HAZARDOUS WEATHER OUTLOOK
Issue Date: 644 AM MST MON DEC 21 2009
Expiration: 700 AM MST TUE DEC 22 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND SOUTHERN VALLEYS
OF UTAH...AND THE MOUNTAINS OF UTAH.
.DAY ONE...TODAY AND TONIGHT
LOW CLOUDS AND FOG WILL COVER THE NORTHERN AND CENTRAL WASATCH
FRONT...TOOELE VALLEY AND THE SALT FLATS MUCH OF TODAY. PATCHY
DENSE FOG WILL EXIST ALONG THE FOOTHILLS THROUGH MID-MORNING. FOG
WILL NOT BE AS EXTENSIVE TONIGHT AHEAD OF THE NEXT PACIFIC STORM
FOR TUESDAY THROUGH WEDNESDAY EVENING.
THIS NEXT STORM WILL BRING SUBSTANTIAL SNOWFALL TO THE MOST
MOUNTAINS THROUGH WEDNESDAY EVENING. A WINTER STORM WATCH FOR
HEAVY SNOW WILL BE IN EFFECT BEGINNING LATE TONIGHT...AND
CONTINUE THROUGH WEDNESDAY EVENING. A NUMBER OF WESTERN VALLEY
LOCATIONS COULD ALSO RECEIVE HEAVY SNOW...WITH AREAS ALONG THE
I-15 CORRIDOR FROM NEAR SALT LAKE CITY SOUTH TO CEDAR CITY THE
MOST PRONE AREAS FOR HEAVY SNOW. A WINTER STORM WATCH WILL ALSO BE
IN EFFECT FOR MOST WESTERN VALLEYS FOR TUESDAY THROUGH WEDNESDAY.
A DRIER AND MORE STABLE NORTHERLY FLOW ALOFT WILL DEVELOP LATE
THIS WEEK. SNOW WILL END MOST AREAS CHRISTMAS EVE...WITH DRY
CONDITIONS EXPECTED THROUGH THE COMING WEEKEND.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
A PACIFIC STORM SYSTEM IS EXPECTED TO MOVE INTO THE REGION MONDAY
NIGHT AND TUESDAY...BRINGING A GOOD CHANCE FOR SNOWFALL TO MUCH OF
THE HIGHER TERRAIN. THERE IS ALSO A CHANCE FOR ACCUMULATING
SNOWFALL ACROSS MOST VALLEY LOCATIONS ACROSS THE STATE ABOVE 4000
FEET.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
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