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PNSSEW

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SEATTLE WA
500 AM PST WED DEC 17 2014

...WHITE CHRISTMAS HISTORY IN SEATTLE...

SNOW IS AN INFREQUENT OCCURRENCE IN THE LOWLANDS OF WESTERN
WASHINGTON. SO TO HAVE SNOW ON AN EXACT DAY LIKE CHRISTMAS MAKES IT
EVEN TOUGHER. WHAT ARE THE CHANCES OF A WHITE CHRISTMAS IN SEATTLE?

SEATTLE WEATHER RECORDS BEGAN DOWNTOWN IN 1891 AND CONTINUED THROUGH
1944. SEATTLE WEATHER RECORDS THEN MOVED TO SEATAC AIRPORT IN 1945
AND CONTINUE TO PRESENT. THESE STATISTICS WERE COMPILED BY NWS
SEATTLE STAFF MEMBER DANA FELTON.

SNOW HAS FALLEN ON CHRISTMAS DAY ONLY A LIMITED NUMBER OF TIMES OVER
THE LAST 122 YEARS. THEY INCLUDE:

1) 1909 1.8 INCHES
2) 1915 0.4 INCHES
3) 1944 0.2 INCHES
4) 1965 1.0 INCHES
5) 1990 0.8 INCHES
6) 2007 0.9 INCHES
7) 2008 0.4 INCHES

THERE HAS BEEN SNOWFALL ON ONLY ABOUT 6% OF CHRISTMAS DAYS OVER THE
122 YEAR RECORD. 2008 WAS THE MOST RECENT SNOWFALL ON CHRISTMAS DAY
AND IT WAS EMBEDDED IN AN EXTENDED COLD AND SNOWY WEATHER PERIOD
THAT BEGAN ON DECEMBER 13TH AND RAN THROUGH THE END OF THE YEAR.
SOME PLACES IN WESTERN WASHINGTON HAD BETWEEN ONE AND TWO FEET OF
SNOW ON THE GROUND CHRISTMAS DAY.

WILL IT SNOW ON CHRISTMAS DAY THIS YEAR? THE OUTLOOK RIGHT NOW IS
FOR A COOLING TREND WITH HIGHS LIKELY IN THE LOWER 40S AND LITTLE IF
ANY PRECIPITATION. SO IT AGAIN DOES NOT LOOK GOOD FOR SNOW THIS YEAR
ON CHRISTMAS DAY. HAVE A GREAT HOLIDAY SEASON!

$$

BUEHNER/FELTON








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