Alert archive / Utah / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 1, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Mar 7, 1992, 4:49 PM MST for Washington County, Utah. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Mar 7, 1992, 4:49 PM MST (23:49 UTC)
- Expired
- Mar 7, 1992, 5:45 PM MST
- In force
- 56 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
County Washington County, UT
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 12:00Z, 11.8 hours before the alert went out and 234 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.
- Mixed-layer CAPE
- 6 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 795 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSLC 072356 SVRSLC UTC053-080045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 449 PM MST SAT MAR 7 1992 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHWEST UTAH ...SOUTH CENTRAL WASHINGTON COUNTY AT 435 A THUNDERSTORM NEAR THE ST GEORGE AIRPORT PRODUCED A WIND GUST TO 60 MPH. NO REPORTS OF DAMAGE WERE AVAILABLE DUE TO THESE STRONG WINDS. THUNDERSTORMS IN THE AREA HAVE ALSO PRODUCED 1/2 INCH HAIL. THE THUNDERSTORMS ARE MOVING SLOWLY NORTHWARD. SOME OF THE COMMUNITIES THAT MAY BE AFFECTED BY THESE THUNDERSTORMS ARE ST GEORGE...IVINS...SANTA CLARA...HURRICANE... LA VERKIN... AND LEEDS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. FURTHER STATEMENTS WILL BE ISSUED AS NEEDED.
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, Mar 7, 10:55 AM MST, 5 hours 54 minutes before
UTZALL-080000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1055 AM MST SAT MAR 7 1992
...WINTER STORM WATCH SOUTHERN MOUNTAINS TONIGHT...
...SHOWERS AND THUNDERSHOWERS OVER THE STATE THROUGH TONIGHT...
A SLOW MOVING STORM OVER THE COASTAL WATERS OF SOUTHERN CALIFORNIA
CONTINUES TO SPREAD MOIST AIR OVER MUCH OF THE SOUTHWEST. SHOWERS AND
ISOLATED THUNDERSHOWERS OVER SOUTHERN NEVADA THIS MORNING WILL MOVE
INTO WESTERN UTAH THIS AFTERNOON.
IN THE SOUTHERN MOUNTAINS SNOW SHOWERS WILL BEGIN THIS AFTERNOON.
HEAVIER SNOWFALL IS EXPECTED TONIGHT AS THE CENTER OF THE STORM MOVES
ACROSS ARIZONA.
SNOW LEVELS WILL START OUT NEAR 6500 FEET TODAY...LOWERING TO NEAR 5000
FEET LATE TONIGHT AND SUNDAY. ACCUMULATIONS WILL BE LIGHT TODAY ACROSS
THE SOUTHERN MOUNTAINS. HOWEVER...4 TO 8 INCHES OF SNOW IS POSSIBLE
TONIGHT WITH LOCALLY FAVORABLE AREAS RECEIVING EVEN GREATER AMOUNTS.
THOSE PLANNING OUTDOOR ACTIVITIES OR TRAVEL THROUGH UTAH TONIGHT AND
SUNDAY...ESPECIALLY IN THE SOUTHERN MOUNTAINS...SHOULD BE PREPARED
FOR WINTER WEATHER. MOUNTAIN ROADS WILL LIKELY BECOME SNOWPACKED AND
SLIPPERY.
ADDITIONALLY...PEOPLE IN SOUTHERN UTAH WITH LIVESTOCK INTERESTS
SHOULD SEE THAT ANIMALS HAVE SUFFICIENT FEED AND PROTECTION DURING
THE WEEKEND.
FURTHER STATEMENTS WILL BE ISSUED AS THIS STORM DEVELOPS.
TM/DS...1754ZSpecial weather statement, Mar 7, 3:54 PM MST, 55 minutes before
UTZALL-080600-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
400 PM MST SAT MAR 7 1992
...SNOW ADVISORY SOUTHERN MOUNTAINS TONIGHT AND SUNDAY...
A SLOW MOVING STORM REMAINS OVER SOUTHERN CALIFORNIA LATE TODAY. THIS
STORM SYSTEM WILL MOVE VERY SLOWLY EASTWARD ACROSS ARIZONA TONIGHT
AND SUNDAY. THIS WILL PUSH MOIST AND UNSTABLE AIR INTO ABOUT THE
SOUTHERN THIRD OF UTAH THROUGH SUNDAY. IN ADDITION...COLDER AIR WILL
BE SPREADING ACROSS THE AREA MAINLY LATE TONIGHT AND SUNDAY.
THIS WILL CAUSE SNOW TO DEVELOP OVER MOST OF THE SOUTHERN UTAH
MOUNTAINS DURING THE NIGHT AND CONTINUE MUCH OF SUNDAY. THE HEAVIEST
SNOWFALL WILL BE IN ABOUT THE SOUTHERN QUARTER OF THE STATE.
ACCUMULATIONS THERE ARE EXPECTED TO BE ABOUT 3-6 INCHES AT THE 7000
FOOT LEVEL WITH 8-10 INCHES AT SOME OF THE HIGHER ELEVATIONS. A FEW
SOUTH AND EAST FACING SLOPES MAY GET LOCALLY HEAVIER AMOUNTS.
THEREFORE A SNOW ADVISORY WILL BE IN EFFECT FOR THE SOUTHERN
MOUNTAINS OF UTAH THROUGH SUNDAY. HIGH ELEVATION ROADS FEET MAY
BECOME SNOWPACKED AND SLICK AT TIMES. MOTORISTS PLANING TRAVEL
THROUGH THE SOUTHERN MOUNTAINS SHOULD BE PREPARED FOR WINTER DRIVING
CONDITIONS.
AS THE STORM SYSTEM CONTINUES EASTWARD SUNDAY NIGHT...THE SNOW WILL
GRADUALLY DECREASE FROM THE WEST. BY MONDAY ONLY WIDELY SCATTERED
SNOW SHOWERS ARE EXPECTED TO REMAIN.
ADDITIONAL STATEMENTS WILL BE ISSUED AS NEEDED.
DRS...072233ZNearby
Severe Thunderstorm Warnings in Utah, 1992Every severe thunderstorm warning in 1992
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.