Perkins County, South Dakota. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 21, 2016, 6:21 PM MDT (00:21 UTC)
- Expired
- Jun 21, 2016, 6:45 PM MDT
- In force
- 24 min
- Issued by
- NWS Rapid City, SD
County Perkins County, SD
The radar
The Rapid City radar (KUDX), 119 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.
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 0.4 hours before the alert went out and 126 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.
- Mixed-layer CAPE
- 1016 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 3436 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jun 21, 5:22 PM MDT, 59 minutes earlier.
Area forecast discussion, Jun 21, 5:22 PM MDT, 59 minutes before
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</html>Hazardous weather outlook, Jun 21, 11:18 AM MDT, 7 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 1118 AM MDT TUE JUN 21 2016 WYZ054>056-058-071-221300- NORTHERN CAMPBELL-SOUTHERN CAMPBELL-WESTERN CROOK-WESTON- NORTHEASTERN CROOK- 1118 AM MDT TUE JUN 21 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT GUSTY SOUTHWEST WINDS AND LOW RELATIVE HUMIDITY WILL RESULT IN A PERIOD OF CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING. A COLD FRONT WILL MOVE THROUGH EARLY THIS EVENING WITH A PERIOD OF STRONGER NORTHWEST WINDS. ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS PORTIONS OF FAR NORTHEAST WYOMING. SEVERE THUNDERSTORMS ARE NOT EXPECTED AT THIS TIME...BUT GUSTY WINDS ARE POSSIBLE WITH ANY STORMS THAT DEVELOP. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .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 SDZ001-002-012>014-031-032-043-046-047-049-073-221300- HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH- PENNINGTON CO PLAINS-HAAKON-JACKSON-MELLETTE-TODD-TRIPP- SOUTHERN MEADE CO PLAINS- 1118 AM MDT TUE JUN 21 2016 /1218 PM CDT TUE JUN 21 2016/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWESTERN SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA...AND SOUTHWESTERN SOUTH DAKOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS AFTERNOON AND EVENING. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS...WITH LARGE HAIL AND DAMAGING WINDS THE MAIN CONCERNS. A COLD FRONT WILL MOVE THROUGH LATER THIS EVENING WITH A PERIOD OF GUSTY NORTHWEST WINDS OVERNIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .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 SDZ024>030-041-042-044-072-074-WYZ057-221300- NORTHERN BLACK HILLS-NORTHERN FOOT HILLS-RAPID CITY- SOUTHERN FOOT HILLS-CENTRAL BLACK HILLS-SOUTHERN BLACK HILLS- CUSTER CO PLAINS-FALL RIVER-OGLALA LAKOTA-BENNETT- STURGIS/PIEDMONT FOOT HILLS-HERMOSA FOOT HILLS- WYOMING BLACK HILLS- 1118 AM MDT TUE JUN 21 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWESTERN SOUTH DAKOTA...SOUTHWESTERN SOUTH DAKOTA...THE BLACK HILLS OF SOUTH DAKOTA...AND NORTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS AFTERNOON AND EARLY EVENING. THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS...WITH HAIL AND STRONG WIND GUSTS THE MAIN CONCERNS. A COLD FRONT WILL MOVE THROUGH LATER THIS EVENING AND OVERNIGHT. A PERIOD OF GUSTY NORTHWEST WINDS IS EXPECTED BEHIND THE COLD FRONT OVERNIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .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
Special weather statement, Jun 21, 1:45 PM MDT, 4 hours 36 minutes before
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</html>Special weather statement, Jun 21, 4:20 PM MDT, 2 hours 1 minute before
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</html>Special weather statement, Jun 21, 5:07 PM MDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RAPID CITY SD 507 PM MDT TUE JUN 21 2016 SDZ031-032-073-212330- PENNINGTON CO PLAINS SD-HAAKON SD-SOUTHERN MEADE CO PLAINS SD- 507 PM MDT TUE JUN 21 2016 ...SPECIAL WEATHER STATEMENT... AT 507 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER ELM SPRINGS...OR 39 MILES EAST OF RAPID CITY...MOVING EAST AT 30 MPH. HALF INCH HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... ELM SPRINGS AND CREIGHTON. 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. && A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT FOR WEST CENTRAL SOUTH DAKOTA. LAT...LON 4420 10256 4438 10254 4442 10200 4415 10200 TIME...MOT...LOC 2307Z 276DEG 24KT 4429 10250 CARSTENS
Special weather statement, Jun 21, 6:21 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RAPID CITY SD 621 PM MDT TUE JUN 21 2016 SDZ002-220045- PERKINS SD- 621 PM MDT TUE JUN 21 2016 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PERKINS COUNTY UNTIL 645 PM MDT... AT 621 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 10 MILES NORTH OF MAURINE...OR 29 MILES WEST OF FAITH...MOVING EAST AT 35 MPH. HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... USTA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT FOR NORTHWESTERN SOUTH DAKOTA. LAT...LON 4505 10274 4529 10274 4540 10209 4505 10206 TIME...MOT...LOC 0021Z 263DEG 32KT 4517 10260 MCKEMY
The office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 6:42 PM MDT | Special Weather Statement | UNR | Harding | 33 min |
| Jun 21, 7:08 PM MDT | Special Weather Statement | UNR | Jackson | 52 min |
| Jun 21, 7:53 PM MDT | Special Weather Statement | UNR | Mellette | 52 min |
| Jun 21, 8:29 PM MDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 37 min |
| Jun 21, 8:49 PM MDT | Special Weather Statement | UNR | Jones | 11 min |
| Jun 21, 8:52 PM MDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 23 min |
Nearby
Special Weather Statements in South Dakota, 2016Every special weather statement 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.