HAZARDOUS WEATHER OUTLOOK
Issue Date: 556 AM MST MON DEC 21 2009
Expiration: 600 AM MST TUE DEC 22 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN IDAHO.
.DAY ONE...TODAY AND TONIGHT
TONIGHT SNOW WILL BECOME WIDESPREAD OVER THE CENTRAL MOUNTAINS AS
TROUGHING OUT AHEAD OF A MOIST PACIFIC STORM SYSTEM MOVES INTO THE
AREA. OVER 10 INCHES OF SNOW WILL BE POSSIBLE IN HIGHER ELEVATIONS
TONIGHT INTO TUESDAY ACROSS THE CENTRAL MOUNTAINS.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
TUESDAY EXPECT COLD FRONTAL PASSAGE OF A PACIFIC STORM THROUGHOUT
SE IDAHO. WIDESPREAD SNOW WILL CONTINUE IN THE CENTRAL MOUNTAINS
AND SPREAD THROUGHOUT THE ENTIRE AREA. TOTAL STORM ACCUMULATIONS
OF GREATER THAN 10 INCHES OF SNOW ARE POSSIBLE IN HIGHER ELEVATIONS
IN THE CENTRAL MOUNTAINS. SNOW AMOUNTS OF 4 TO 8 INCHES ARE POSSIBLE
IN THE UPPER SNAKE HIGHLANDS...SOUTHERN HIGHLANDS...CARIBOU
HIGHLANDS AND THE WASATCH MOUNTAINS THROUGH TUESDAY. THE SNAKE
RIVER PLAIN AND VALLEYS CAN EXPECT SNOW OF 2 TO 5 INCHES THROUGH
TUESDAY. TUESDAY AFTERNOON INTO EARLY EVENING HIGHER WINDS OF 15
TO 20 MPH SUSTAINED WITH GUST OF 25 TO 30 MPH WILL BE LIKELY.
THURSDAY THROUGH SUNDAY EXPECT MUCH COOLER THAN NORMAL
TEMPERATURES WITH COLD...DRY NORTHWEST FLOW. DAYTIME HIGH
TEMPERATURES ON CHRISTMAS DAY WILL RANGE IN THE MID TEENS
THROUGHOUT THE AREA AND EVEN LOWER IN HIGHER ELEVATIONS.
.SPOTTER INFORMATION STATEMENT...
WE ASK TRAINED SPOTTERS AND CITIZENS TO REPORT SIGNIFICANT
WEATHER CONDITIONS WHEN IT IS SAFE TO DO SO. THESE CONDITIONS MAY
INCLUDE HAIL...TORNADOES...STRONG WIND...DUST STORMS...SNOWFALL...
EXTREME COLD TEMPERATURES...FREEZING RAIN OR HEAVY RAIN...DENSE
FOG...AND FLOODING OR ICE JAMS. INFORMATION ABOUT THESE HAZARDOUS
CONDITIONS SHOULD BE CALLED INTO YOUR NATIONAL WEATHER SERVICE
OFFICE IN POCATELLO USING THE 1-800 SEVERE WEATHER HOTLINE...OR
208-233-0834.
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