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3 products issued by NWS for: Alta UT
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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
440 AM MST SAT DEC 20 2014

UTZ001>016-019>021-517-518-WYZ021-211300-
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-
440 AM MST SAT DEC 20 2014

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

.DAY ONE...TODAY AND TONIGHT

A MOIST WESTERLY FLOW WILL KEEP A THREAT OF LIGHT VALLEY RAIN AND
MOUNTAIN SNOW ACROSS THE NORTHWEST OUTLOOK AREA TODAY. MOISTURE
WILL INCREASE TONIGHT WITH VALLEY RAIN AND MOUNTAIN SNOW BECOMING
MORE WIDESPREAD ACROSS THE NORTH OVERNIGHT. SIGNIFICANT SNOWFALL
IS EXPECTED ACROSS THE MOUNTAINS ABOVE ABOUT 7000 FEET. STRONG
WINDS WILL ALSO DEVELOP ACROSS THE NORTHERN MOUNTAINS AND WILL
CREATE AREAS OF BLOWING AND DRIFTING SNOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

VALLEY RAIN AND HIGH ELEVATION MOUNTAIN SNOW WILL CONTINUE ACROSS
THE NORTHERN OUTLOOK AREA SUNDAY THROUGH SUNDAY NIGHT. HEAVY SNOW
AND STRONG WINDS WILL CREATE HAZARDOUS TRAVEL CONDITIONS AT HIGHER
ELEVATIONS. RAIN IS EXPECTED BELOW ABOUT 7500 TO 8000 FEET
RESULTING IN A REDUCED IMPACT ACROSS THE SUMMITS OF MOST OF THE
MAJOR ROUTES THROUGH THE NORTHERN MOUNTAINS.

SNOW LEVELS WILL FALL BACK DOWN TO AROUND 5000 FEET ON MONDAY BUT
PRECIPITATION WILL BE TURNING SHOWERY AND TAPERING OFF DURING THE
DAY AS WELL.

THERE WILL BE A CHANCE OF SNOW AGAIN ACROSS PORTIONS OF THE
OUTLOOK AREA WEDNESDAY NIGHT AND CHRISTMAS DAY.


.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



Avalanche Watch

UTZ007>010-210000-

URGENT - IMMEDIATE BROADCAST REQUESTED
BACKCOUNTRY AVALANCHE WATCH
FOREST SERVICE UTAH AVALANCHE CENTER
RELAYED BY NATIONAL WEATHER SERVICE SALT LAKE CITY UT
530 AM MST SAT DEC 20 2014

THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE
FOREST SERVICE UTAH AVALANCHE CENTER.

THIS AVALANCHE WATCH IS FOR THE WASATCH...BEAR RIVER AND WESTERN
UINTA MOUNTAIN RANGES AND FOR THE NORTHWESTERN PORTIONS OF THE
WASATCH PLATEAU.

A WARM WINTER STORM WITH HEAVY SNOW AND STRONG WINDS WILL RAPIDLY
INCREASE THE AVALANCHE DANGER BEGINNING TONIGHT AND CONTINUING
THROUGH MONDAY.

MONITOR LATER AVALANCHE STATEMENTS FOR UPDATES ON THESE
INCREASINGLY DANGEROUS AVALANCHE CONDITIONS.

THIS WATCH DOES NOT INCLUDE SKI AREAS OR HIGHWAYS WHERE AVALANCHE
CONTROL IS NORMALLY DONE.

FOR MORE INFORMATION VISIT WWW.AVALANCHE.ORG
OR CALL 1-888-999-4019.

$$



Winter Storm Warning

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
418 AM MST SAT DEC 20 2014

UTZ007>010-202000-
/O.UPG.KSLC.WS.A.0005.141221T0900Z-141223T0100Z/
/O.NEW.KSLC.WS.W.0009.141221T0700Z-141223T0100Z/
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...ALTA...BRIGHTON...
MIRROR LAKE HIGHWAY...SCOFIELD
418 AM MST SAT DEC 20 2014

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
MST MONDAY ABOVE 7000 FEET...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
WINTER STORM WARNING ABOVE 7000 FEET FOR HEAVY SNOW AND STRONG
WINDS...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MST
MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...THE WASATCH AND WESTERN UINTA MOUNTAIN RANGES
  AND THE NORTHWESTERN PORTIONS OF THE WASATCH PLATEAU.

* SNOW ACCUMULATIONS...ACCUMULATIONS OF 10 TO 20 INCHES...
  PRIMARILY ABOVE ABOUT 7500 FEET. LOCALLY GREATER AMOUNTS ARE
  POSSIBLE ABOVE 8000 FEET ACROSS THE WASATCH RANGE.

* TIMING...SNOW WILL INCREASE ACROSS THE WASATCH MOUNTAINS
  TONIGHT...THEN SPREAD SOUTH AND EAST ACROSS THE REMAINDER OF THE
  NORTHERN MOUNTAINS BY EARLY SUNDAY. RAIN AND SNOW WILL CONTINUE
  HEAVY AT TIMES SUNDAY THROUGH EARLY MONDAY...THEN GRADUALLY
  DECREASE IN INTENSITY AND AREAL COVERAGE MONDAY AFTERNOON.

* SNOW LEVELS...SNOW LEVELS AT THE BEGINNING OF THE STORM WILL BE
  NEAR 6000 FEET. SNOW LEVELS WILL RISE TO NEAR 7500 TO 8000 FEET
  SUNDAY MORNING AND REMAIN HIGH SUNDAY NIGHT THEN LOWER AGAIN
  BELOW 6000 FEET ON MONDAY.

* WINDS...STRONG NORTHWEST WINDS WILL DEVELOP ALONG RIDGELINES AND
  ACROSS EXPOSED AREAS BY SUNDAY MORNING. WINDS OF 25 TO 35 MPH
  WITH GUSTS IN EXCESS OF 50 MPH ARE EXPECTED. GUSTS OVER 75 MPH
  ARE POSSIBLE ACROSS THE HIGHER RIDGES.

* IMPACTS...HEAVY SNOW ALONG WITH THE POTENTIAL FOR SIGNIFICANT
  BLOWING AND DRIFTING OF SNOW WILL MAKE FOR HAZARDOUS TRAVEL
  CONDITIONS AT HIGHER ELEVATIONS THROUGHOUT THIS STORM. TRAVEL
  ACROSS THE SUMMITS ALONG MAJOR ROUTES THROUGH THE NORTHERN
  MOUNTAINS WILL BE INITIALLY IMPACTED TONIGHT INTO EARLY SUNDAY
  THEN SNOW LEVELS WILL RISE ABOVE MOST OF THESE PASSES SUNDAY
  MORNING REDUCING OR ENDING THE IMPACT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A MIXTURE OF HEAVY SNOW AND STRONG
WINDS ARE EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE
HAZARDOUS. USE CAUTION. BE PREPARED FOR SUDDEN RESTRICTIONS IN
VISIBILITY DUE TO BLOWING SNOW. KEEP A WINTER STORM SURVIVAL KIT
IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF
TRANSPORTATION...VISIT
HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL
511.

&&

$$

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

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



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