Alert archive / Idaho / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 47, NWS Pocatello, ID
NWS Pocatello, ID issued this severe thunderstorm warning at Aug 9, 2008, 12:23 PM MDT for Clark County, Idaho. It was in force for 22 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 9, 2008, 12:23 PM MDT (18:23 UTC)
- Expired
- Aug 9, 2008, 12:45 PM MDT
- In force
- 22 min
- Issued by
- NWS Pocatello, ID
- Area
- Storm-based polygon
County Clark County, ID
The radar
The Pocatello radar (KSFX), 134 km from the middle of the area, began a volume at 18:22 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
Boise Airport, ID (KBOI), launched 12:00Z, 6.4 hours before the alert went out and 318 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
- 181 J/kg
- Mixed-layer CIN
- -356 J/kg
- Mixed-layer LCL
- 2055 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 117 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 Pocatello, ID wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 9, 9:50 AM MDT, 2 hours 33 minutes earlier.
Area forecast discussion, Aug 9, 9:50 AM MDT, 2 hours 33 minutes before
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</html>Hazardous weather outlook, Aug 9, 3:57 AM MDT, 8 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE POCATELLO ID 357 AM MDT SAT AUG 9 2008 IDZ017>025-031-032-101000- EASTERN MAGIC VALLEY-SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS- UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN- SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS- CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION- BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI- 357 AM MDT SAT AUG 9 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO. .DAY ONE...TODAY AND TONIGHT SHOWERS AND THUNDERSTORMS ARE ANTICIPATED AGAIN ACROSS EASTERN IDAHO. THE HIGHEST CHANCES ARE IN THE MOUNTAINS AND UPPER SNAKE PLAIN. GUSTY WIND AND HAIL ARE POSSIBLE WITH THESE STORMS. STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS NORTHERN PORTIONS OF THE FORECAST AREA. LOCALLY HEAVY RAINFALL IS POSSIBLE ACROSS NORTHERN AREAS WELL. DUE TO THUNDERSTORM COVERAGE AND POTENTIAL LIGHTNING STARTS...A RED FLAG WARNING HAS BEEN ISSUED FOR MOST OF EASTERN IDAHO. PLEASE SEE RFWPIH FOR MORE INFORMATION. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY DRIER CONDITIONS WILL PREVAIL ISOLATED THUNDERSTORMS MAINLY OVER THE MOUNTAINS. BREEZY CONDITIONS IN THE SNAKE PLAIN WILL MAKE FOR POSSIBLE FIRE WEATHER CONCERNS AND FOR BOATERS ON AMERICAN FALLS RESERVOIR INTO EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... WE ASK TRAINED SPOTTERS AND CITIZENS TO REPORT SIGNIFICANT WEATHER CONDITIONS WHEN IT IS SAFE TO DO SO. THESE CONDITIONS MAY INCLUDE HAIL...TORNADOES...STRONG WIND...DUST STORMS...SNOWFALL... EXTREME COLD TEMPERATURES...FREEZING RAIN OR HEAVY RAIN...DENSE FOG...AND FLOODING OR ICE JAMS. INFORMATION ABOUT THESE HAZARDOUS CONDITIONS SHOULD BE CALLED INTO YOUR NATIONAL WEATHER SERVICE OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR 208-233-0834.
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 6:36 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Custer | 24 min |
| Aug 8, 6:59 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Custer | 46 min |
| Aug 8, 7:45 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Clark, Jefferson | 60 min |
| Aug 8, 8:06 PM MDT | Severe Thunderstorm Warning | PIH | Bingham, Butte, Jefferson | 39 min |
| Aug 8, 8:43 PM MDT | Severe Thunderstorm Warning | PIH | Bannock, Bingham, Power | 32 min |
| Aug 9, 2:44 AM MDT | Red Flag Warning | PIH | Bingham, Bonneville, Butte, Clark, Custer, Fremont and 7 more | 18 hr |
| Aug 9, 11:39 AM MDT | Severe Thunderstorm Warning | PIH | Custer | 36 min |
| Aug 9, 1:01 PM MDT | Severe Thunderstorm Warning | PIH | Custer | 44 min |
| Aug 9, 1:59 PM MDT | Severe Thunderstorm Warning | PIH | Custer | 16 min |
| Aug 9, 4:17 PM MDT | Severe Thunderstorm Warning | PIH | Bonneville | 28 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 2008Every severe thunderstorm warning in 2008
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.