WINTER STORM WATCH
Warning Issue Date: 935 PM MST FRI DEC 11 2009
...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING...
A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING.
* TIMING...AN ARCTIC COLD FRONT WILL MOVE SOUTHWARD THROUGH NORTH
CENTRAL MONTANA DURING THE DAY ON SATURDAY. EXPECT SNOW TO
DEVELOP EARLY SATURDAY MORNING NEAR THE CANADIAN BORDER...AND BY
LATE MORNING OVER CENTRAL MONTANA. ADDITIONALLY...EXPECT
TEMPERATURES TO FALL TO BELOW ZERO BY EARLY SATURDAY EVENING.
* SNOWFALL...TOTAL SNOW ACCUMULATIONS BY SUNDAY EVENING OF A 4 TO
7 INCHES ARE EXPECTED OVER THE PLAINS...AND 8 TO 12 INCHES IN
THE MOUNTAINS BETWEEN GREAT FALLS AND LEWISTOWN. SNOWFALL SHOULD
BE HEAVIER OVER THE ROCKY MOUNTAIN FRONT...WHERE 10 TO 20 INCHES
OF SNOWFALL IS POSSIBLE.
* WINDS...GUSTY NORTH WINDS WILL CAUSE AREAS OF BLOWING SNOW...AND
REDUCED VISIBILITIES BELOW ONE MILE AT TIMES SATURDAY AFTERNOON
THROUGH SATURDAY NIGHT.
* WIND CHILLS WILL DROP BELOW 20 BELOW ZERO BY LATE SATURDAY
AFTERNOON OVER MOST OF NORTH CENTRAL MONTANA. FROST BITE CAN
OCCUR IN LESS THAN 30 MINUTES AT THESE VALUES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE
LATEST FORECASTS.
$$
|
|
|
