Alert archive / Utah / Special Weather Statements in 2016

Special Weather Statement, NWS Salt Lake City, UT

September 13, 2016Emery County, Utah

NWS Salt Lake City, UT issued this special weather statement at Sep 13, 2016, 12:49 PM MDT for Emery County, Utah. It was in force for 41 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
Sep 13, 2016, 12:49 PM MDT (18:49 UTC)
Expired
Sep 13, 2016, 1:30 PM MDT
In force
41 min
Issued by
NWS Salt Lake City, UT

County Emery County, UT

The radar

The Grand Junction radar (KGJX), 231 km from the middle of the area, began a volume at 18:48 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

Elko, NV (KLKN), launched 12:00Z, 6.8 hours before the alert went out and 341 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, Elko, NV at 12:00Z on 2016-09-13Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 12:00Z on 2016-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1335 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Sep 13, 10:03 AM MDT, 2 hours 46 minutes earlier.

Area forecast discussion, Sep 13, 10:03 AM MDT, 2 hours 46 minutes before
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Hazardous weather outlook, Sep 13, 5:17 AM MDT, 7 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
517 AM MDT TUE SEP 13 2016

UTZ001>016-019>021-517-518-WYZ021-141230-
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-
517 AM MDT TUE SEP 13 2016

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

.DAY ONE...TODAY AND TONIGHT

GUSTY WINDS AND LOW HUMIDITY WILL BRING HAZARDOUS FIRE WEATHER
CONDITIONS TO THE WESTERN OUTLOOK AREA TODAY. WINDS WILL BECOME
STRONG ENOUGH ACROSS THE WESTERN VALLEYS TO IMPACT TRAVEL WITH
STRONG CROSSWINDS AND REDUCED VISIBILITIES IN BLOWING DUST.

STRONG THUNDERSTORMS ARE POSSIBLE ACROSS THE EASTERN OUTLOOK AREA
THIS AFTERNOON AND EVENING. THESE COULD PRODUCE VERY STRONG
OUTFLOW WINDS AND HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

COOLER AIR WILL SPREAD INTO THE OUTLOOK AREA ON WEDNESDAY. A
WARMING TREND IS EXPECTED FOR THE END 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)

FOR INFORMATION ON POTENTIAL ROAD TRAVEL IMPACTS VISIT...
HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX

In the hours before

Special weather statement, Sep 13, 12:15 PM MDT, 34 minutes before
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Special weather statement, Sep 13, 12:49 PM MDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 12:15 PM MDTSpecial Weather StatementSLCGarfield45 min
Sep 13, 1:09 PM MDTSpecial Weather StatementSLCWayne51 min
Sep 13, 2:48 PM MDTSpecial Weather StatementSLCCarbon27 min
Sep 13, 2:57 PM MDTSpecial Weather StatementSLCEmery33 min
Sep 13, 5:14 PM MDTSpecial Weather StatementSLCEmery31 min
Sep 13, 5:42 PM MDTSpecial Weather StatementSLCDavis, Salt Lake33 min

Nearby

Special Weather Statements in Utah, 2016Every special weather statement in 2016

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.