Alert archive / Utah / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 27, NWS Salt Lake City, UT

June 10, 1997Tooele County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 10, 1997, 4:04 PM MDT for Tooele County, Utah. It was in force for 61 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 10, 1997, 4:04 PM MDT (22:04 UTC)
Expired
Jun 10, 1997, 5:05 PM MDT
In force
61 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

County Tooele County, UT

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 10, 3:15 PM MDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 10.1 hours before the alert went out and 102 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, Elko, NV at 12:00Z on 1997-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Elko, NV at 12:00Z on 1997-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -42 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
3 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1605 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-42 m²/s²
0-3 km storm-relative helicity
-40 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 102205 RRA
SVRSLC
UTC045-102305-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
404 PM MDT TUE JUN 10 1997

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY UT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 505 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN UTAH

   ...EASTERN TOOELE COUNTY
 
AN AREA OF STRONG THUNDERSTORMS CONTINUES TO DEVELOP OVER EASTERN
TOOELE COUNTY. ANY ONE OF THESE STORMS ARE CAPABLE OF PRODUCING
LARGE HAIL...STRONG GUSTY WINDS AND LOCALLY HEAVY RAIN.

THESE STORMS WILL AFFECT THE COMMUNITIES IN EASTERN TOOELE COUNTY
SOUTH OF I-80 AND EAST OF DUGWAY THROUGH 500 PM MDT.

A SEVERE THUNDERSTONRM WATCH CONTNUES IN EFFECT FOR MOST OF NORTHERN
UTAH UNTIL 800 PM THIS EVENING.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 10, 12:02 PM MDT, 4 hours 2 minutes before
UTZ001>027-110000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1202 PM MDT TUE JUN 10 1997

     ...MORE THUNDERSTORMS STATEWIDE THIS AFTERNOON AND EVENING...

A VERY MOIST AND UNSTABLE AIRMASS OVER UTAH WILL SPAWN ANOTHER ROUND
OF SHOWERS AND THUNDERSTORMS ACROSS UTAH TODAY.  THESE STORMS WILL
PRODUCE LOCALLY HEAVY RAINFALL...HAIL...GUSTY SURFACE WINDS...AND
FREQUENT CLOUD-TO-GROUND LIGHTNING.

THUNDERSTORMS WERE FORMING RAPIDLY OVER SOUTHERN UTAH EARLY THIS
AFTERNOON.  THESE STORMS WILL GAIN IN NUMBER AND INTENSITY OVER THE
NEXT COUPLE OF HOURS...THEN SPREAD INTO NORTHERN UTAH.  HEAVY
RAINFALLS COULD RESULT IN LOCALIZED FLOODING...ESPECIALLY IN AREAS
THAT RECEIVED HEAVY RAINFALL OVER THE PAST COUPLE OF DAYS.

PERSONS PLANNING OUTDOOR ACTIVITIES ANYWHERE IN UTAH TODAY NEED TO
KEEP A CLOSE EYE ON THE WEATHER.  IF THUNDERSTORMS MOVE INTO YOUR
AREA SEEK SHELTER IN A BUILDING OR VEHICLE IMMEDIATELY.  STAY TUNED
TO LOCAL RADIO...TELEVISION...CABLE TV...OR NOAA WEATHER RADIO FOR
FURTHER INFORMATION ON TODAYS WEATHER.

MCC...1202Z
Special weather statement, Jun 10, 12:03 PM MDT, 4 hours 1 minute before
UTZ001>027-110000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1202 PM MDT TUE JUN 10 1997

     ...MORE THUNDERSTORMS STATEWIDE THIS AFTERNOON AND EVENING...

A VERY MOIST AND UNSTABLE AIRMASS OVER UTAH WILL SPAWN ANOTHER ROUND
OF SHOWERS AND THUNDERSTORMS ACROSS UTAH TODAY.  THESE STORMS WILL
PRODUCE LOCALLY HEAVY RAINFALL...HAIL...GUSTY SURFACE WINDS...AND
FREQUENT CLOUD-TO-GROUND LIGHTNING.

THUNDERSTORMS WERE FORMING RAPIDLY OVER SOUTHERN UTAH EARLY THIS
AFTERNOON.  THESE STORMS WILL GAIN IN NUMBER AND INTENSITY OVER THE
NEXT COUPLE OF HOURS...THEN SPREAD INTO NORTHERN UTAH.  HEAVY
RAINFALLS COULD RESULT IN LOCALIZED FLOODING...ESPECIALLY IN AREAS
THAT RECEIVED HEAVY RAINFALL OVER THE PAST COUPLE OF DAYS.

PERSONS PLANNING OUTDOOR ACTIVITIES ANYWHERE IN UTAH TODAY NEED TO
KEEP A CLOSE EYE ON THE WEATHER.  IF THUNDERSTORMS MOVE INTO YOUR
AREA SEEK SHELTER IN A BUILDING OR VEHICLE IMMEDIATELY.  STAY TUNED
TO LOCAL RADIO...TELEVISION...CABLE TV...OR NOAA WEATHER RADIO FOR
FURTHER INFORMATION ON TODAY'S WEATHER.

MCC...1202Z

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 12:00 PM MDTSevere Thunderstorm WarningSLCWayne45 min
Jun 10, 12:47 PM MDTSevere Thunderstorm WarningSLCWayne48 min
Jun 10, 1:10 PM MDTSevere Thunderstorm WarningSLCDuchesne45 min
Jun 10, 1:35 PM MDTSevere Thunderstorm WarningSLCWayne45 min
Jun 10, 2:23 PM MDTSevere Thunderstorm WarningSLCDavis, Salt Lake47 min
Jun 10, 2:28 PM MDTSevere Thunderstorm WarningSLCTooele62 min
Jun 10, 3:02 PM MDTSevere Thunderstorm WarningSLCMorgan, Salt Lake, Summit48 min
Jun 10, 3:34 PM MDTSevere Thunderstorm WarningSLCTooele41 min
Jun 10, 5:02 PM MDTSevere Thunderstorm WarningSLCDavis, Salt Lake, Tooele63 min
Jun 10, 5:03 PM MDTSevere Thunderstorm WarningSLCDavis, Salt Lake, Tooele62 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.