Alert archive / South Dakota / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 151, NWS Rapid City, SD
NWS Rapid City, SD issued this severe thunderstorm warning at Aug 3, 2004, 3:44 AM MDT for Ziebach County, South Dakota. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 3, 2004, 3:44 AM MDT (09:44 UTC)
- Expired
- Aug 3, 2004, 4:45 AM MDT
- In force
- 61 min
- Issued by
- NWS Rapid City, SD
- Area
- Counties, with a storm outline in the text
County Ziebach County, SD
The radar
The Rapid City radar (KUDX), 132 km from the middle of the area, began a volume at 09:45 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 3, 2:00 AM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 9.7 hours before the alert went out and 140 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
- 603 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 2685 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 3, 3:25 AM MDT, 19 minutes earlier.
Area forecast discussion, Aug 3, 3:25 AM MDT, 19 minutes before
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</html>Hazardous weather outlook, Aug 2, 6:59 AM MDT, 20 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 659 AM MDT MON AUG 2 2004 SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-031400- 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- 659 AM MDT (759 AM CDT) MON AUG 2 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER ALL OF NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA THIS AFTERNOON AND TONIGHT. EXPECT THUNDERSTORMS TO DEVELOP BY MID AFTERNOON OVER THE HIGHER TERRAIN AND THEN MOVE EAST SOUTHEAST ACROSS THE SOUTH DAKOTA PLAINS. LARGE HAIL WILL THE BE MAIN THREAT...WITH SOME DAMAGING WINDS ALSO EXPECTED. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER ALL OF NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA TUESDAY AFTERNOON AND EVENING. DAMAGING WINDS AND LARGE HAIL ARE BOTH POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
In the hours before
Local storm report, Aug 3, 12:16 AM MDT, 3 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT ... CORRECTION
NATIONAL WEATHER SERVICE RAPID CITY SD
1216 AM MDT TUE AUG 03 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0510 PM HAIL CUSTER 43.77N 103.60W
08/02/2004 1.00 INCH CUSTER SD PARK/FOREST SRVC
LASTED 5 TO 10 MINUTES.
0525 PM HAIL 3 NW FAIRBURN 43.72N 103.25W
08/02/2004 1.00 INCH CUSTER SD PUBLIC
HAIL LASTED 10 MINUTES.
0540 PM HAIL 3 NE FAIRBURN 43.72N 103.17W
08/02/2004 0.88 INCH CUSTER SD CO-OP OBSERVER
0555 PM TSTM WND GST 6 ESE FAIRBURN 43.65N 103.10W
08/02/2004 70 MPH CUSTER SD TRAINED SPOTTER
0645 PM HAIL 10 SE MARTIN 43.07N 101.59W
08/02/2004 0.75 INCH BENNETT SD PUBLIC
0705 PM HAIL 7 S MARTIN 43.07N 101.73W
08/02/2004 1.25 INCH BENNETT SD PUBLIC
HAIL LASTED 5 TO 10 MINUTES.
0707 PM HAIL 8 W ROCKYFORD 43.50N 102.66W
08/02/2004 1.00 INCH SHANNON SD PUBLIC
0800 PM HAIL MANDERSON 43.24N 102.47W
08/02/2004 2.75 INCH SHANNON SD LAW ENFORCEMENT
0800 PM HAIL PORCUPINE 43.23N 102.33W
08/02/2004 1.75 INCH SHANNON SD LAW ENFORCEMENT
0815 PM FUNNEL CLOUD 9 SW BATESLAND 43.04N 102.23W
08/02/2004 SHANNON SD LAW ENFORCEMENT
0930 PM HAIL 7 NE ORAL 43.47N 103.17W
08/02/2004 0.75 INCH FALL RIVER SD TRAINED SPOTTER
&&
UNRThe office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 6:18 PM MDT | Severe Thunderstorm Warning | UNR | Bennett | 57 min |
| Aug 2, 6:43 PM MDT | Severe Thunderstorm Warning | UNR | 62 min | |
| Aug 2, 7:27 PM MDT | Tornado Warning | UNR | 48 min | |
| Aug 2, 8:10 PM MDT | Tornado Warning | UNR | 50 min | |
| Aug 2, 9:28 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 47 min |
| Aug 3, 12:18 AM MDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 72 min |
| Aug 3, 1:24 AM MDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Meade, Perkins | 51 min |
| Aug 3, 2:13 AM MDT | Severe Thunderstorm Warning | UNR | Meade, Perkins | 62 min |
| Aug 3, 2:59 AM MDT | Severe Thunderstorm Warning | UNR | Ziebach | 61 min |
| Aug 3, 3:23 AM MDT | Severe Thunderstorm Warning | UNR | Haakon | 82 min |
| Aug 3, 4:14 PM MDT | Severe Thunderstorm Warning | UNR | Custer | 61 min |
| Aug 3, 4:20 PM MDT | Severe Thunderstorm Warning | UNR | Pennington | 55 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2004Every severe thunderstorm warning in 2004
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.