Hazardous Weather Outlook
Issued by NWS Salt Lake City, UT

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FLUS45 KSLC 151127
HWOSLC

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
527 AM MDT MON SEP 15 2014

UTZ001>016-019>021-517-518-WYZ021-161200-
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-
527 AM MDT MON SEP 15 2014

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

.DAY ONE...TODAY AND TONIGHT

A WEAK WEATHER DISTURBANCE CROSSING NORTHERN UTAH WILL SPAWN
ISOLATED LIGHT SHOWERS EARLY THIS MORNING. ISOLATED SHOWERS WILL
BEGIN TO SHOW UP OVER THE HIGHER TERRAIN OF SOUTHERN AND CENTRAL
UTAH LATER THIS MORNING...AND CONTINUE INTO EARLY THIS EVENING. AN
ISOLATED THUNDERSTORM IS ALSO POSSIBLE OVER THE SOUTHERN MOUNTAINS
DURING THE ATFERNOON HOURS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

STRONG HIGH PRESSURE ALOFT ACROSS THE OUTLOOK AREA WILL LEAD TO
ABOVE NORMAL TEMPERATURES TUESDAY AFTERNOON...AND ACROSS MANY
AREAS AGAIN OF WEDNESDAY. ISOLATED AFTERNOON AND EARLY EVENING
SHOWERS AND THUNDERSTORMS ARE POSSIBLE OVER MAINLY THE HIGHER
TERRAIN.

MAJOR CHANGES ARE IN STORE FOR THE LATTER HALF OF THE WEEK.
TROPICAL MOISTURE POOLED TO THE SOUTH OF UTAH WILL SURGE NORTH
LATE WEDNESDAY THROUGH THURSDAY. SHOWERS AND THUNDERSTORMS WILL
INCREASE ACROSS WESTERN AND SOUTHERN UTAH BEGINNING WEDNESDAY
AFTERNOON. ISOLATED HEAVY RAINFALL COULD DEVELOP OUT OF THESE
SHOWERS AND STORMS OVER SOUTHWEST UTAH WEDNESDAY NIGHT.

WIDESPREAD RAIN IS ANTICIPATED ACROSS THE ENTIRE OUTLOOK AREA ON
THURSDAY. HEAVY RAINFALL IS EXPECTED...ESPECIALLY ACROSS SOUTH-
CENTRAL AND WESTERN UTAH. FLASH FLOODING COULD BECOME AN ISSUE
THURSDAY...ESPECIALLY IN THE FLOOD PRONE AREAS OF SOUTHERN UTAH.

AN UPPER LEVEL PACIFIC TROUGH WILL SWING EAST INTO THE WESTERN
GREAT BASIN FRIDAY. THE POTENTIAL FOR HEAVY RAIN WILL CONTINUE ON
FRIDAY...THOUGH MUCH OF THIS THREAT WILL BE CONFINED TO SOUTHERN
AND EASTERN UTAH.

FOR THE WEEKEND DRIER AIR WILL SETTLE INTO THE NORTHERN THIRD OF
UTAH AND SOUTHWEST WYOMING...BRINGING AN END TO MOST SHOWER AND
THUNDERSTORM ACTIVITY. FOR THE REMAINDER OF THE OUTLOOK AREA
RESIDUAL MOISTURE WILL KEEP SHOWERS AND THUNDERSTORMS IN
FORECAST...WITH LOCALLY HEAVY RAIN STILL A POSSIBILITY THROUGHOUT
THE WEEKEND.

.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



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