Alert archive / Utah / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 26, NWS Salt Lake City, UT

August 10, 1994Box Elder County, Tooele County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Aug 10, 1994, 6:10 PM MDT for Box Elder County, Tooele County, Utah. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Aug 10, 1994, 6:10 PM MDT (00:10 UTC)
Expired
Aug 10, 1994, 7:15 PM MDT
In force
65 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

Counties Box Elder County, UT, Tooele County, UT

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 0.2 hours before the alert went out and 104 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, Salt Lake City I, UT at 00:00Z on 1994-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 00:00Z on 1994-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -73 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
127 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
2313 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-73 m²/s²
0-3 km storm-relative helicity
-28 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

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
Aug 10, 6:12 PM MDTFlash Flood WarningSLCDavis, Morgan, Salt Lake2 hr
Aug 10, 6:12 PM MDTFlash Flood WarningSLCSummit2 hr
Aug 11, 3:55 PM MDTFlash Flood WarningSLCSevier, Wayne2 hr
Aug 11, 3:55 PM MDTFlash Flood WarningSLCGarfield2 hr

Nearby

Severe Thunderstorm Warnings in Utah, 1994Every severe thunderstorm warning in 1994

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.