Alert archive / Utah / Tornado Warnings in 2002
Tornado Warning 1, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this tornado warning at Sep 8, 2002, 1:58 PM MDT for Sanpete County, Utah. It was in force for 32 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 8, 2002, 1:58 PM MDT (19:58 UTC)
- Expired
- Sep 8, 2002, 2:30 PM MDT
- In force
- 32 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
County Sanpete County, UT
The radar
The Cedar City radar (KICX), 223 km from the middle of the area, began a volume at 19:59 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 8, 1:30 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 8.0 hours before the alert went out and 162 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
- 238 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 957 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
640 WFUS55 KSLC 081958 TORSLC UTC039-082030- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 158 PM MDT SUN SEP 8 2002 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * TORNADO WARNING FOR... CENTRAL SANPETE COUNTY IN UTAH THIS INCLUDES THE CITY OF MANTI * UNTIL 230 PM MDT * AT 149 PM MDT...THE PUBLIC REPORTED A TORNADO OVER MANTI...MOVING NORTHEAST AT 20 MPH. 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. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT SUNDAY EVENING FOR UTAH. LAT...LON 3927 11180 3917 11166 3942 11133 3959 11147
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 5:00 AM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 40 min |
| Sep 8, 6:07 AM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Weber | 28 min |
| Sep 8, 2:34 PM MDT | Severe Thunderstorm Warning | SLC | Kane, San Juan | 26 min |
| Sep 8, 3:00 PM MDT | Severe Thunderstorm Warning | SLC | Kane, San Juan | 45 min |
| Sep 8, 3:51 PM MDT | Severe Thunderstorm Warning | SLC | Kane, San Juan | 39 min |
| Sep 8, 5:07 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 23 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.