Alert archive / Utah / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 10, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at May 30, 1995, 1:42 PM MDT for Box Elder County, Utah. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- May 30, 1995, 1:42 PM MDT (19:42 UTC)
- Expired
- May 30, 1995, 2:45 PM MDT
- In force
- 63 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
County Box Elder County, UT
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 7.7 hours before the alert went out and 129 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1661 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 153 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 301944 SVRSLC UTC003-302045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 142 PM MDT TUE MAY 30 1995 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 245 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST UTAH ...WESTERN BOX ELDER COUNTY AT 138 PM DOPPLER WEATHER RADAR SHOWED SEVERAL STRONG THUNDERSTORMS IN WESTERN BOX ELDER COUNTY. THE STRONGEST WAS ABOUT 5 MILES SOUTH OF PARK VALLEY. IT IS LIKELY TO PRODUCT STRONG GUSTY WINDS...HEAVY RAIN...AND HAIL. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, May 30, 12:29 PM MDT, 1 hour 13 minutes before
UTZALL-302300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1230 PM MDT MON MAY 29 1995 ...THUNDERSTORMS INCREASING OVER NORTHERN UTAH... A WEAK UPPER LEVEL DISTURBANCE OVER SOUTHERN IDAHO WAS CAUSING THUNDERSTORMS TO INCREASE RAPIDLY OVER NORTHERN UTAH EARLY THIS AFTERNOON. AT 1220 PM THE MOST ACTIVE THUNDERSTORM AREAS WERE OVER THE WESTERN DESERTS AND THE NORTHERN MOUNTAINS. ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER MOST OF THE STATE THROUGH THE AFTERNOON AND EARLY EVENING HOURS. THE NORTHERN HALF OF THE STATE IS EXPECTED TO REMAIN THE MOST ACTIVE. LIGHTNING WILL BE THE GREATEST HAZARD FROM MOST OF THE THUNDERSTORMS TODAY. HOWEVER...A FEW OF THE THUNDERSTORMS IN THE NORTH WILL BE STRONG ENOUGH TO PRODUCE STRONG GUSTY WINDS...LOCALLY HEAVY RAINFALL...AND SMALL HAIL. AT 1220 PM TWO STRONG THUNDERSTORMS WERE IN EXTREME SOUTHERN IDAHO ABOUT TO MOVE INTO BOX ELDER COUNTY. ONE OF THESE WAS OVER INTERSTATE 84 AND THE OTHER WAS NEAR THE NEVADA BORDER. THE GENERAL MOVEMENT OF THE THUNDERSTORMS TODAY WILL BE TOWARD THE SOUTH AT 10-15 MPH. IF YOU ARE CAUGHT OUTSIDE IN A THUNDERSTORM...DO NOT STAND UNDERNEATH A TALL ISOLATED TREE OR NEAR A TELEPHONE POLE. THESE OBJECTS ARE MOST LIKELY TO BE STRUCK BY LIGHTNING. SEEK SHELTER IN A BUILDING OR VEHICLE WHEN THUNDERSTORMS APPROACH. DRS 1827Z
Nearby
Severe Thunderstorm Warnings in Utah, 1995Every severe thunderstorm warning in 1995
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.