Alert archive / South Dakota / Wind Advisories in 2007
Wind Advisory 22, NWS Rapid City, SD
NWS Rapid City, SD issued this wind advisory at Jun 17, 2007, 5:29 AM CDT for Mellette County, Todd County, Tripp County, South Dakota. It took effect at Jun 17, 2007, 10:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jun 17, 2007, 5:29 AM CDT (10:29 UTC)
- In effect from
- Jun 17, 2007, 10:00 AM CDT
- Expired
- Jun 17, 2007, 4:22 PM CDT
- In force
- 6 hr
- Issued by
- NWS Rapid City, SD
Counties Mellette County, SD, Todd County, SD, Tripp County, SD
The radar
The North Platte radar (KLNX), 158 km from the middle of the area, began a volume at 10:32 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, 10.5 hours before the alert went out and 210 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
- 2003 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1563 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 6.8
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 Jun 17, 4:00 AM CDT, 1 hour 29 minutes earlier.
Area forecast discussion, Jun 17, 4:00 AM CDT, 1 hour 29 minutes before
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</html>Hazardous weather outlook, Jun 16, 11:05 AM CDT, 18 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 1005 AM MDT SAT JUN 16 2007 SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-171300- 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- 1005 AM MDT (1105 AM CDT) SAT JUN 16 2007 ...MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS NORTHWEST SOUTH DAKOTA LATE THIS AFTERNOON AND EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...TODAY AND TONIGHT THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS NORTHWEST SOUTH DAKOTA...MAINLY NORTH OF INTERSTATE 90...LATE THIS AFTERNOON AND EVENING. A SLIGHT RISK FOR SEVERE THUNDERSTORMS COVERS THE REMAINDER OF THE FORECAST AREA...EXCEPT FOR FAR SOUTH CENTRAL SOUTH DAKOTA. LARGE HAIL AND STRONG WIND GUSTS ARE THE MAIN THREATS WITH ANY SEVERE STORMS. ISOLATED TORNADOES ARE ALSO POSSIBLE...MAINLY ACROSS NORTHWEST SOUTH DAKOTA AND FAR NORTHEAST WYOMING. STRONG THUNDERSTORMS ARE STILL POSSIBLE LATE THIS MORNING ACROSS AREAS FROM FAITH TO NEAR PHILIP. HAIL AND HEAVY RAIN CAN BE EXPECTED WITH A FEW OF THESE STORMS. MORE WIDESPREAD CHANCES FOR SEVERE THUNDERSTORMS CAN BE EXPECTED LATE THIS AFTERNOON INTO TONIGHT AS AN UPPER LEVEL DISTURBANCE INTERACTS WITH A NEARLY STATIONARY FRONTAL BOUNDARY IN PLACE ACROSS NORTHEAST WYOMING AND WESTERN SOUTH DAKOTA. SURFACE LOW PRESSURE WILL MOVE ALONG THE BOUNDARY FROM CENTRAL WYOMING AND INTO THE BLACK HILLS AREA BY EARLY THIS EVENING. THE EXPECTED FOCAL POINTS FOR THE DEVELOPMENT OF SEVERE STORMS WILL BE ALONG AND NORTH OF THE FRONTAL BOUNDARY...AS WELL AS NORTHEAST OF THE SURFACE LOW. STORMS ARE EXPECTED TO DEVELOP BY MID TO LATE AFTERNOON ACROSS EASTERN WYOMING AND POSSIBLY INTO FAR WESTERN SOUTH DAKOTA...THEN SPREAD EAST ACROSS THE REST OF THE FORECAST AREA THIS EVENING. LARGE HAIL AND STRONG WIND GUSTS CAN BE EXPECTED WITH SOME OF THESE STORMS. THE GREATEST RISK FOR SEVERE THUNDERSTORMS WILL BE ACROSS NORTHWEST SOUTH DAKOTA AND EXTREME NORTHEAST WYOMING...WHERE ISOLATED TORNADOES ARE ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A STRONGER UPPER LEVEL STORM SYSTEM AND COLD FRONT WILL MOVE THROUGH THE NORTHERN HIGH PLAINS SUNDAY AND INTO MONDAY. ON SUNDAY...THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS WESTERN AND CENTRAL SOUTH DAKOTA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE NEEDED TODAY.
The office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 8:06 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 26 min |
| Jun 16, 8:28 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 62 min |
| Jun 16, 8:55 PM CDT | Tornado Warning | UNR | Lawrence, Meade | 50 min |
| Jun 16, 9:18 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 42 min |
| Jun 16, 9:26 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 36 min |
| Jun 16, 9:29 PM CDT | Tornado Warning | UNR | Butte | 31 min |
| Jun 16, 9:55 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 50 min |
| Jun 16, 9:55 PM CDT | Tornado Warning | UNR | Meade | 50 min |
| Jun 16, 10:32 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 36 min |
| Jun 17, 4:24 PM CDT | Severe Thunderstorm Warning | UNR | 81 min | |
| Jun 17, 4:29 PM CDT | Flash Flood Watch | UNR | Bennett, Haakon, Jackson, Mellette, Oglala Lakota, Todd and 1 more | 10 hr |
| Jun 17, 4:43 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 77 min |
| Jun 17, 5:07 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 42 min |
| Jun 17, 5:09 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 81 min |
| Jun 17, 5:35 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 55 min |
| Jun 17, 5:39 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 66 min |
| Jun 17, 6:27 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 48 min |
| Jun 16, 7:07 PM CDT | Severe Thunderstorm Warning | UNR | Campbell | 53 min |
| Jun 16, 7:18 PM CDT | Tornado Warning | UNR | Campbell | 42 min |
| Jun 16, 7:21 PM CDT | Severe Thunderstorm Warning | UNR | Weston | 54 min |
| Jun 16, 7:52 PM CDT | Severe Thunderstorm Warning | UNR | Crook | 38 min |
| Jun 16, 7:55 PM CDT | Tornado Warning | UNR | Campbell | 35 min |
| Jun 16, 8:20 PM CDT | Severe Thunderstorm Warning | UNR | Weston | 25 min |
Nearby
Wind Advisories in South Dakota, 2007Every wind advisory in 2007
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.