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Winter Storm Watch


URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
243 PM MST THU NOV 27 2014

MTZ009-010-014-048-280945-
/O.NEW.KTFX.WS.A.0012.141129T0000Z-141130T0600Z/
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-
CENTRAL AND SOUTHERN LEWIS AND CLARK-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
CUT BANK...FLESHER PASS...LINCOLN...MACDONALD PASS...
ROGERS PASS...CHOTEAU
243 PM MST THU NOV 27 2014

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY EVENING.

* TIMING AND MAIN IMPACT: A STRONG COLD FRONT WILL CROSS INTO NORTH
  CENTRAL MONTANA LATE FRIDAY AFTERNOON. SNOW WILL DEVELOP WITH
  THIS FRONT AND BECOME HEAVY AT TIMES SATURDAY MORNING. SNOW WILL
  TAPER FROM NORTH TO SOUTH SATURDAY EVENING.

* SNOW ACCUMULATIONS: 4 TO 8 INCHES OF SNOW ARE POSSIBLE AT
  ELEVATIONS BELOW 6000 FEET. 10 TO 20 INCHES OF SNOW ARE POSSIBLE
  ABOVE 6000 FEET. THE HEAVIEST RATE OF SNOWFALL SHOULD OCCUR
  FRIDAY NIGHT.

* WINDS AND VISIBILITY: NORTH WINDS OF 15 MPH WITH GUSTS TO 30 MPH
  ARE POSSIBLE AFTER THE FRONT PASSES.

* TEMPERATURES: TEMPERATURES WILL FALL FRIDAY NIGHT AND SATURDAY
  TO AROUND ZERO TO 15 DEGREES BELOW ZERO. WIND CHILL TEMPERATURES
  COULD DROP BELOW -20 BY SATURDAY EVENING.

* LOCATIONS AFFECTED INCLUDE: CUT BANK...CHOTEAU...FLESHER
  PASS...LINCOLN...MACDONALD PASS...ROGERS PASS...BROWNING...
  MARIAS PASS.

* NOTE: THIS WINTER STORM WATCH DOES NOT INCLUDE THE HELENA VALLEY.

* TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT
  OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
233 PM MST THU NOV 27 2014


MTZ001>003-043-281200-
/O.NEW.KMSO.WS.A.0011.141129T0000Z-141130T0000Z/
KOOTENAI/CABINET REGION-WEST GLACIER REGION-
FLATHEAD/MISSION VALLEYS-POTOMAC/SEELEY LAKE REGION-
233 PM MST THU NOV 27 2014

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SATURDAY AFTERNOON.


* IMPACTS/TIMING: A MOISTURE PLUME WILL CAUSE WIDESPREAD
  PRECIPITATION STARTING LATE FRIDAY THROUGH SATURDAY. THIS
  MOISTURE WILL INTERACT WITH A STRONG ARCTIC FRONT PUSHING
  SOUTHWARD OUT OF CANADA. THE FRONT WILL CAUSE SNOW LEVELS TO
  DROP DRAMATICALLY. MANY VALLEY LOCATIONS WILL RECEIVE
  RAIN...WHICH WILL THEN CHANGE TO SNOW...FOLLOWED BY VERY COLD
  TEMPERATURES. STRONG EASTERLY WINDS ARE ANTICIPATED WITH THE
  ARCTIC FRONT, WHICH COULD CAUSE AREAS OF BLOWING AND DRIFTING
  SNOW. AREAS EAST OF HIGHWAY 93...FROM EUREKA TO ARLEE...ARE
  ANTICIPATED TO RECEIVE THE BIGGEST IMPACT FROM THIS SYSTEM.

* SNOW ACCUMULATIONS: VALLEYS: 3 TO 6 INCHES POSSIBLE...LOCALLY UP
  TO 9 INCHES IN THE GLACIER PARK AREA. MOUNTAINS: 8 TO 16 INCHES
  POSSIBLE BY SATURDAY AFTERNOON.

* WINDS: EAST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH POSSIBLE NEAR
  THE MOUTH OF FAVORED CANYONS...SUCH AS BADROCK.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 EUREKA TO
  WHITEFISH...BAD ROCK CANYON...ESSEX... HIGHWAY 83 BIGFORK TO
  SWAN LAKE...MARIAS PASS...POLEBRIDGE... FLATHEAD LAKE...FLATHEAD
  VALLEY...MISSION VALLEY...POLSON... HIGHWAY 200 BONNER TO
  GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
156 PM MST THU NOV 27 2014

...MORE SNOW AND WIND EXPECTED THIS WEEKEND...

.PERIODS OF HEAVY SNOW...BLOWING SNOW AND STRONG WINDS ARE
EXPECTED TO COMPLICATE TRAVEL AND OUTDOOR ACTIVITIES THIS
WEEKEND...ESPECIALLY ON EXPOSED TERRAIN AND OVER MOUNTAIN PASSES.

WYZ001-012-013-281000-
/O.NEW.KRIW.WS.A.0013.141129T0700Z-141130T1800Z/
YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS-
JACKSON HOLE-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL...JACKSON
156 PM MST THU NOV 27 2014

...WINTER STORM WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SUNDAY MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SUNDAY MORNING.

* SUMMARY AND TIMING...SOUTHWEST WIND WILL INCREASE THROUGH THE
  DAY ON FRIDAY AND MAY GUST AS HIGH AS 70 MPH ON EXPOSED TERRAIN
  A LITTLE AFTER MIDNIGHT...WHICH IS WHEN THE SNOW WILL BEGIN.
  SNOW WILL SPREAD FROM NORTH TO SOUTH DURING THE NIGHT AND MAY BE
  HEAVY AT TIMES THROUGH SUNDAY MORNING.

* SNOW ACCUMULATIONS...5 TO 10 INCHES IN THE JACKSON
  VALLEY...HIGHEST AMOUNTS NORTH OF MOOSE...WITH 10 TO 18 INCHES
  OVER HIGHER TERRAIN...HIGHER AMOUNTS POSSIBLE ON FAVORED WEST
  FACING SLOPES.

* WIND AND VISIBILITY...SOUTHWEST WINDS MAY GUST TO 70 MPH IN THE
  EXPOSED TERRAIN WITH GUSTS OVER 30 MPH POSSIBLE IN JACKSON
  VALLEY ON SATURDAY. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT
  TIMES IN SNOW AND BLOWING SNOW...ESPECIALLY OVER MOUNTAIN
  PASSES. EXPECT WIND CHILLS TO DROP WELL BELOW ZERO LATE SATURDAY
  NIGHT INTO SUNDAY MORNING.

* IMPACTS...PERIODS OF HEAVY SNOW...BLOWING SNOW AND STRONG WINDS
  ARE EXPECTED TO COMPLICATE TRAVEL AND OUTDOOR ACTIVITIES THIS
  WEEKEND...ESPECIALLY ON EXPOSED TERRAIN AND OVER MOUNTAIN
  PASSES. AVALANCHE DANGER MAY ALSO INCREASE THIS WEEKEND DUE TO
  THE ADDITIONAL SNOW AND STRONG WIND...PLEASE MONITOR
  JHAVALANCHE.ORG IF YOUR WEEKEND PLANS INCLUDE TRAVEL INTO THE
  BACKCOUNTRY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

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NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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