Alert archive / Utah / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 39, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Aug 29, 2002, 3:07 PM MDT for Emery County, Sevier County, Utah. It was in force for 38 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
- Aug 29, 2002, 3:07 PM MDT (21:07 UTC)
- Expired
- Aug 29, 2002, 3:45 PM MDT
- In force
- 38 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
Counties Emery County, UT, Sevier County, UT
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 29, 1:05 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 9.1 hours before the alert went out and 223 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
- 6 J/kg
- Mixed-layer CIN
- -243 J/kg
- Mixed-layer LCL
- 3498 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
564 WUUS55 KSLC 292107 SVRSLC UTC015-041-292130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 307 PM MDT THU AUG 29 2002 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL EMERY COUNTY IN UTAH EXTREME EAST CENTRAL SEVIER COUNTY IN UTAH * UNTIL 345 PM MDT * AT 305 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 9 MILES SOUTH OF EMERY...OR ABOUT 36 MILES NORTHEAST OF LOA...MOVING NORTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE... 8 MILES SOUTHEAST OF EMERY AT 315 PM MDT VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SALT LAKE CITY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT THURSDAY EVENING FOR EASTERN UTAH. LAT...LON 3885 11139 3869 11129 3880 11089 3906 11107
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 12:13 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Duchesne | 32 min |
| Aug 29, 12:28 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 47 min |
| Aug 29, 12:32 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 43 min |
| Aug 29, 1:02 PM MDT | Severe Thunderstorm Warning | SLC | Carbon | 43 min |
| Aug 29, 1:21 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 54 min |
| Aug 29, 1:59 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 31 min |
| Aug 29, 2:27 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 48 min |
Nearby
Severe Thunderstorm Warnings in Utah, 2002Every severe thunderstorm warning in 2002
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.