Alert archive / Wyoming / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 21, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 6, 2008, 3:40 PM MDT for Uinta County, Wyoming; Summit County, Utah. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2008, 3:40 PM MDT (21:40 UTC)
- Expired
- Jul 6, 2008, 4:15 PM MDT
- In force
- 35 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
Counties Summit County, UT, Uinta County, WY
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 9.7 hours before the alert went out and 114 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
- 2987 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS55 KSLC 062141 SVRSLC UTC043-WYC041-062215- /O.NEW.KSLC.SV.W.0021.080706T2140Z-080706T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 340 PM MDT SUN JUL 6 2008 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL SUMMIT COUNTY IN UTAH SOUTH CENTRAL UINTA COUNTY IN SOUTHWEST WYOMING * UNTIL 415 PM MDT * AT 335 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED 8 MILES SOUTHWEST OF HEWINTA GUARD STATION....OR 31 MILES SOUTHEAST OF EVANSTON...AND MOVING NORTHEAST AT 11 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HEWINTA GUARD STATION BY 415 PM MDT... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 4111 11053 4092 11035 4079 11064 4092 11077 TIME...MOT...LOC 2140Z 236DEG 9KT 4091 11059 $$ CVG
1 follow-up statement
000 WWUS55 KSLC 062212 SVSSLC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 412 PM MDT SUN JUL 6 2008 UTC043-WYC041-062222- /O.EXP.KSLC.SV.W.0021.000000T0000Z-080706T2215Z/ UINTA WY-SUMMIT UT- 412 PM MDT SUN JUL 6 2008 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SUMMIT AND SOUTH CENTRAL UINTA COUNTIES EXPIRES AT 415 PM MDT... THE STORM HAS WEAKENED AND IS NO LONGER SEVERE. THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE. THIS STORM IS STILL CAPABLE OF PRODUCING PEA SIZED HAIL. LAT...LON 4111 11053 4092 11035 4079 11064 4092 11077 TIME...MOT...LOC 2212Z 236DEG 9KT 4095 11050 $$ CVG
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 12:03 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 27 min |
| Jul 6, 2:16 PM MDT | Severe Thunderstorm Warning | SLC | Iron, Washington | 15 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 2008Severe Thunderstorm Warnings in Utah, 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.