Colder weather on the way...

posted Feb 3, 2014, 10:48 AM by smike@guemesfire.org
554 AM PST MON FEB 3 2014

..MUCH COLDER WEATHER EXPECTED THROUGH THE WEEK...

A MARKED COOLING TREND IS EXPECTED BEGINNING TUESDAY AND CONTINUING THROUGH AT LEAST FRIDAY THIS WEEK AS AN AIR MASS WITH ORIGINS IN THE YUKON SPREADS INTO WESTERN WASHINGTON. THE COLDEST WEATHER IS EXPECTED WEDNESDAY AND THURSDAY. HIGH TEMPERATURES WILL GET AS COLD AS 20 DEGREES BELOW NORMAL. NORMAL HIGHS THIS TIME OF YEAR ARE AROUND 50 DEGREES. ON THURSDAY THERE IS A GOOD CHANCE SOME LOCATIONS WILL NOT GET ABOVE FREEZING FOR A HIGH TEMPERATURE.

THERE IS THE POTENTIAL TO BREAK NUMEROUS LOW MAXIMUM TEMPERATURE RECORDS DURING THIS PERIOD. THE FOLLOWING IS A TABLE WITH LOW MAXIMUM RECORDS FROM SELECTED LOCATIONS AROUND THE AREA.

              SEATTLE    OLYMPIA    BELLINGHAM   HOQUIAM

FEBRUARY 4    31 (1989)  29 (1989)  29 (1989)    32 (1989)
FEBRUARY 5    34 (1989)  35 (1985)  33 (1957)    39 (1989)
FEBRUARY 6    37 (1949)  36 (1949)  36 (1973)    41 (1990)
FEBRUARY 7    38 (1994)  36 (1997)  32 (1994)    41 (1985)

ALL DATES ARE LAST YEAR OF OCCURRENCE.

THERE IS ALSO A POSSIBILITY OF RECORD LOW TEMPERATURES LATER IN THE WEEK. PREVIOUS COLD SPELLS EARLY IN FEBRUARY HAVE MOST RECORD LOW TEMPERATURES IN THE SINGLE DIGITS THROUGH TOMORROW MAKING RECORD LOW TEMPERATURES UNLIKELY INITIALLY WITH THIS COLD SPELL. THE FOLLOWING IS A TABLE OF RECORD LOWS FOR THURSDAY AND FRIDAY.

              SEATTLE    OLYMPIA    BELLINGHAM   HOQUIAM

FEBRUARY 6    18 (1989)   5 (1989)  20 (1989)    20 (1989)
FEBRUARY 7    20 (1989)   7 (1989)  20 (1989)    22 (1989)


IN ADDITION TO THE COOL TEMPERATURES...WINDY FRASER OUTFLOW CONDITIONS WILL DEVELOP LATER TODAY AND CONTINUE FOR THE NEXT FEW DAYS. THIS PATTERN RESULTS IN BRISK NORTHEAST WINDS FROM SUMAS AND BELLINGHAM OUT PAST THE SAN JUAN ISLANDS...WITH WIND GUSTS IN EXCESS OF 40 MPH. WIND AND COLD TEMPERATURES COULD RESULT IN WIND CHILL VALUES IN THE NEGATIVE SINGLE DIGITS. ANOTHER WINDY LOCATION WOULD BE FROM STEVENS AND SNOQUALMIE PASSES WEST INTO THE CASCADE FOOTHILLS...WHERE GUSTY EAST WINDS COULD OCCUR AT TIMES BEGINNING TUESDAY.
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