Alert archive / South Dakota / Wind Advisories in 2012
Wind Advisory 21, NWS Rapid City, SD
NWS Rapid City, SD issued this wind advisory at Apr 11, 2012, 3:49 AM MDT for 8 counties in South Dakota. It took effect at Apr 11, 2012, 10:00 AM MDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Apr 11, 2012, 3:49 AM MDT (09:49 UTC)
- In effect from
- Apr 11, 2012, 10:00 AM MDT
- Expired
- Apr 11, 2012, 8:51 PM MDT
- In force
- 11 hr
- Issued by
- NWS Rapid City, SD
Counties Butte County, SD, Custer County, SD, Fall River County, SD, Harding County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD
The radar
The Rapid City radar (KUDX), 31 km from the middle of the area, began a volume at 09:53 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, 9.8 hours before the alert went out and 35 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
- 2111 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
540 WWUS73 KUNR 110949 NPWUNR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RAPID CITY SD 349 AM MDT WED APR 11 2012 .A LOW PRESSURE SYSTEM APPROACHING FROM THE SOUTHWEST WILL COMBINE WITH HIGHER PRESSURE TO THE EAST TO PRODUCE STRONG AND GUSTY WINDS OVER PORTIONS OF WESTERN SOUTH DAKOTA TODAY AND THIS EVENING. SDZ001-002-012-013-026-027-030-031-041-042-072>074-111800- /O.NEW.KUNR.WI.Y.0021.120411T1600Z-120412T0300Z/ HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-RAPID CITY- SOUTHERN FOOT HILLS-CUSTER CO PLAINS-PENNINGTON CO PLAINS- FALL RIVER-SHANNON-STURGIS/PIEDMONT FOOT HILLS- SOUTHERN MEADE CO PLAINS-HERMOSA FOOT HILLS- INCLUDING THE CITIES OF...BUFFALO...LEMMON...BISON... BELLE FOURCHE...FAITH...RAPID CITY...HOT SPRINGS...FOLSOM... WALL...EDGEMONT...PINE RIDGE...KYLE...STURGIS...UNION CENTER... HERMOSA 349 AM MDT WED APR 11 2012 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 9 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 9 PM MDT THIS EVENING. * WINDS OF 25 TO 40 MPH WITH GUSTS UP TO 55 MPH WILL DEVELOP THIS MORNING AND CONTINUE THROUGH EARLY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS 30 MPH WINDS...OR GUSTS OVER 45 MPH...ARE EXPECTED OR OCCURRING. && $$
3 follow-up statements
302 WWUS73 KUNR 111502 NPWUNR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RAPID CITY SD 902 AM MDT WED APR 11 2012 .A LOW PRESSURE SYSTEM APPROACHING FROM THE WEST WILL COMBINE WITH HIGH PRESSURE TO THE EAST TO PRODUCE STRONG AND GUSTY WINDS OVER PORTIONS OF WESTERN SOUTH DAKOTA LATE THIS MORNING INTO THIS EVENING. SDZ001-002-012-013-026-027-030-031-041-042-072>074-112315- /O.CON.KUNR.WI.Y.0021.120411T1600Z-120412T0300Z/ HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-RAPID CITY- SOUTHERN FOOT HILLS-CUSTER CO PLAINS-PENNINGTON CO PLAINS- FALL RIVER-SHANNON-STURGIS/PIEDMONT FOOT HILLS- SOUTHERN MEADE CO PLAINS-HERMOSA FOOT HILLS- INCLUDING THE CITIES OF...BUFFALO...LEMMON...BISON... BELLE FOURCHE...FAITH...RAPID CITY...HOT SPRINGS...FOLSOM... WALL...EDGEMONT...PINE RIDGE...KYLE...STURGIS...UNION CENTER... HERMOSA 902 AM MDT WED APR 11 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * SOUTHEASTERLY WINDS WILL INCREASE TO 25 TO 40 MPH DURING THE LATE MORNING AND EARLY AFTERNOON HOURS. GUSTS TO AROUND 50 MPH CAN BE EXPECTED DURING THE AFTERNOON. THE STRONGEST WINDS WILL BE ACROSS NORTHWESTERN SOUTH DAKOTA. WINDS WILL PERSIST INTO THIS EVENING AND THEN GRADUALLY DECREASE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS 30 MPH WINDS...OR GUSTS OVER 45 MPH...ARE EXPECTED OR OCCURRING. && $$
763 WWUS73 KUNR 112054 NPWUNR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RAPID CITY SD 254 PM MDT WED APR 11 2012 .GUSTY SOUTHEASTERLY WINDS WILL CONTINUE ACROSS NORTHWESTERN SOUTH DAKOTA INTO THIS EVENING...THEN GRADUALLY DECREASE OVERNIGHT. SDZ026-027-030-031-041-042-072-074-112200- /O.CAN.KUNR.WI.Y.0021.000000T0000Z-120412T0300Z/ RAPID CITY-SOUTHERN FOOT HILLS-CUSTER CO PLAINS- PENNINGTON CO PLAINS-FALL RIVER-SHANNON- STURGIS/PIEDMONT FOOT HILLS-HERMOSA FOOT HILLS- INCLUDING THE CITIES OF...RAPID CITY...HOT SPRINGS...FOLSOM... WALL...EDGEMONT...PINE RIDGE...KYLE...STURGIS...HERMOSA 254 PM MDT WED APR 11 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS CANCELLED THE WIND ADVISORY. SOUTH TO SOUTHEAST WINDS OF 15 TO 30 MPH...WITH SOME HIGHER GUSTS...CAN BE EXPECTED THROUGH EARLY THIS EVENING. $$ SDZ001-002-012-013-073-120300- /O.CON.KUNR.WI.Y.0021.000000T0000Z-120412T0300Z/ HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS- SOUTHERN MEADE CO PLAINS- INCLUDING THE CITIES OF...BUFFALO...LEMMON...BISON... BELLE FOURCHE...FAITH...UNION CENTER 254 PM MDT WED APR 11 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * SOUTHEASTERLY WINDS OF 25 TO 40 MPH...WITH GUSTS TO AROUND 50 MPH...CAN BE EXPECTED LATE THIS AFTERNOON AND EARLY THIS EVENING. WINDS WILL GRADUALLY DIMINISH DURING THE OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS 30 MPH WINDS...OR GUSTS OVER 45 MPH...ARE EXPECTED OR OCCURRING. && $$
128 WWUS73 KUNR 120251 NPWUNR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RAPID CITY SD 851 PM MDT WED APR 11 2012 SDZ001-002-012-013-073-120400- /O.CAN.KUNR.WI.Y.0021.000000T0000Z-120412T0300Z/ HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS- SOUTHERN MEADE CO PLAINS- INCLUDING THE CITIES OF...BUFFALO...LEMMON...BISON... BELLE FOURCHE...FAITH...UNION CENTER 851 PM MDT WED APR 11 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS CANCELLED THE WIND ADVISORY. $$
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.