Alert archive / South Dakota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 151, NWS Rapid City, SD
NWS Rapid City, SD issued this severe thunderstorm warning at Jul 8, 2001, 8:47 PM MDT for Fall River County, South Dakota. It was in force for 43 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
- Jul 8, 2001, 8:47 PM MDT (02:47 UTC)
- Expired
- Jul 8, 2001, 9:30 PM MDT
- In force
- 43 min
- Issued by
- NWS Rapid City, SD
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Fall River County, SD
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 8, 2:30 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 2.8 hours before the alert went out and 106 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
- 970 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1568 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -89 m²/s²
- 0-3 km storm-relative helicity
- -77 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -9.8
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Jul 8, 2:00 PM MDT, 6 hours 47 minutes earlier.
Area forecast discussion, Jul 8, 2:00 PM MDT, 6 hours 47 minutes before
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY NATIONAL WEATHER SERVICE RAPID CITY SD 200 PM MDT SUN JUL 8 2001 SVR TSTM WATCH COMING OUT SO WILL MAKE DISCUSSION QUICK. SEE SPC PRODUCTS FOR WHY SEVERE THIS AFTERNOON/EVE. MODELS INITIALIZE WELL AND SHOW GOOD AGREEMENT. UPPER RIDGE OVER S-CENT U.S. AND A LOW OFF THE CA COAST WILL KEEP A SERIES OF EJECTING S/WVS MOVING IN SW FLOW OVER WRN U.S. WILL SEE WAVES TOPPING RIDGE OVER NRN PLAINS WITH A NEARLY DAILY CHANCE OF THUNDERSTORMS. TIMING OF INDIVIDUAL WAVES DIFFICULT...ESPECIALLY IN LATER PERIODS. LUCKILY WILL HAVE A FAIRLY HOMOGENEOUS ATMO THOUGH LATE THIS WEEK. MODEL GUIDANCE SHOWING BETTER AGREEMENT TODAY. HAVE LEANED TO SLIGHTLY COOLER AVN TEMPS FOR LOWS AND NGM FOR HIGHS. .UNR...NONE. 99
In the hours before
Local storm report, Jul 8, 5:35 PM MDT, 3 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
535 PM MDT SUN JUL 08 2001
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0830 PM 1 W O'NEILL PASS SD 1 INCH HAIL
07/07/01 LAWRENCE REPORTED BY PUBLIC.Local storm report, Jul 8, 6:43 PM MDT, 2 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
643 PM MDT SUN JUL 08 2001
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0510 PM 16 S SUNDANCE WY 65 MPH TSTM GUST
07/08/01 CROOK REPORTED BY STORM
SPOTTER.
0640 PM EDGEMONT SD 1 INCH HAIL
07/08/01 FALL RIVER REPORTED BY HAM RADIO
OPERATOR.
0641 PM EDGEMONT SD 1.75 INCH HAIL
07/08/01 FALL RIVER REPORTED BY LAW
ENFORCEMENT OFFICIAL.Local storm report, Jul 8, 7:39 PM MDT, 1 hour 8 minutes before
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</html>Local storm report, Jul 8, 7:58 PM MDT, 49 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
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<p id="message2">
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</html>Local storm report, Jul 8, 8:11 PM MDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
811 PM MDT SUN JUL 08 2001
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0330 PM DEVILS TOWER WY 2.5 INCH HAIL
07/08/01 CROOK .75 TO 2.5 INCH HAIL
LASTED FROM 330 TO 410
PM. SIGNIFICANT CAR
DAMAGE. 2 CLIMBERS
INJURED ON TOWER.
REPORTED BY LAW
ENFORCEMENT OFFICIAL.Local storm report, Jul 8, 8:12 PM MDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
812 PM MDT SUN JUL 08 2001
TIME(MDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0243 PM ROCKERVILLE SD .75 INCH HAIL
07/08/01 PENNINGTON REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0315 PM HERMOSA SD 2 INCH HAIL
07/08/01 CUSTER REPORTED BY STORM
SPOTTER.
0320 PM MOUNT RUSHMORE SD .75 INCH HAIL
07/08/01 PENNINGTON EVENT DURATION 10
MINUTES. REPORTED BY
COOPERATIVE OBSERVER.
0330 PM NEW HAVEN WY 1 INCH HAIL
07/08/01 CROOK REPORTED BY PUBLIC.
0330 PM DEVILS TOWER WY 2.5 INCH HAIL
07/08/01 CROOK .75 TO 2.5 INCH HAIL
LASTED FROM 330 TO 410
PM. SIGNIFICANT CAR
DAMAGE. 2 CLIMBERS
INJURED ON TOWER.
REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0406 PM 3 SE DEVILS TOWER WY 1 INCH HAIL
07/08/01 CROOK REPORTED BY STORM
SPOTTER.
0420 PM CUSTER SD .75 INCH HAIL
07/08/01 CUSTER REPORTED BY PUBLIC.
0438 PM 4 E CUSTER SD .88 INCH HAIL
07/08/01 CUSTER REPORTED BY STORM
SPOTTER.
0438 PM 3 S CUSTER SD 1.5 INCH HAIL
07/08/01 CUSTER REPORTED BY HAM RADIO
OPERATOR.
0510 PM 16 S SUNDANCE WY 65 MPH TSTM GUST
07/08/01 CROOK REPORTED BY STORM
SPOTTER.
0640 PM EDGEMONT SD 1 INCH HAIL
07/08/01 FALL RIVER REPORTED BY HAM RADIO
OPERATOR.
0641 PM EDGEMONT SD 1.75 INCH HAIL
07/08/01 FALL RIVER REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0705 PM 9 W HOT SPGS SD 1.75 INCH HAIL
07/08/01 FALL RIVER REPORTED BY STORM
SPOTTER.
0710 PM OGLALA SD 60 MPH TSTM GUST
07/08/01 SHANNON REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0710 PM 4 N PRINGLE SD WIND DAMAGE
07/08/01 CUSTER TREES DOWN, POWER LINES
DOWN AND ROOF BLOWN OFF
BUILDING. REPORTED BY
LAW ENFORCEMENT OFFICIAL.The office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 6:20 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 40 min |
| Jul 8, 6:50 PM MDT | Severe Thunderstorm Warning | UNR | 55 min | |
| Jul 8, 7:00 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 30 min |
| Jul 8, 7:06 PM MDT | Severe Thunderstorm Warning | UNR | Custer | 54 min |
| Jul 8, 9:17 PM MDT | Severe Thunderstorm Warning | UNR | 58 min | |
| Jul 9, 12:08 PM MDT | Severe Thunderstorm Warning | UNR | Pennington | 67 min |
| Jul 9, 3:39 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 51 min |
| Jul 9, 4:17 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 43 min |
| Jul 9, 4:48 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 42 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2001Every severe thunderstorm warning in 2001
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.