Alert archive / South Dakota / Wind Advisories in 2012
Wind Advisory 31, NWS Rapid City, SD
NWS Rapid City, SD issued this wind advisory at May 28, 2012, 3:41 AM MDT for 7 counties in South Dakota. It took effect at May 28, 2012, 10:00 AM MDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- May 28, 2012, 3:41 AM MDT (09:41 UTC)
- In effect from
- May 28, 2012, 10:00 AM MDT
- Expired
- May 28, 2012, 7:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS Rapid City, SD
Counties Butte County, SD, Haakon County, SD, Harding County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD, Ziebach County, SD
The radar
The Rapid City radar (KUDX), 81 km from the middle of the area, began a volume at 09:42 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 (KUNR), launched 00:00Z, 9.7 hours before the alert went out and 87 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3414 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
899 WWUS73 KUNR 280941 NPWUNR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RAPID CITY SD 341 AM MDT MON MAY 28 2012 .A TIGHT PRESSURE GRADIENT WILL PRODUCE VERY WINDY CONDITIONS TODAY OVER NORTHWESTERN SOUTH DAKOTA AND ON THE PLAINS EAST OF THE BLACK HILLS. SDZ001-002-012>014-026-031-032-072-073-281800- /O.NEW.KUNR.WI.Y.0031.120528T1600Z-120529T0100Z/ HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-RAPID CITY- PENNINGTON CO PLAINS-HAAKON-STURGIS/PIEDMONT FOOT HILLS- SOUTHERN MEADE CO PLAINS- INCLUDING THE CITIES OF...BUFFALO...LEMMON...BISON... BELLE FOURCHE...FAITH...DUPREE...RAPID CITY...WALL...PHILIP... STURGIS...UNION CENTER 341 AM MDT MON MAY 28 2012 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MDT THIS EVENING. * NORTHWEST WINDS WILL INCREASE THIS MORNING TO 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * THE WINDS WILL DIMINISH EARLY THIS EVENING. * DRIVERS OF LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD BE PREPARED TO ENCOUNTER SUDDEN WIND GUSTS THAT MAY CAUSE A LOSS OF CONTROL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS 30 MPH WINDS...OR GUSTS OVER 45 MPH...ARE EXPECTED OR OCCURRING. && $$
2 follow-up statements
679 WWUS73 KUNR 281722 NPWUNR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RAPID CITY SD 1122 AM MDT MON MAY 28 2012 .A TIGHT PRESSURE GRADIENT WILL PRODUCE VERY WINDY CONDITIONS TODAY OVER NORTHWESTERN SOUTH DAKOTA AND ON THE PLAINS EAST OF THE BLACK HILLS. SDZ001-002-012>014-026-031-032-072-073-290100- /O.CON.KUNR.WI.Y.0031.000000T0000Z-120529T0100Z/ HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-RAPID CITY- PENNINGTON CO PLAINS-HAAKON-STURGIS/PIEDMONT FOOT HILLS- SOUTHERN MEADE CO PLAINS- INCLUDING THE CITIES OF...BUFFALO...LEMMON...BISON... BELLE FOURCHE...FAITH...DUPREE...RAPID CITY...WALL...PHILIP... STURGIS...UNION CENTER 1122 AM MDT MON MAY 28 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING. * NORTHWEST WINDS OF TO 25 TO 35 MPH WITH GUSTS UP TO 45 MPH ARE EXPECTED. * THE WINDS WILL DIMINISH EARLY THIS EVENING. * DRIVERS OF LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD BE PREPARED TO ENCOUNTER SUDDEN WIND GUSTS THAT MAY CAUSE A LOSS OF CONTROL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS 30 MPH WINDS...OR GUSTS OVER 45 MPH...ARE EXPECTED OR OCCURRING. && $$
126 WWUS73 KUNR 290101 NPWUNR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RAPID CITY SD 701 PM MDT MON MAY 28 2012 SDZ001-002-012>014-026-031-032-072-073-290215- /O.EXP.KUNR.WI.Y.0031.000000T0000Z-120529T0100Z/ HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-RAPID CITY- PENNINGTON CO PLAINS-HAAKON-STURGIS/PIEDMONT FOOT HILLS- SOUTHERN MEADE CO PLAINS- INCLUDING THE CITIES OF...BUFFALO...LEMMON...BISON... BELLE FOURCHE...FAITH...DUPREE...RAPID CITY...WALL...PHILIP... STURGIS...UNION CENTER 701 PM MDT MON MAY 28 2012 ...WIND ADVISORY HAS EXPIRED... THE WIND ADVISORY IS NO LONGER IN EFFECT. $$
What forecasters said that day
The local office's own words before this wind advisory 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 wind advisory went out at May 28, 3:15 AM MDT, 26 minutes earlier.
Area forecast discussion, May 28, 3:15 AM MDT, 26 minutes before
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
315 AM MDT MON MAY 28 2012
.DISCUSSION...LATEST ANALYSIS SHOWS LOW PRESSURE CENTERED OVER
SOUTHERN SASKATCHEWAN WITH BANDS OF CLOUDS AND SHOWERS ROTATING
AROUND THE LOW AND ACROSS NORTHEASTERN WYOMING AND NORTHWESTERN SOUTH
DAKOTA. THE LOW PRESSURE SYSTEM WILL SLIDE EASTWARD ALONG THE
INTERNATIONAL BORDER TODAY WITH BANDS OF CLOUDS CONTINUING TO SPIN
ACROSS THE FORECAST AREA...PRODUCING ISOLATED SHOWERS...MAINLY
OVER NORTHEASTERN WYOMING...THE NORTHERN BLACK HILLS AND
NORTHWESTERN SOUTH DAKOTA. A TIGHT SFC PRESSURE GRADIENT WILL
PRODUCE VERY WINDY CONDITIONS ACROSS NORTHWESTERN SOUTH DAKOTA AND
ALSO ON THE PLAINS EAST OF THE BLACK HILLS FROM LATE THIS
AFTERNOON INTO EARLY THIS EVENING. MAINLY DIURNALLY DRIVEN SHOWERS WILL
END LATE THIS AFTN/EARLY THIS EVENING AND WINDS WILL ALSO DIMINISH
AS THE LOW PRESSURE SYSTEM MOVES FARTHER OFF TO THE EAST AND THE
SFC PRESSURE GRADIENT RELAXES. HIGH TEMPERATURES TODAY WILL RANGE
FROM THE MID 50S OVER NORTHEASTERN WYOMING AND NORTHWESTERN SOUTH
DAKOTA TO NEAR 70 OVER SOUTH CENTRAL SOUTH DAKOTA.
UPPER RIDGE BUILDS OVER THE AREA ON TUESDAY PRODUCING DRY WEATHER
UNDER MOSTLY SUNNY SKIES WITH HIGHS IN THE LOWER 60S TO LOWER 70S.
A COUPLE OF UPPER SHORTWAVES WILL BRING A CHANCE OF SHOWERS AND
THUNDERSTORMS ON TUESDAY NIGHT WITH A BETTER CHANCE ON WEDNESDAY.
HIGH TEMPERATURES ON WEDNESDAY WILL BE SLIGHTLY COOLER...IN THE
MID 50S TO THE MID 60S.
EXTENDED...UPPER LEVEL SHORTWAVE SHIFTS
EAST OF THE FORECAST AREA ON THURSDAY...AS SURFACE HIGH PRESSURE
SETTLES OVER THE CENTRAL PLAINS. CHANCES FOR RAIN SHOWERS AND A
FEW THUNDERSTORMS WILL WAIN LATE THURSDAY AFTERNOON AS MAIN ENERGY
SHIFTS EAST. MAINLY DRY WEATHER IS EXPECTED FOR FRIDAY INTO THE
WEEKEND...WITH THE EXCEPTION OF ISOLATED AFTERNOON THUNDERSTORMS
OVER THE BLACK HILLS. TEMPERATURES WILL WARM TO ABOVE AVERAGE BY
THE WEEKEND.
&&
.AVIATION...12Z TAFS
UPPER LEVEL LOW PRESSURE ALONG THE CANADIAN/US BORDER WILL CONTINUE
TO WRAP CLOUDS AND ISOLATED SHOWERS THROUGH NORTHERN PORTIONS OF
NORTHEAST WYOMING...THE BLACK HILLS...AND NORTHWEST SOUTH DAKOTA
TODAY. MAINLY VFR CONDITIONS ARE EXPECTED...WITH ISOLATED MVFR
VISIBILITIES NEAR RAIN SHOWERS.
&&
.UNR WATCHES/WARNINGS/ADVISORIES...
SD...WIND ADVISORY FROM 10 AM THIS MORNING TO 7 PM MDT THIS EVENING
FOR BUTTE-HAAKON-HARDING-NORTHERN MEADE CO PLAINS-
PENNINGTON CO PLAINS-PERKINS-RAPID CITY-SOUTHERN MEADE CO
PLAINS-STURGIS/PIEDMONT FOOT HILLS-ZIEBACH.
WY...NONE.
&&Hazardous weather outlook, May 27, 4:24 PM MDT, 11 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 341 AM MDT SUN MAY 27 2012 SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-281400- BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON- HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK- NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS- NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY- SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS- SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP- WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH- 341 AM MDT (441 AM CDT) SUN MAY 27 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS OVER NORTHEASTERN WYOMING AND FAR WESTERN SOUTH DAKOTA THIS AFTERNOON AND EVENING. SEVERE STORMS ARE NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A COLD FRONT WILL CROSS THE AREA ON MONDAY...FOLLOWED BY STRONG NORTHWESTERLY WINDS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
The office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 6:15 PM MDT | Special Weather Statement | UNR | Perkins | 60 min |
| May 27, 7:14 PM MDT | Special Weather Statement | UNR | Perkins | 61 min |
Nearby
Wind Advisories in South Dakota, 2012Every wind advisory in 2012
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.