Alert archive / Utah / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 9, NWS Salt Lake City, UT

June 12, 2001Carbon County, Emery County, Sanpete County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 12, 2001, 6:28 PM MDT for Carbon County, Emery County, Sanpete County, Utah. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 12, 2001, 6:28 PM MDT (00:28 UTC)
Expired
Jun 12, 2001, 7:30 PM MDT
In force
62 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Carbon County, UT, Emery County, UT, Sanpete County, UT

The radar

The Salt Lake City radar (KMTX), 227 km from the middle of the area, began a volume at 00:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 0.5 hours before the alert went out and 158 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 00:00Z on 2001-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 00:00Z on 2001-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -125 square meters per square second.19395878Sfc1 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
5 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
691 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
-125 m²/s²
0-3 km storm-relative helicity
-227 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.

530 
WUUS55 KSLC 130029
SVRSLC
UTC007-015-039-130130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
628 PM MDT TUE JUN 12 2001

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN CARBON COUNTY IN UTAH
  THIS INCLUDES THE CITY OF PRICE
  NORTHWESTERN EMERY COUNTY IN UTAH
  EAST CENTRAL SANPETE COUNTY IN UTAH

* UNTIL 730 PM MDT

* AT 613 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTHEAST OF EPHRAIM...OR ABOUT 6 MILES
  EAST OF MANTI...MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  6 MILES NORTH OF HUNTINGTON AT 700 PM MDT
  9 MILES SOUTH OF PRICE AT 720 PM MDT
  3 MILES SOUTH OF WELLINGTON AT 725 PM MDT

THIS STORM HAS AN HISTORY OF VERY STRONG WINDS IN EXCESS OF 60 MPH. 

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN SALT LAKE CITY.

LAT...LON 3942 11170 3921 11147 3919 11097 3943 11050
          3978 11093 3975 11118

Nearby

Severe Thunderstorm Warnings in Utah, 2001Every severe thunderstorm warning in 2001

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; radar from the NEXRAD Level II archive.