Alert archive / Utah / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 42, NWS Salt Lake City, UT

June 14, 1997Summit County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 14, 1997, 12:49 PM MDT for Summit County, Utah. It was in force for 31 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
Jun 14, 1997, 12:49 PM MDT (18:49 UTC)
Expired
Jun 14, 1997, 1:20 PM MDT
In force
31 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

County Summit County, UT

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 6.8 hours before the alert went out and 80 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 12:00Z on 1997-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1997-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSLC 141850
SVRSLC
UTC043-141920-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1249 PM MDT SAT JUN 14 1997

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY UT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 120 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHERN UTAH

   ...SUMMIT COUNTY
 
AT 1248 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
RADAR 6 MILES NORTHEAST OF COALVILLE MOVING NORTH AT 20 MPH.

THIS STORM CAN BE EXPECTED IN THE VICINITY OF...
EMORY                  AT AROUND 105 PM MDT
 
THESE STORMS MAY PRODUCE STRONG GUSTY WIND...LARGE HAIL...AND
FREQUENT LIGHTNING.  TAKE COVER WHEN THREATENING WEATHER APPROACHES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 1:39 PM MDTSevere Thunderstorm WarningSLCRich66 min

Nearby

Severe Thunderstorm Warnings in Utah, 1997Every severe thunderstorm warning in 1997

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.