Alert archive / Utah / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 3, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Apr 12, 1996, 6:51 PM MDT for Washington County, Utah. It was in force for 54 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 12, 1996, 6:51 PM MDT (00:51 UTC)
- Expired
- Apr 12, 1996, 7:45 PM MDT
- In force
- 54 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
County Washington County, UT
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 12, 7:00 PM MDT | Thunderstorm Wind 66 | (Sgu)St George Muni, UT |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 00:00Z, 0.9 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3124 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 139 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 130055 SVRSLC UTC053-130145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 651 PM MDT FRI APR 12 1996 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST UTAH ...SOUTH CENTRAL WASHINGTON COUNTY AT 645 PM THE PORT OF ENTRY NEAR BLOOMINGTON IN SOUTH CENTRAL WASHINGTON COUNTY REPORTED A GUST TO 60 MPH FROM A THUNDERSTORM MOVING THROUGH THE AREA. THE THUNDERSTORM WAS MOVING EAST NORTHEAST AT 15-20 MPH. TOWNS IN THE PATH OF THIS STORM INCLUDE WASHINGTON...HURRICANE...LA VERKIN...VIRGIN...GRAFTON...AND ROCKVILLE. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 57 MPH. & ERC...0051Z
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, Apr 12, 6:15 PM MDT, 36 minutes before
UTZ006-009-011-013-130200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 613 PM MDT FRI APR 12 1996 A LINE OF THUNDERSTORMS HAS BEEN MOVING EAST ACROSS THE VALLEYS OF SOUTHWEST UTAH DURING THE PAST HOUR PRODUCING BRIEF HEAVY RAIN...AND STRONG GUSTY WINDS OF 40-50 MPH WITH SOME HIGHER GUSTS. GUSTS IN EXCESS OF 50 MPH HAVE BEEN REPORTED FROM DELTA...CEDAR CITY...AND ST GEORGE AS THE COLD FRONT MOVED THROUGH THEIR REGION. THIS FRONT IS MOVING TO THE EAST AT 20-30 MPH AND WILL CONTINUE TO EFFECT EASTERN PORTIONS OF BEAVER...IRON...AND WASHINGTON COUNTIES DURING THE NEXT HOUR...AND PIUTE...WAYNE...GARFIELD...AND KANE COUNTIES UNTIL 9PM. IF THREATENING WEATHER APPROACHES YOUR AREA...SEEK SHELTER IMMEDIATELY. MS...0013Z
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 7:35 PM MDT | Severe Thunderstorm Warning | SLC | Kane, Washington | 60 min |
Nearby
Severe Thunderstorm Warnings in Utah, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.