Alert archive / Utah / Tornado Warnings in 2002
Tornado Warning 3, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this tornado warning at Sep 12, 2002, 4:24 PM MDT for Carbon County, Utah. It was in force for 36 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
- Sep 12, 2002, 4:24 PM MDT (22:24 UTC)
- Expired
- Sep 12, 2002, 5:00 PM MDT
- In force
- 36 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
County Carbon County, UT
The radar
The Grand Junction radar (KGJX), 196 km from the middle of the area, began a volume at 22:27 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, 10.4 hours before the alert went out and 171 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
- 190 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1032 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
546 WFUS55 KSLC 122224 TORSLC UTC007-122300- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 424 PM MDT THU SEP 12 2002 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * TORNADO WARNING FOR... CENTRAL CARBON COUNTY IN UTAH * UNTIL 500 PM MDT * AT 417 PM MDT...THE PUBLIC REPORTED A TORNADO OVER COLUMBIA...OR 2 MILES SOUTH OF SUNNYSIDE...MOVING SOUTH AT 5 MPH. * THE TORNADO IS EXPECTED TO BE... OVER RURAL SOUTHERN CARBON COUNTY AT 440 PM MDT THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 3962 11057 3946 11056 3946 11021 3964 11011
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 12:23 PM MDT | Tornado Warning | SLC | Sanpete | 7 min |
| Sep 12, 1:41 PM MDT | Flash Flood Warning | SLC | Emery, Sevier | 64 min |
| Sep 12, 2:17 PM MDT | Flash Flood Warning | SLC | Garfield | 118 min |
| Sep 12, 2:25 PM MDT | Flash Flood Warning | SLC | Kane | 2 hr |
| Sep 12, 3:08 PM MDT | Flash Flood Warning | SLC | Emery, Garfield, Kane, Wayne | 112 min |
| Sep 12, 3:28 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane | 47 min |
| Sep 12, 4:24 PM MDT | Tornado Warning | SLC | Carbon | 36 min |
| Sep 12, 4:50 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 25 min |
| Sep 12, 4:52 PM MDT | Flash Flood Warning | SLC | Carbon, Emery | 113 min |
| Sep 12, 5:07 PM MDT | Flash Flood Warning | SLC | Carbon, Emery | 98 min |
Nearby
Tornado Warnings in Utah, 2002Every tornado warning in 2002Tornadoes 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.