Alert archive / Utah / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 1, NWS Salt Lake City, UT

June 1, 2002Juab County, Millard County, Tooele County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 1, 2002, 1:23 PM MDT for Juab County, Millard County, Tooele County, Utah. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 1, 2002, 1:23 PM MDT (19:23 UTC)
Expired
Jun 1, 2002, 2:00 PM MDT
In force
37 min
Issued by
NWS Salt Lake City, UT
Area
Counties, with a storm outline in the text

Counties Juab County, UT, Millard County, UT, Tooele County, UT

The radar

The Salt Lake City radar (KMTX), 161 km from the middle of the area, began a volume at 19:24 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 12:00Z, 7.4 hours before the alert went out and 126 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 12:00Z on 2002-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2002-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4442 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
113 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.

177 
WUUS55 KSLC 011923
SVRSLC
UTC023-027-045-012000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
122 PM MDT SAT JUN 1 2002

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN JUAB COUNTY IN UTAH
  NORTHEASTERN MILLARD COUNTY IN UTAH
  SOUTHEASTERN TOOELE COUNTY IN UTAH
  THIS INCLUDES THE CITY OF DUGWAY

* UNTIL 200 PM MDT

* AT 113 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 44 MILES SOUTH OF DUGWAY TO 75
  MILES SOUTHEAST OF DUGWAY...OR FROM 19 MILES NORTH OF DELTA TO 2
  MILES NORTHWEST OF SCIPIO...MOVING NORTHEAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE...
OVER RURAL NORTHEASTERN MILLARD COUNTY AT 140 PM MDT
OVER RURAL EASTERN JUAB COUNTY AT 140 PM MDT

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 4000 11329 3923 11218 3952 11181 4036 11285

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 1:49 PM MDTSevere Thunderstorm WarningSLCJuab, Tooele, Utah41 min
Jun 1, 2:28 PM MDTSevere Thunderstorm WarningSLCBox Elder, Davis, Salt Lake, Tooele, Utah, Weber47 min
Jun 1, 3:00 PM MDTSevere Thunderstorm WarningSLCBox Elder, Davis, Salt Lake, Tooele, Utah, Wasatch and 1 more30 min
Jun 1, 3:22 PM MDTSevere Thunderstorm WarningSLCBox Elder, Cache, Davis, Duchesne, Morgan, Salt Lake and 3 more38 min
Jun 1, 4:00 PM MDTSevere Thunderstorm WarningSLCBox Elder, Cache, Duchesne, Morgan, Rich, Summit and 2 more45 min
Jun 1, 4:46 PM MDTSevere Thunderstorm WarningSLCRich, Summit29 min

Nearby

Severe Thunderstorm Warnings in Utah, 2002Every severe thunderstorm warning in 2002

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.