Wind Advisory 18, NWS Salt Lake City, UT

000 
WWUS75 KSLC 142159
NPWSLC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
359 PM MDT WED JUN 14 2006

UTZ013-018-020-021-142300-
/O.CAN.KSLC.WI.Y.0018.000000T0000Z-060614T2200Z/
SAN RAFAEL SWELL-HENRY MOUNTAINS-SOUTH CENTRAL UTAH-
GLEN CANYON RECREATION AREA/LAKE POWELL-
359 PM MDT WED JUN 14 2006

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE
WIND ADVISORY FOR SOUTH CENTRAL AND SOUTHEAST UTAH. WINDS ARE
EXPECTED TO BE BELOW ADVISORY CRITERIA FOR THE REMAINDER OF THE
DAY...ALTHOUGH WEST TO SOUTHWEST WINDS OF 20-30 MPH WITH GUSTS TO
40 MPH MAY STILL OCCUR OVER PORTIONS OF SOUTH CENTRAL AND
SOUTHEAST UTAH THROUGH THIS EVENING.

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1120 AM MDT WED JUN 14 2006

.SYNOPSIS...A COLD FRONT MOVING THROUGH CENTRAL UTAH WILL USHER A
COOLER AIRMASS INTO NORTHERN UTAH THROUGH THURSDAY. AHEAD OF THIS
FRONT GUSTY SOUTHWEST WINDS ARE EXPECTED ACROSS SOUTH CENTRAL AND
SOUTHEAST UTAH TODAY.  THE UPPER LEVEL TROUGH OVER THE GREAT BASIN
WILL EXIT THE AREA ON FRIDAY ALLOWING AN UPPER LEVEL RIDGE TO BUILD
BACK INTO THE REGION FOR THE WEEKEND.

&&

.DISCUSSION...MID LEVEL COLD POOL MOVING ACROSS NRN UT THIS
MORNING.  AS THE 500 MB COLD MOVES THROUGH THE AREA MID LEVEL LAPSE
RATES HAVE STEEPENED.  AREA OF SHOWERS AND THUNDERSTORMS HAVE
DEVELOPED ALONG THE LEADING EDGE OF THE MID LEVEL COLD POOL AND THE
7H BAROCLINIC ZONE.  THIS WILL BRING NUMEROUS SHOWERS AND
THUNDERSTORMS TO THE NORTHERN WASATCH FRONT...CACHE VALLEY...AND
NORTHERN MOUNTAINS THROUGH EARLY AFTERNOON.  THEREFORE HAVE BUMPED
POPS FOR THIS AREA INTO THE EARLY AFTERNOON.  BEHIND THE 7H
BAROCLINIC ZONE THE ACTIVITY WILL BE MORE SCATTERED BENEATH THE MID
LEVEL COLD POOL THIS AFTERNOON.

WIND SHIFT ASSOCIATED WITH COLD FRONT NOW STRETCHES FROM THE
NORTHEAST PORTION OF THE STATE INTO SW UT.  AHEAD OF THE COLD FRONT
7H FLOW WILL BE IN THE 30-40 KT RANGE ACROSS SOUTH CENTRAL AND
SOUTHEAST UT THIS AFTERNOON.  THIS IN CONCERT WITH DEEP MIXING AND A
TIGHT SURFACE GRADIENT IN THIS REGION WILL LEAD TO GUSTY SW WINDS
THIS AFTERNOON.  HAVE HOISTED WIND ADVISORY FOR THE AFTERNOON FOR
THE SE PORTION OF THE CWA.

&&

.AVIATION...SEE LATEST SLCTAFSLC.

&&

.FIRE WEATHER...FRONTAL BOUNDARY CURRENTLY PUSHING OVER THE STATE
WILL MODERATE FIRE WEATHER CONDITIONS BEHIND IT. AREA OF FOCUS
TODAY FOR CRITICAL FIRE WEATHER DANGER APPEARS TO BE SOUTH
CENTRAL...EAST CENTRAL...AND SOUTHEASTERN UTAH. RED FLAG WARNING FOR
SOUTH CENTRAL AND SOUTHEAST UTAH HAS BEEN EXPANDED INTO THE WEST
CENTRAL PORTION OF THE STATE FOR THIS AFTERNOON. FIRE WEATHER
WARNING HAS ALSO BEEN ISSUED FOR THURSDAY FOR EXTREME SOUTHEAST
PORTION OF THE STATE.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...WIND ADVISORY IN EFFECT UNTIL 400 PM WEDNESDAY FOR
     UTZ013-018-020-021

     RED FLAG WARNING UNTIL TO 9 PM WEDNESDAY FOR UTZ431>441.

     RED FLAG WARNING FROM NOON THURSDAY TO 9 PM THURSDAY FOR
     UTZ441.

WY...NONE.
&&

RG

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
621 AM MDT WED JUN 14 2006

UTZ001>009-015-016-WYZ021-151230-
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-WEST CENTRAL UTAH-SOUTHWEST UTAH-
SOUTHWEST WYOMING-
621 AM MDT WED JUN 14 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL UTAH...
NORTHERN UTAH...SOUTHERN UTAH AND SOUTHWEST WYOMING.

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT MOVING OVER THE AREA HAS COOLED TEMPERATURES FOR
TODAY...BUT ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE
EXPECTED TO DEVELOP AGAIN TODAY. WHILE WIDESPREAD STRONG WINDS WILL
NOT BE PRESENT LIKE YESTERDAY...OUTFLOW WINDS FROM THUNDERSTORMS
MAY STILL PRODUCE ERRATIC AND GUSTY WINDS TO 40 MPH...AND IN
ADDITION...A FEW OF THESE THUNDERSTORMS MAY CONTAIN LITTLE OR NO
RAIN...AND LIGHTNING STRIKES FROM THESE STORMS MAY CAUSE
ADDITIONAL FIRES TO START.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

MOISTURE AND INSTABILITY WILL REMAIN OVER THE AREA THROUGH FRIDAY
BRINGING A SLIGHT CHANCE TO CHANCE FOR SHOWERS AND THUNDERSTORMS.
A WEAK RIDGE OF HIGH PRESSURE IS EXPECTED TO BUILD OVER THE AREA
FOR THE WEEKEND BRINGING A WARMING AND DRYING TREND. FIRE WEATHER
CONDITIONS COULD BECOME CRITICAL BY THE END OF THE WEEKEND WHILE A
TROUGH BEGINS TO SHARPEN OFF THE WEST COAST.

.SPOTTER INFORMATION STATEMENT...

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

UTZ010>014-017>021-151230-
WASATCH PLATEAU/BOOK CLIFFS-WESTERN UINTA BASIN-CASTLE COUNTRY-
SAN RAFAEL SWELL-SANPETE/SEVIER VALLEYS-
CENTRAL AND SOUTHWEST MOUNTAINS-HENRY MOUNTAINS-
UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH-
GLEN CANYON RECREATION AREA/LAKE POWELL-
621 AM MDT WED JUN 14 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL UTAH...
NORTHERN UTAH AND SOUTHERN UTAH EAST OF THE MOUNTAINS.

.DAY ONE...TODAY AND TONIGHT

A SLOW-MOVING COLD FRONT DRAPED OVER NORTHERN AND CENTRAL UTAH AND
STRONG SOUTHWESTERLY FLOW ALOFT WILL BRING WARM AND DRY CONDITIONS ONCE
AGAIN TO THE AREA. RED FLAG WARNINGS ARE POSTED FOR THE AFFECTED
AREAS AS BREEZY TO WINDY CONDITIONS ARE EXPECTED TO DEVELOP AGAIN
OVER THE AREA. IN SOME AREAS...STRONG WINDS WILL COMBINE WITH THE
DRY AIRMASS IN PLACE TO BRING SEVERE FIRE WEATHER CONDITIONS.
ISOLATED DRY THUNDERSTORMS ARE ALSO POSSIBLE JUST AHEAD OF THE
FRONT WHERE ENOUGH MOISTURE IS PRESENT TO ALLOW FOR DEVELOPMENT.
FIRE WEATHER CONDITIONS ARE EXPECTED TO MODERATE TONIGHT AS THE
ATMOSPHERE STABILIZES SOME WITH THE LOSS OF DAYTIME HEATING AND
AS THE FRONT PUSHES OVER THE MAJORITY OF THE AREA COOLING AND
SLIGHTLY MOISTENING THE AIRMASS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

MOISTURE AND INSTABILITY WILL REMAIN OVER THE AREA THROUGH FRIDAY
BRINGING A SLIGHT CHANCE TO CHANCE FOR SHOWERS AND THUNDERSTORMS.
A WEAK RIDGE OF HIGH PRESSURE IS EXPECTED TO BUILD OVER THE AREA
FOR THE WEEKEND BRINGING A WARMING AND DRYING TREND. FIRE WEATHER
CONDITIONS COULD BECOME CRITICAL BY THE END OF THE WEEKEND WHILE A
TROUGH BEGINS TO SHARPEN OFF THE WEST COAST.

.SPOTTER INFORMATION STATEMENT...

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