Alert archive / Utah / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 21, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 26, 2002, 3:01 PM MDT for Garfield County, San Juan County, Utah. It was in force for 29 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 26, 2002, 3:01 PM MDT (21:01 UTC)
- Expired
- Jul 26, 2002, 3:30 PM MDT
- In force
- 29 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
Counties Garfield County, UT, San Juan County, UT
The radar
The Cedar City radar (KICX), 189 km from the middle of the area, began a volume at 21:03 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
Grand Junction, CO (KGJT), launched 12:00Z, 9.0 hours before the alert went out and 254 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
- 79 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 859 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
333 WUUS55 KSLC 262101 SVRSLC UTC017-037-262130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 259 PM MDT FRI JUL 26 2002 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN GARFIELD COUNTY IN UTAH WEST CENTRAL SAN JUAN COUNTY IN SOUTHEAST UTAH * UNTIL 330 PM MDT * AT 253 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES WEST OF TICABOO...OR ABOUT 44 MILES EAST OF ESCALANTE...MOVING SOUTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE... OVER TICABOO AT 305 PM MDT THIS WARNING INCLUDES LAKE POWELL NORTH OF BULLFROG MARINA. THE STORM IS EXPECTED TO CROSS THE LAKE BETWEEN 5 AND10 MILES NORTH OF BULLFROG ABOUT 315 PM. STRONG DAMAGING WINDS ARE LIKELY WITH THIS STORM AND LARGE HAIL AND HEAVY RAIN ARE POSSIBLE. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES. 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. LAT...LON 3776 11082 3756 11092 3746 11059 3768 11041
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 8:36 PM MDT | Severe Thunderstorm Warning | SLC | Cache | 24 min |
| Jul 26, 1:38 PM MDT | Flash Flood Warning | SLC | Garfield | 112 min |
| Jul 26, 2:14 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 46 min |
| Jul 26, 3:37 PM MDT | Severe Thunderstorm Warning | SLC | Millard | 38 min |
| Jul 26, 3:39 PM MDT | Severe Thunderstorm Warning | SLC | Millard | 36 min |
| Jul 26, 4:15 PM MDT | Severe Thunderstorm Warning | SLC | Beaver, Millard | 45 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; radar from the NEXRAD Level II archive.