Weather Service Report


535 
WWUS45 KPIH 211141
WSWPIH

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
441 AM MST SAT JAN 21 2017

...MODERATE TO HEAVY MOUNTAIN SNOW WITH BLOWING AND DRIFTING SNOW...

...THE NEXT MOIST SYSTEM MOVES THROUGH THE AREA SUNDAY MORNING
THROUGH MONDAY NIGHT. EXPECT 6 TO 12 INCHES OF SNOW WITH LOCALLY 
HIGHER AMOUNTS PARTICULARLY FOR THE CARIBOU HIGHLANDS AND THE
WASATCH MOUNTAINS. WIND GUSTS WILL BE FROM 25 TO 40 MPH CREATING 
BLOWING AND DRIFTING SNOW.

IDZ018-019-023-025-031-212200-
/O.NEW.KPIH.WS.A.0003.170122T1500Z-170124T1200Z/
SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS-CARIBOU HIGHLANDS-
WASATCH MOUNTAINS/IDAHO PORTION-BIG AND LITTLE WOOD RIVER REGION-
INCLUDING THE CITIES OF STANLEY, CLAYTON, ST. ANTHONY, ASHTON, 
ISLAND PARK, DRIGGS, VICTOR, HENRY, SODA SPRINGS, DOWNEY, 
LAVA HOT SPRINGS, MONTPELIER, HAILEY, KETCHUM, AND BELLEVUE
441 AM MST SAT JAN 21 2017

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

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

* IMPACTS...MODERATE TO HEAVY SNOWFALL WITH BLOWING AND DRIFTING
  SNOW WILL ACCUMULATE ON ROADWAYS AND MAY REDUCE VISIBILITY, 
  MAKING TRAVEL DIFFICULT. MOUNTAIN PASSES MAY BECOME EXTREMELY 
  DIFFICULT TO TRAVEL. 

* TIMING...SUNDAY MORNING THROUGH MONDAY NIGHT.

* SNOW ACCUMULATIONS...6 TO 12 INCHES WITH 16 TO 20 INCHES ABOVE
  7500 FEET FOR MAINLY THE CARIBOU HIGHLANDS AND THE WASATCH
  MOUNTAINS. 

* CONFIDENCE...HIGH CONFIDENCE ON TIMING. HIGH CONFIDENCE FOR SNOW
  AMOUNTS FOR THE UPPER SNAKE HIGHLANDS, CARIBOU HIGHLANDS AND THE
  WASATCH MOUNTAINS. LOW TO MODERATE CONFIDENCE FOR SNOW AMOUNTS
  AND PLACEMENT FOR THE CENTRAL MOUNTAINS DUE TO PLACEMENT OF A
  LOW LEVEL LOW.

* LOCATIONS...STANLEY, GALENA SUMMIT, HAILEY, KETCHUM, BELLEVUE,
  ST. ANTHONY, MONIDA PASS, ASHTON, ASHTON HILL, ISLAND PARK,
  DRIGGS, VICTOR, HENRY, SODA SPRINGS, DOWNEY, LAVA HOT SPRINGS, FISH
  CREEK SUMMIT, GEORGETOWN SUMMIT, MONTPELIER, GENEVA SUMMIT, 
  BORDER SUMMIT AND EMIGRATION PASS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

&&

$$

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Western Regional Climate Center, wrcc@dri.edu