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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
405 AM MST FRI NOV 21 2014

.A MOIST PACIFIC STORM SYSTEM WILL MOVE INTO SOUTHEAST IDAHO WITH
THE POTENTIAL FOR HEAVY MOUNTAIN SNOW BEGINNING FRIDAY NIGHT AND
CONTINUING THROUGH SATURDAY EVENING. A STRONG COLD FRONT WILL
ACCOMPANY THE SYSTEM AND EXPECT STRONG WINDS BOTH AHEAD OF AND
BEHIND THE FRONT ON SATURDAY WHICH WILL LIKELY PRODUCE BLOWING
AND DRIFTING SNOW AS WELL ESPECIALLY OVER MOUNTAIN PASSES. WINDS
WILL SHIFT FROM A SOUTHERLY DIRECTION LATE FRIDAY NIGHT AND
SATURDAY MORNING TO A MORE WESTERLY FLOW SATURDAY AFTERNOON.
SNOW AMOUNTS OF 10 TO 14 INCHES ARE POSSIBLE ABOVE 6000 FEET WITH
THIS STORM WITH LOCALLY HIGHER AMOUNTS FOR THE CENTRAL MOUNTAINS
AND THE EASTERN HIGHLANDS. EXPECT 5 TO 10 INCHES OF SNOW ABOVE
6000 FEET FOR THE LOST RIVER/PAHSIMEROI AND SOUTHERN HIGHLANDS
MOUNTAINS.

IDZ022-032-212200-
/O.UPG.KPIH.WS.A.0008.141122T1200Z-141123T0600Z/
/O.NEW.KPIH.WW.Y.0020.141122T1200Z-141123T0600Z/
SOUTH CENTRAL HIGHLANDS-LOST RIVER/PAHSIMEROI-
INCLUDING THE LOCATIONS OF...CITY OF ROCKS...ARCO...
WILLOW CREEK SUMMIT
405 AM MST FRI NOV 21 2014

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 11 PM MST
SATURDAY ABOVE 6000 FEET...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A WINTER
WEATHER ADVISORY ABOVE 6000 FEET FOR SNOW AND BLOWING SNOW
WHICH IS IN EFFECT FROM 5 AM TO 11 PM MST SATURDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

* TIMING...5 AM SATURDAY TO 11 PM SATURDAY.

* MAIN IMPACT...5 TO 10 INCHES OF SNOW

* LOCATIONS INCLUDE...DRIGGS...DUBOIS...ISLAND PARK...MONIDA
  PASS...ASHTON HILL...TARGHEE PASS...PINE CREEK PASS...
  OAKLEY... CONNOR SUMMIT...SWEETZER SUMMIT...MALAD SUMMIT...
  SODA SPRINGS... FISH CREEK SUMMIT...SWAN VALLEY...
  GEORGETOWN... GEORGETOWN SUMMIT...MACKAY...WILLOW CREEK
  SUMMIT.

* OTHER IMPACTS...WIND GUSTS OF 25 TO 40 MPH COULD CAUSE
  BLOWING AND DRIFTING SNOW ON ROADWAYS AND REDUCED
  VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING
SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

HTTP://WEATHER.GOV/POCATELLO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
358 AM MST FRI NOV 21 2014

...NORTH PACIFIC STORM TONIGHT AND SATURDAY...

.A RELATIVELY STRONG NORTH PACIFIC STORM WILL BRING SNOW TO
IDAHO MOUNTAIN AREAS AND FREEZING RAIN TO THE COLDER LOWER
VALLEYS TONIGHT AND SATURDAY. WINDS SATURDAY WILL BE STRONG
ENOUGH TO SCOUR THE INVERSION FROM THE VALLEYS AND THE
VALLEYS WILL BECOME WARM ENOUGH TO MELT SOME OF THE SNOW
FROM LAST WEEK/S STORM.

IDZ011>013-028-029-033-ORZ064-212200-
/O.NEW.KBOI.WW.Y.0012.141122T0300Z-141122T1800Z/
WEST CENTRAL MOUNTAINS-LOWER TREASURE VALLEY ID-BOISE MOUNTAINS-
CAMAS PRAIRIE-OWYHEE MOUNTAINS-UPPER WEISER RIVER-
LOWER TREASURE VALLEY OR-
358 AM MST FRI NOV 21 2014

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO
11 AM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A WINTER WEATHER
ADVISORY FOR SNOW AND/OR FREEZING RAIN IN THE WEST CENTRAL IDAHO
MOUNTAINS...BOISE MOUNTAINS...CAMAS PRAIRIE...UPPER WEISER RIVER
AREA...OWYHEE MOUNTAINS...AND THE LOWER TREASURE VALLEY IN OREGON
AND IDAHO...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 11 AM
MST SATURDAY.

* SNOW AMOUNTS...4 TO 8 INCHES IN THE MOUNTAINS. AROUND TWO INCHES
  IN THE LOWER TREASURE VALLEY. FREEZING RAIN IN THE LOWER
  TREASURE VALLEY MAY ADD A THIN GLAZE.

* SNOW LEVELS...VALLEY FLOORS AT FIRST RISING TO 4500 FEET MSL IN
  THE WEST CENTRAL IDAHO MOUNTAINS TO 6000 FEET IN THE OWYHEE
  MOUNTAINS.

* WINDS...LIGHT WINDS THIS EVENING BECOMING SOUTHEAST 10 TO 15 MPH
  SATURDAY...EXCEPT REMAINING LIGHT AND VARIABLE IN THE LOWER
  TREASURE VALLEY.

* TIMING...TONIGHT AND SATURDAY MORNING.

* IMPACTS...SNOW-COVERED ROADS IN THE MOUNTAINS AND SNOW AND ICE-
  COVERED ROADS IN THE TREASURE VALLEY WILL CREATE ADDITIONAL
  TRAVEL PROBLEMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
358 AM MST FRI NOV 21 2014

...NORTH PACIFIC STORM TONIGHT AND SATURDAY...

.A RELATIVELY STRONG NORTH PACIFIC STORM WILL BRING SNOW TO
IDAHO MOUNTAIN AREAS AND FREEZING RAIN TO THE COLDER LOWER
VALLEYS TONIGHT AND SATURDAY. WINDS SATURDAY WILL BE STRONG
ENOUGH TO SCOUR THE INVERSION FROM THE VALLEYS AND THE
VALLEYS WILL BECOME WARM ENOUGH TO MELT SOME OF THE SNOW
FROM LAST WEEK/S STORM.

ORZ062-063-212200-
/O.NEW.KBOI.WW.Y.0012.141122T0000Z-141122T1500Z/
BAKER COUNTY-MALHEUR COUNTY-
358 AM MST FRI NOV 21 2014

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM MST /4 PM PST/
THIS AFTERNOON TO 8 AM MST /7 AM PST/ SATURDAY...

THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A WINTER WEATHER
ADVISORY FOR SNOW AND FREEZING RAIN IN BAKER COUNTY AND THE
NORTHERN HALF OF MALHEUR COUNTY...WHICH IS IN EFFECT FROM 5 PM
MST /4 PM PST/ THIS AFTERNOON TO 8 AM MST /7 AM PST/ SATURDAY.

* SNOW AMOUNTS...2 TO 4 INCHES. FREEZING RAIN MAY ADD A THIN GLAZE.

* SNOW LEVELS...VALLEY FLOORS AT FIRST THEN RISING TO 4500 FEET
  MSL.

* TIMING...THIS EVENING THROUGH SUNRISE SATURDAY.

* IMPACTS...SNOW AND ICE WILL COVER ROADS CAUSING TRAVEL PROBLEMS.
  SOME IMPROVEMENT IS LIKELY DUE TO MELTING SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
351 AM MST FRI NOV 21 2014

MTZ001-003-220030-
/O.CON.KMSO.WW.Y.0062.000000T0000Z-141123T0000Z/
KOOTENAI/CABINET REGION-FLATHEAD/MISSION VALLEYS-
351 AM MST FRI NOV 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY.

* IMPACTS/TIMING: SLICK DRIVING CONDITIONS AT TIMES FROM FREEZING
  DRIZZLE OR LIGHT SNOW ACCUMULATIONS...ESPECIALLY IN THE EVENING
  THROUGH EARLY MORNING HOURS.

* SNOW ACCUMULATIONS: UP TO 1 INCH.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY...
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH...FLATHEAD LAKE...FLATHEAD
  VALLEY... MISSION VALLEY...POLSON

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
351 AM MST FRI NOV 21 2014

MTZ002-220030-
/O.CON.KMSO.WW.Y.0062.000000T0000Z-141123T0000Z/
WEST GLACIER REGION-
351 AM MST FRI NOV 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY.

* IMPACTS/TIMING: DIFFICULT DRIVING CONDITIONS OVER MARIAS PASS
  FRIDAY EVENING THROUGH SATURDAY DUE TO MODERATE TO HEAVY SNOW
  WITH BLOWING SNOW AT TIMES. SLICK DRIVING CONDITIONS IN THE
  VALLEYS AT TIMES FROM FREEZING DRIZZLE OR LIGHT SNOW
  ACCUMULATIONS...ESPECIALLY IN THE EVENING THROUGH EARLY MORNING
  HOURS.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES OVER MARIAS PASS FRIDAY NIGHT
  THROUGH SATURDAY. UP TO 1 INCH IN THE VALLEYS.

* WIND: WINDS 25 TO 30 MPH GUSTING TO 40 MPH WILL CAUSE BLOWING
  AND DRIFTING SNOW AND LOW VISIBILITY.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
351 AM MST FRI NOV 21 2014

IDZ006-MTZ006-220030-
/O.CON.KMSO.WW.Y.0063.141122T0300Z-141123T0000Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
351 AM MST FRI NOV 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM MST /7 PM
PST/ THIS EVENING TO 5 PM MST /4 PM PST/ SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM MST /7 PM
PST/ THIS EVENING TO 5 PM MST /4 PM PST/ SATURDAY.

* IMPACTS/TIMING: DIFFICULT DRIVING CONDITIONS FROM MODERATE TO
  HEAVY SNOW ACCUMULATIONS AT TIMES FRIDAY NIGHT THROUGH
  SATURDAY.

* SNOW ACCUMULATIONS: 6 TO 10 INCHES.

* WIND: WINDS 20 TO 25 MPH GUSTING TO 35 MPH WILL CAUSE BLOWING
  AND DRIFTING SNOW AND LOW VISIBILITY.

* LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY...HIGHWAY 12
  LOWELL TO LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND WIND MEANS THAT PERIODS OF
SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR
SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION
WHILE DRIVING.

&&

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
351 AM MST FRI NOV 21 2014

MTZ004-220030-
/O.CON.KMSO.WW.Y.0062.000000T0000Z-141123T0000Z/
LOWER CLARK FORK REGION-
351 AM MST FRI NOV 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY.

* IMPACTS/TIMING: DIFFICULT DRIVING CONDITIONS OVER LOOKOUT PASS
  FRIDAY EVENING THROUGH SATURDAY DUE TO MODERATE TO HEAVY SNOW AT
  TIMES. SLICK DRIVING CONDITIONS IN THE VALLEYS AT TIMES FROM
  FREEZING DRIZZLE OR LIGHT SNOW ACCUMULATIONS...ESPECIALLY FRIDAY
  MORNING.

* SNOW ACCUMULATIONS: 6 TO 10 INCHES OVER LOOKOUT PASS LATE FRIDAY
  THROUGH SATURDAY MORNING. UP TO 1 INCH IN THE VALLEYS.

* WIND: WINDS 20 TO 25 MPH GUSTING TO 35 MPH WILL CAUSE BLOWING
  AND DRIFTING SNOW AND LOW VISIBILITY.

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90
  LOOKOUT PASS TO HAUGAN

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
340 AM MST FRI NOV 21 2014

MTZ008-009-014-015-048-055-212300-
/O.CON.KTFX.WW.Y.0047.141122T0700Z-141123T1200Z/
BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-
CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-
SOUTHERN ROCKY MOUNTAIN FRONT-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS...
CHIEF JOSEPH PASS...MONIDA PASS...BROWNING...MARIAS PASS...
LINCOLN...RAYNOLDS PASS...TARGHEE PASS...WEST YELLOWSTONE
340 AM MST FRI NOV 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 5 AM MST SUNDAY...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW REMAINS IN
EFFECT FROM MIDNIGHT TONIGHT TO 5 AM MST SUNDAY.

* TIMING AND MAIN IMPACT: SNOW AND BLOWING SNOW WILL DEVELOP
  FRIDAY EVENING ALONG THE ROCKY MOUNTAIN FRONT AND LATE FRIDAY
  NIGHT ACROSS SOUTHWEST MONTANA. SNOW WILL CONTINUE THROUGH
  SUNDAY MORNING. TRAVEL MAY BECOME DIFFICULT... ESPECIALLY OVER
  MOUNTAIN PASSES.

* SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES
  ARE EXPECTED WITH LOCALLY HIGHER AMOUNTS IN THE MOUNTAINS
  ABOVE PASS LEVEL.

* WINDS AND VISIBILITY: THE COMBINATION OF FALLING SNOW AND GUSTY
  WINDS WILL CREATE WIDESPREAD BLOWING SNOW WITH VISIBILITY LESS
  THAN ONE-HALF MILE AT TIMES.

* LOCATIONS AFFECTED INCLUDE: TARGHEE PASS...WEST YELLOWSTONE...
  BROWNING...MARIAS PASS...BIG HOLE PASS...CHIEF JOSEPH PASS...
  MONIDA PASS...LINCOLN...RAYNOLDS PASS.

* 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 WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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