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202
WWUS45 KMSO 210356
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
956 PM MDT MON OCT 20 2014

...VERY WET AND COLD SYSTEM TO IMPACT WESTERN MONTANA TUESDAY...

.A WET COLD FRONT WILL IMPACT THE MOUNTAINS OF CENTRAL IDAHO AND
WESTERN MONTANA TUESDAY AND TUESDAY EVENING. RECENTLY MODELS HAVE
TRENDED MUCH COOLER AND WETTER WITH THIS SYSTEM.

IDZ006-MTZ006-211200-
/O.CON.KMSO.WW.Y.0056.141021T1200Z-141022T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
956 PM MDT MON OCT 20 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM MDT /5 AM
PDT/ TUESDAY TO 6 AM MDT /5 AM PDT/ WEDNESDAY ABOVE 5000 FEET...

A WINTER WEATHER ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT FROM
6 AM MDT /5 AM PDT/ TUESDAY TO 6 AM MDT /5 AM PDT/ WEDNESDAY.

* IMPACTS/TIMING: RAIN IN THE BITTERROOT MOUNTAINS WILL START
  FALLING IN THE MORNING AND TRANSITION TO SNOW IN THE
  AFTERNOON. EXPECT DENSE WET SNOW CAUSING SLUSHY CONDITIONS AND
  POOR VISIBILITY AT TIMES. ACCUMULATION ON PASSES IS LIKELY
  DURING THE HEAVIEST SNOWFALL IN THE AFTERNOON. THREE INCHES OR
  MORE OF SNOW IS POSSIBLE OVER SKALKAHO PASS.

* SNOW ACCUMULATIONS: AROUND AN INCH OF SLUSHY WET SNOW ON PAVED
  ROADS WITH 2 INCHES OR MORE ON BACK ROADS ABOVE 6000 FEET.

* LOCATIONS IMPACTED INCLUDE...DIXIE...HIGHWAY 93 SULA TO LOST
  TRAIL PASS...LOLO PASS

$$

MTZ007-211200-
/O.CON.KMSO.WW.Y.0056.141021T1800Z-141022T1200Z/
BUTTE/BLACKFOOT REGION-
956 PM MDT MON OCT 20 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TUESDAY TO
6 AM MDT WEDNESDAY ABOVE 6000 FEET...

A WINTER WEATHER ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT FROM
NOON TUESDAY TO 6 AM MDT WEDNESDAY.

* IMPACTS/TIMING: SNOW ACCUMULATIONS ON ROADS ABOVE 6000 FEET
  WILL CAUSE SLICK DRIVING CONDITIONS. EXPECT DENSE SLUSHY SNOW...
  MAINLY AFFECTING BACKCOUNTRY ROADS. MODERATE SNOW IN THE
  AFTERNOON AND EVENING WILL CAUSE REDUCED VISIBILITY OVER
  HOMESTAKE AND MACDONALD PASSES IN THE LATE AFTERNOON AND
  EVENING.

* SNOW ACCUMULATIONS: AROUND AN INCH OF DENSE... SLUSHY SNOW.

* LOCATIONS IMPACTED INCLUDE...GEORGETOWN LAKE...MACDONALD PASS

$$

IDZ010-211200-
/O.CON.KMSO.WW.Y.0056.141021T1200Z-141022T1200Z/
EASTERN LEMHI COUNTY-
956 PM MDT MON OCT 20 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO
6 AM MDT WEDNESDAY FOR LOLO PASS AND LOST TRAIL PASS...

A WINTER WEATHER ADVISORY FOR LOLO PASS AND LOST TRAIL PASS
REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM MDT WEDNESDAY.

* IMPACTS/TIMING: RAIN IN THE BITTERROOT MOUNTAINS WILL START
  FALLING IN THE MORNING AND TRANSITION TO SNOW IN THE
  AFTERNOON. EXPECT DENSE WET SNOW CAUSING SLUSHY CONDITIONS AND
  POOR VISIBILITY AT TIMES. ACCUMULATION ON PASSES IS LIKELY
  DURING THE HEAVIEST SNOWFALL IN THE AFTERNOON. AN INCH OR MORE
  OF DENSE SNOW IS POSSIBLE OVER LOST TRAIL PASS.

* SNOW ACCUMULATIONS: AROUND AN INCH OF SLUSHY... WET SNOW ON
  PAVED ROADS WITH 2 INCHES OR MORE ON BACK ROADS ABOVE 6000
  FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$



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