Alert archive / South Dakota / High Wind Warnings in 2011
High Wind Warning 14, NWS Rapid City, SD
NWS Rapid City, SD issued this high wind warning at Oct 7, 2011, 3:50 AM MDT for 11 counties in South Dakota. It took effect at Oct 7, 2011, 4:00 AM MDT. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 7, 2011, 3:50 AM MDT (09:50 UTC)
- In effect from
- Oct 7, 2011, 4:00 AM MDT
- Expired
- Oct 7, 2011, 7:00 PM MDT
- In force
- 15 hr
- Issued by
- NWS Rapid City, SD
Counties Bennett County, SD, Butte County, SD, Haakon County, SD, Harding County, SD, Jackson County, SD, Lawrence County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD, Ziebach County, SD
The radar
The Rapid City radar (KUDX), 39 km from the middle of the area, began a volume at 09:50 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 46 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
- 192 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 898 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 222 m²/s²
- 0-3 km storm-relative helicity
- 432 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
What forecasters said that day
The local office's own words before this high wind 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 high wind warning went out at Oct 7, 3:33 AM MDT, 17 minutes earlier.
Area forecast discussion, Oct 7, 3:33 AM MDT, 17 minutes before
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</html>Hazardous weather outlook, Oct 6, 9:57 AM MDT, 17 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 957 AM MDT THU OCT 6 2011 SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-071300- 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- 957 AM MDT (1057 AM CDT) THU OCT 6 2011 ...HIGH WIND WARNING TODAY FOR SOUTH CENTRAL SOUTH DAKOTA... ...WIND ADVISORY TODAY FOR MUCH OF THE WESTERN SOUTH DAKOTA PLAINS... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...TODAY AND TONIGHT BREEZY CONDITIONS WILL CONTINUE ACROSS MUCH OF THE WESTERN SOUTH DAKOTA PLAINS TODAY. SOUTHERLY WINDS OF 20 TO 35 MPH WITH GUSTS UP TO 50 MPH ARE EXPECTED UNTIL EARLY THIS EVENING. STRONGER WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH ARE EXPECTED ACROSS SOUTH CENTRAL SOUTH DAKOTA. A VERY HIGH FIRE DANGER IS EXPECTED ACROSS CENTRAL SOUTH DAKOTA. SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE AREA THIS AFTERNOON AND EVENING. SOME STORMS ACROSS WESTERN SOUTH DAKOTA AND THE BLACK HILLS AREA MAY BECOME SEVERE WITH DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY WINDY CONDITIONS ARE AGAIN EXPECTED FRIDAY ACROSS THE SOUTH DAKOTA PLAINS. SOUTHWEST WINDS MAY REACH 25 TO 35 MPH...WITH GUSTS UP TO 50 MPH. THESE WINDS WILL CREATE VERY HIGH TO EXTREME FIRE DANGER ACROSS MANY PARTS OF THE WESTERN SOUTH DAKOTA PLAINS FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY. BUNKERS
In the hours before
Local storm report, Oct 6, 10:16 PM MDT, 5 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1016 PM MDT THU OCT 06 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0900 PM NON-TSTM WND GST 15 SE MISSION 43.15N 100.45W
10/06/2011 M66 MPH TODD SD MESONET
&&
WFO UNRLocal storm report, Oct 6, 11:32 PM MDT, 4 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE RAPID CITY SD
1132 PM MDT THU OCT 06 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0232 PM HAIL 5 WNW BUFFALO GAP 43.52N 103.41W
10/06/2011 M1.00 INCH CUSTER SD TRAINED SPOTTER
0255 PM HIGH SUST WINDS 2 W HAMILL 43.60N 99.72W
10/06/2011 M40.00 MPH TRIPP SD MESONET
0309 PM HAIL 4 SW FAIRBURN 43.65N 103.27W
10/06/2011 M1.00 INCH CUSTER SD PUBLIC
0320 PM HAIL 7 SW HERMOSA 43.77N 103.29W
10/06/2011 M1.75 INCH CUSTER SD TRAINED SPOTTER
0332 PM HAIL 5 ESE DOWNTOWN RAPID CI 44.05N 103.14W
10/06/2011 M1.00 INCH PENNINGTON SD NWS EMPLOYEE
0415 PM HAIL BOX ELDER 44.12N 103.07W
10/06/2011 E0.88 INCH PENNINGTON SD PUBLIC
0445 PM HAIL 3 E HEREFORD 44.38N 102.82W
10/06/2011 M0.75 INCH MEADE SD PUBLIC
0500 PM TSTM WND GST 8 SW BATESLAND 43.05N 102.21W
10/06/2011 M54.00 MPH SHANNON SD MESONET
0500 PM TSTM WND GST UNION CENTER 44.56N 102.67W
10/06/2011 M65.00 MPH MEADE SD MESONET
0511 PM TSTM WND GST VETAL 43.22N 101.37W
10/06/2011 E60.00 MPH BENNETT SD PUBLIC
HAIL SIZE .75 INCHES
0520 PM TSTM WND GST SSE MARTIN 43.17N 101.73W
10/06/2011 E60.00 MPH BENNETT SD TRAINED SPOTTER
HAIL SIZE .50 INCHES
0530 PM TSTM WND DMG 2 W COTTONWOOD 43.96N 101.94W
10/06/2011 JACKSON SD PUBLIC
ROOF BLOWN OFF SEED HOUSE ABOUT 1 BLOCK. DAMAGE TO
TRACTOR. PIECES OF WOOD DRIVEN INTO SEED
BARREL...WALLS...TRACTOR. GLASS EVERYWHERE.
0558 PM NON-TSTM WND GST WINNER 43.37N 99.86W
10/06/2011 M59.00 MPH TRIPP SD OFFICIAL NWS OBS
0600 PM TSTM WND GST 7 ENE BELVIDERE 43.88N 101.14W
10/06/2011 E60.00 MPH JACKSON SD TRAINED SPOTTER
DIME SIZE HAIL.
0601 PM HAIL 10 NE MARCUS 44.77N 102.12W
10/06/2011 M1.00 INCH MEADE SD TRAINED SPOTTER
0601 PM TSTM WND GST 10 NE MARCUS 44.77N 102.12W
10/06/2011 E60.00 MPH MEADE SD TRAINED SPOTTER
0620 PM TSTM WND GST 10 NE BELVIDERE 43.94N 101.13W
10/06/2011 M86.00 MPH JACKSON SD MESONET
0624 PM TSTM WND GST FAITH 45.02N 102.03W
10/06/2011 M66.00 MPH MEADE SD ASOS
0653 PM TSTM WND GST 6 W PARMELEE 43.32N 101.14W
10/06/2011 M71.00 MPH TODD SD MESONET
0659 PM TSTM WND DMG DOWNTOWN NEWCASTLE 43.85N 104.20W
10/06/2011 WESTON WY LAW ENFORCEMENT
SEVERAL REPORTS OF DAMAGE, ESTIMATED WIND GUST OF 75 MPH
0710 PM FUNNEL CLOUD 10 N PARMELEE 43.47N 101.02W
10/06/2011 MELLETTE SD LAW ENFORCEMENT
0715 PM TSTM WND GST 5 W CEDAR BUTTE 43.57N 101.12W
10/06/2011 E60.00 MPH MELLETTE SD FIRE DEPT/RESCUE
0729 PM TSTM WND GST UPTON 44.10N 104.63W
10/06/2011 M77.00 MPH WESTON WY MESONET
0740 PM TSTM WND GST 15 SW SUNDANCE 44.25N 104.59W
10/06/2011 M58.00 MPH CROOK WY MESONET
0740 PM TSTM WND GST ENE PINE HAVEN 44.35N 104.80W
10/06/2011 E60.00 MPH CROOK WY TRAINED SPOTTER
0749 PM TSTM WND GST PINE HAVEN 44.35N 104.81W
10/06/2011 M60.00 MPH CROOK WY MESONET
0900 PM NON-TSTM WND GST 15 SE MISSION 43.15N 100.45W
10/06/2011 M66.00 MPH TODD SD MESONET
0911 PM NON-TSTM WND GST WINNER 43.37N 99.86W
10/06/2011 M58.00 MPH TRIPP SD OFFICIAL NWS OBS
0920 PM NON-TSTM WND GST 6 W PARMELEE 43.32N 101.14W
10/06/2011 M60.00 MPH TODD SD MESONET
&&
THIS TABLE LISTS THE REPORTS BY HAIL SIZE OR WIND SPEED OR RAIN
AMOUNT...AND MAY NOT NECESSARILY BE THE FINAL HAIL SIZE OR WIND
SPEED OR RAIN AMOUNT FOR THAT LOCATION.
HAIL REPORTS LISTED BY SIZE (INCHES)
SIZE LOCATION ST COUNTY TIME
------ ----------------------- -- -------------- -------
1.75 7 SW HERMOSA SD CUSTER 0320 PM
1.00 10 NE MARCUS SD MEADE 0601 PM
1.00 5 ESE DOWNTOWN RAPID CI SD PENNINGTON 0332 PM
1.00 4 SW FAIRBURN SD CUSTER 0309 PM
1.00 5 WNW BUFFALO GAP SD CUSTER 0232 PM
0.88 BOX ELDER SD PENNINGTON 0415 PM
0.75 3 E HEREFORD SD MEADE 0445 PM
TSTM WIND REPORTS LISTED BY SPEED (MPH)
SPEED LOCATION ST COUNTY TIME
------ ----------------------- -- -------------- -------
86.00 10 NE BELVIDERE SD JACKSON 0620 PM
77.00 UPTON WY WESTON 0729 PM
71.00 6 W PARMELEE SD TODD 0653 PM
66.00 FAITH SD MEADE 0624 PM
65.00 UNION CENTER SD MEADE 0500 PM
60.00 PINE HAVEN WY CROOK 0749 PM
60.00 ENE PINE HAVEN WY CROOK 0740 PM
60.00 5 W CEDAR BUTTE SD MELLETTE 0715 PM
60.00 10 NE MARCUS SD MEADE 0601 PM
60.00 7 ENE BELVIDERE SD JACKSON 0600 PM
DIME SIZE HAIL.
60.00 SSE MARTIN SD BENNETT 0520 PM
HAIL SIZE .50 INCHES
60.00 VETAL SD BENNETT 0511 PM
HAIL SIZE .75 INCHES
58.00 15 SW SUNDANCE WY CROOK 0740 PM
54.00 8 SW BATESLAND SD SHANNON 0500 PM
WFO UNRThe office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 6, 6:12 PM MDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 48 min |
| Oct 6, 6:23 PM MDT | Tornado Warning | UNR | Bennett, Jackson, Mellette, Todd | 52 min |
| Oct 6, 6:38 PM MDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 45 min |
| Oct 6, 7:00 PM MDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 45 min |
| Oct 6, 7:15 PM MDT | Tornado Warning | UNR | Mellette | 30 min |
| Oct 6, 7:35 PM MDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 22 min |
| Oct 6, 7:47 PM MDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 58 min |
| Oct 6, 8:34 PM MDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 41 min |
| Oct 6, 9:02 PM MDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 58 min |
| Oct 6, 9:55 PM MDT | Severe Thunderstorm Warning | UNR | Tripp | 22 min |
Nearby
High Wind Warnings in South Dakota, 2011Every high wind warning in 2011
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.