Alert archive / Utah / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 53, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Sep 8, 2002, 3:51 PM MDT for Kane County, San Juan County, Utah. It was in force for 39 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, 3:51 PM MDT (21:51 UTC)
- Expired
- Sep 8, 2002, 4:30 PM MDT
- In force
- 39 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
Counties Kane County, UT, San Juan County, UT
The radar
The Cedar City radar (KICX), 169 km from the middle of the area, began a volume at 21:54 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.9 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
- 3 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
681 WUUS55 KSLC 082151 SVRSLC UTC025-037-082230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 350 PM MDT SUN SEP 8 2002 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS EXTENDED THE * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL KANE COUNTY IN UTAH EXTREME SOUTHWESTERN SAN JUAN COUNTY IN SOUTHEAST UTAH * UNTIL 430 PM MDT * AT 339 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHEASTERN KANE COUNTY...OR ABOUT 22 MILES NORTHEAST OF PAGE...MOVING EAST AT 15 MPH. THIS STORM WILL CONTINUE MOVING ALONG LAKE POWELL. IT IS CAPABLE OF PRODUCING STRONG WIND GUSTS OVER 60 MPH AND LARGE HAIL. BOATERS BETWEEN ABOUT ROCK CREEK BAY AND ANASAZI CANYON SHOULD SEEK SHELTERED AREAS IMMEDIATELY. 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 3718 11122 3700 11117 3705 11076 3727 11082
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, 1:58 PM MDT | Tornado Warning | SLC | Sanpete | 32 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, 5:07 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 23 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.