Alert archive / Utah / Special Weather Statements in 2010

Special Weather Statement, NWS Salt Lake City, UT

July 26, 2010Garfield County, Utah

NWS Salt Lake City, UT issued this special weather statement at Jul 26, 2010, 2:02 PM MDT for Garfield County, Utah. It was in force for 58 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
Jul 26, 2010, 2:02 PM MDT (20:02 UTC)
Expired
Jul 26, 2010, 3:00 PM MDT
In force
58 min
Issued by
NWS Salt Lake City, UT

County Garfield County, UT

The radar

The Cedar City radar (KICX), 107 km from the middle of the area, began a volume at 20:06 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

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 8.0 hours before the alert went out and 296 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, Flgstf/Belemont, AZ at 12:00Z on 2010-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 601 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 12:00Z on 2010-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 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
601 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1030 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
116 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Salt Lake City, UT wrote its last area forecast discussion before this special weather statement went out at Jul 26, 9:31 AM MDT, 4 hours 31 minutes earlier.

Area forecast discussion, Jul 26, 9:31 AM MDT, 4 hours 31 minutes before
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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jul 26, 6:14 AM MDT, 7 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
614 AM MDT MON JUL 26 2010

UTZ001>016-019>021-517-518-WYZ021-271215-
CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT-
SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT-
GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS-
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL-
SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH-
UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH-
GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS-
SOUTHERN MOUNTAINS-SOUTHWEST WYOMING-
614 AM MDT MON JUL 26 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF
UTAH AND FAR SOUTHWEST WYOMING.

.DAY ONE...TODAY AND TONIGHT

A MOIST AIRMASS WILL SPREAD ACROSS THE ENTIRE OUTLOOK AREA TODAY
AND TONIGHT. SHOWERS AND THUNDERSTORMS WILL BECOME SCATTERED
ACROSS THE AREA THIS AFTERNOON AND CONTINUE INTO THIS EVENING.

STORMS OVER THE NORTH AND WEST WILL GENERATE STRONG MICROBURST
WINDS AND DRY LIGHTNING...RESULTING IN HAZARDOUS FIRE WEATHER
CONDITIONS.

HEAVY RAIN IS POSSIBLE WITH STORMS ACROSS THE FAR SOUTH...WITH A
THREAT OF LOCALIZED FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE MOIST AIRMASS WILL REMAIN IN PLACE THROUGH MOST OF THE
WEEK...RESULTING IN SCATTERED SHOWERS AND THUNDERSTORMS EACH
DAY...MAINLY IN THE AFTERNOONS AND EVENINGS.

HEAVY RAIN...ALONG WITH A THREAT OF FLASH FLOODING...WILL BE
POSSIBLE WITH STORMS OVER SOUTHERN AND CENTRAL UTAH TUESDAY.
THE HEAVY RAIN THREAT WILL SPREAD INTO THE NORTHERN OUTLOOK AREA
WEDNESDAY AND THEN CONTINUE ACROSS ALL OF THE OUTLOOK AREA INTO
THE LATTER PART OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

In the hours before

Special weather statement, Jul 26, 2:02 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
202 PM MDT MON JUL 26 2010

UTZ020-518-262100-
SOUTH CENTRAL UTAH UT-SOUTHERN UTAH MOUNTAINS UT-
202 PM MDT MON JUL 26 2010

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL GARFIELD COUNTY UNTIL 300
PM MDT...

AT 157 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES NORTHWEST OF ESCALANTE...MOVING NORTHEAST
AT 10 MPH.

PENNY TO NICKEL SIZE HAIL IS EXPECTED WITH THIS STORM...ALONG WITH
TORRENTIAL HEAVY RAIN...AND FREQUENT CLOUD TO GROUND LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  RURAL CENTRAL GARFIELD COUNTY ALONG THE ESCALANTE MOUNTAINS
  NORTHWEST OF THE TOWN OF ESCALANTE.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3801 11176 3793 11153 3774 11166 3777 11185
TIME...MOT...LOC 2001Z 208DEG 9KT 3782 11172

SEAMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 2:01 AM MDTRed Flag WarningSLC15 hr
Jul 26, 1:06 PM MDTAreal Flood AdvisorySLCGarfield114 min
Jul 26, 2:33 PM MDTFlash Flood WarningSLCKane117 min
Jul 26, 2:52 PM MDTSpecial Weather StatementSLCCarbon23 min
Jul 26, 3:19 PM MDTFlash Flood WarningSLCGarfield111 min
Jul 26, 3:22 PM MDTSpecial Weather StatementSLCCarbon23 min
Jul 26, 3:47 PM MDTSpecial Weather StatementSLCCarbon43 min
Jul 26, 4:13 PM MDTSpecial Weather StatementSLCEmery32 min
Jul 26, 5:08 PM MDTSpecial Weather StatementSLC52 min
Jul 26, 5:09 PM MDTSpecial Weather StatementSLCEmery36 min

Nearby

Special Weather Statements in Utah, 2010Every special weather statement in 2010

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.