Alert archive / Utah / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 43, NWS Salt Lake City, UT

July 5, 1998Kane County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 5, 1998, 3:08 PM MDT for Kane County, Utah. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 5, 1998, 3:08 PM MDT (21:08 UTC)
Expired
Jul 5, 1998, 4:10 PM MDT
In force
62 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

County Kane County, UT

The nearest sounding before it

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.1 hours before the alert went out and 229 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 1998-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 162 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 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 1998-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939Sfc1 km3 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
162 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 7:38 AM MDTSevere Thunderstorm WarningSLCWashington52 min
Jul 5, 8:27 AM MDTSevere Thunderstorm WarningSLCIron, Kane, Washington63 min
Jul 5, 11:02 AM MDTSevere Thunderstorm WarningSLCGarfield28 min
Jul 5, 11:14 AM MDTSevere Thunderstorm WarningSLCGarfield21 min
Jul 5, 12:02 PM MDTSevere Thunderstorm WarningSLCSevier28 min
Jul 5, 12:27 PM MDTSevere Thunderstorm WarningSLCJuab43 min
Jul 5, 2:19 PM MDTSevere Thunderstorm WarningSLCSummit, Wasatch41 min
Jul 5, 3:08 PM MDTFlash Flood WarningSLCKane62 min

Nearby

Severe Thunderstorm Warnings in Utah, 1998Every severe thunderstorm warning in 1998

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.