Alert archive / Wyoming / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 41, NWS Rapid City, SD
NWS Rapid City, SD issued this severe thunderstorm warning at Jun 10, 2003, 2:22 PM MDT for Campbell County, Wyoming. It was in force for 53 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
- Jun 10, 2003, 2:22 PM MDT (20:22 UTC)
- Expired
- Jun 10, 2003, 3:15 PM MDT
- In force
- 53 min
- Issued by
- NWS Rapid City, SD
- Area
- Counties, with a storm outline in the text
County Campbell County, WY
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 8.4 hours before the alert went out and 214 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
- 788 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -48 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jun 10, 10:23 AM MDT, 3 hours 59 minutes earlier.
Area forecast discussion, Jun 10, 10:23 AM MDT, 3 hours 59 minutes before
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</html>Hazardous weather outlook, Jun 10, 6:00 AM MDT, 8 hours 22 minutes before
SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-111400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 600 AM MDT TUE JUN 10 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS AFTERNOON ACROSS NORTHEASTERN WYOMING AND THE BLACK HILLS... THEN SPREAD EASTWARD DURING THE EVENING AND OVERNIGHT HOURS. SOME OF THESE STORMS MAY BECOME SEVERE LATE THIS AFTERNOON AND EARLY EVENING ACROSS NORTHEASTERN WYOMING AND THE BLACK HILLS...WITH THE PRIMARY THREAT BEING HAIL LARGER THAN 3/4 INCH AND WIND GUSTS GREATER THAN 60 MPH. ANY STORMS THAT DEVELOP WILL THEN MOVE EASTWARD ACROSS WESTERN AND CENTRAL SOUTH DAKOTA DURING THE EVENING AND OVERNIGHT HOURS. EVEN THOUGH THE SEVERE WEATHER THREAT WILL NOT BE AS GREAT OVER THESE AREAS...A FEW STORMS MAY PRODUCE HAIL LARGER THAN 3/4 OF AN INCH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A STRONGER UPPER LEVEL DISTURBANCE WILL MOVE INTO THE NORTHERN PLAINS ON WEDNESDAY. THIS DISTURBANCE MAY TRIGGER SOME SEVERE THUNDERSTORMS...PRIMARILY OVER WESTERN AND CENTRAL SOUTH DAKOTA. AN ISOLATED TORNADO OR TWO WILL BE POSSIBLE ACROSS CENTRAL SOUTH DAKOTA. A DAILY CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS WILL THEN BE POSSIBLE THROUGH THE WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ASSISTANCE MAY BE NEEDED LATE THIS AFTERNOON AND EVENING... ESPECIALLY OVER NORTHEASTERN WYOMING AND FAR WESTERN SOUTH DAKOTA. JOHNSON
The office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 6:16 PM MDT | Severe Thunderstorm Warning | UNR | Tripp | 44 min |
| Jun 10, 5:22 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 38 min |
| Jun 10, 5:25 PM MDT | Severe Thunderstorm Warning | UNR | Butte | 50 min |
| Jun 10, 5:59 PM MDT | Tornado Warning | UNR | Fall River | 31 min |
| Jun 10, 3:38 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 67 min |
| Jun 10, 4:17 PM MDT | Tornado Warning | UNR | Crook | 43 min |
| Jun 10, 4:22 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 53 min |
| Jun 10, 5:00 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 45 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 2003Every severe thunderstorm warning in 2003
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.