Alert archive / Utah / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 50, NWS Salt Lake City, UT

September 8, 2000Kane County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Sep 8, 2000, 2:18 PM MDT for Kane County, Utah. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Sep 8, 2000, 2:18 PM MDT (20:18 UTC)
Expired
Sep 8, 2000, 3:00 PM MDT
In force
42 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Kane County, UT

The nearest sounding before it

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 8.3 hours before the alert went out and 216 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.

Skew-T log-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 12:00Z on 2000-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 12:00Z on 2000-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
29 J/kg
Mixed-layer CIN
-195 J/kg
Mixed-layer LCL
1894 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KSLC 082022
SVRSLC
UTC025-082045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
218 PM MDT FRI SEP 8 2000

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL KANE COUNTY IN UTAH

* UNTIL 300 PM MDT

* AT 209 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SOUTH CENTRAL KANE COUNTY...OR ABOUT 26   
MILES NORTHWEST OF PAGE AND 8 MILES NORTHWEST OF BIG WATER...MOVING 
NORTHEAST AT 20 MPH. THIS STORM WILL MOVE ACROSS RURAL AREAS.

* THE SEVERE THUNDERSTORM WILL BE OVER...
  RURAL CENTRAL KANE COUNTY BY 230 PM MDT

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 3712 11198 3700 11183 3724 11148 3740 11168

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 8, 12:53 PM MDTSevere Thunderstorm WarningSLCBeaver, Piute52 min
Sep 8, 1:09 PM MDTSevere Thunderstorm WarningSLCGarfield36 min
Sep 8, 1:42 PM MDTSevere Thunderstorm WarningSLCGarfield33 min
Sep 8, 1:57 PM MDTSevere Thunderstorm WarningSLCPiute, Wayne48 min
Sep 8, 2:22 PM MDTSevere Thunderstorm WarningSLCGarfield38 min

Nearby

Severe Thunderstorm Warnings in Utah, 2000Every severe thunderstorm warning in 2000

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.