Winter weather update - cold, strong north winds, possible snow late in the week...

posted Dec 2, 2013, 8:42 AM by smike@guemesfire.org
416 AM PST MON DEC 2 2013

..A CHANGE TO MUCH COLDER WEATHER IS EXPECTED LATER TODAY THROUGH THE END OF THE WEEK...

A STRONG LOW PRESSURE SYSTEM WILL MOVE SOUTHWARD ACROSS WESTERN WASHINGTON TODAY. SNOW LEVELS WILL FALL TO 500 FEET THIS MORNING IN THE INTERIOR FROM SEATTLE NORTHWARD...AND FALL BELOW 500 FEET THROUGHOUT THE INTERIOR BY THIS EVENING...

ANY SNOW SHOWERS TODAY WILL BE CONFINED TO HILLTOPS ABOVE ABOUT 500 FEET INLAND FROM THE WATER NORTH OF SEATTLE. THE SNOW SHOWERS WILL BE ACCOMPANIED BY TEMPERATURES ABOVE FREEZING INITIALLY...SO BRIEF AND SPOTTY ACCUMULATIONS OF LESS THAN 1 INCH WILL BE CONFINED TO MAINLY GRASSY AREAS. AS COLDER AIR FILTERS FURTHER SOUTH...FLURRIES ARE POSSIBLE THIS EVENING IN THE SEATTLE TO TACOMA METRO AREAS. THE AIR MASS WILL BE DRYING AS TEMPERATURES FALL BELOW FREEZING EARLY TUESDAY MORNING...

VERY WINDY CONDITIONS ARE EXPECTED IN THE FRASER RIVER OUTFLOW AREA FROM SUMAS AND LYNDEN SOUTHWESTWARD THROUGH BELLINGHAM AND INTO THE SAN JUANS. NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO 55 MPH ARE LIKELY ACROSS PORTIONS OF THIS AREA THIS AFTERNOON THROUGH TUESDAY. THE WINDY CONDITIONS WILL BE ACCOMPANIED BY TEMPERATURES AROUND 20 DEGREES GIVING WIND CHILL VALUES NEAR ZERO.

IT APPEARS THAT IT WILL REMAIN QUITE COLD THROUGH THE UPCOMING WEEKEND. LOW TEMPERATURES WILL AVERAGE 15 TO 25 WITH HIGHS STRUGGLING TO GET ABOVE FREEZING. THERE IS A CHANCE OF A LITTLE SNOW THURSDAY OR FRIDAY AS A WEAK SYSTEM MOVES BY TO THE WEST.
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