FROM: SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SEATTLE WA
929 AM PST FRI DEC 14 2012
WAZ001-503>519-150600-
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
EAST PUGET SOUND LOWLANDS-WESTERN SKAGIT COUNTY-
EVERETT AND VICINITY-SEATTLE/BREMERTON AREA-TACOMA AREA-
ADMIRALTY INLET AREA-HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA-
OLYMPICS-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-NORTH COAST-CENTRAL COAST-
WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
929 AM PST FRI DEC 14 2012
…A STRONG PACIFIC LOW PRESSURE SYSTEM MAY BRING A VARIETY OF
WEATHER HAZARDS TO WESTERN WASHINGTON SUNDAY NIGHT AND MONDAY…
A RELATIVE PERIOD OF QUIET WEATHER IS EXPECTED THIS AFTERNOON
THROUGH MUCH OF TONIGHT. ON SATURDAY…A SOMEWHAT STRONGER SYSTEM
WILL SPREAD RAIN AND MOUNTAIN SNOW INTO THE AREA. THE MOUNTAINS
COULD GET ADVISORY SNOW AMOUNTS IN THE 4 TO 8 INCH RANGE…LOCALLY
HIGHER. THERE WILL BE LITTLE BREAK BETWEEN THIS SYSTEM AND THE
NEXT MUCH STRONGER STORM EXPECTED TO AFFECT THE AREA SUNDAY NIGHT
AND MONDAY.
THE LATEST COMPUTER MODELS SUGGEST A STRONG LOW PRESSURE SYSTEM
MAY DEVELOP OFF THE PACIFIC NORTHWEST COAST SUNDAY AS IT BARRELS
TOWARD WESTERN WASHINGTON. IF THIS SYSTEM DOES INDEED TRACK TOWARD
WESTERN WASHINGTON…IT WILL PRODUCE A VARIETY OF WEATHER AND
MARINE RELATED IMPACTS TO WESTERN WASHINGTON LATE SUNDAY AND
MONDAY. STRONG WINDS WILL BE POSSIBLE ACROSS THE ENTIRE
AREA…ALONG WITH HEAVY MOUNTAIN SNOW…AND RAIN IN THE LOWLANDS.
TIDES WILL ALSO RUN HIGH DURING THIS PERIOD AND LARGE COASTAL
SWELL ABOVE 20 FEET IS ALSO EXPECTED. IT IS IMPORTANT TO NOTE
THAT THERE IS STILL SOME UNCERTAINTY ON THE TRACK OF THIS SYSTEM.
IF THE SURFACE LOW PRESSURE MOVES FURTHER SOUTH INTO OREGON…THE
WIND AND HEAVY MOUNTAIN SNOW THREAT WILL BE MITIGATED.
CONTINUE TO MONITOR THE LATEST STATEMENTS AND FORECAST FROM THE
NATIONAL WEATHER SERVICE REGARDING THE LATE WEEKEND STORM SYSTEM.
WEATHER SERVICE STORM SPOTTERS SHOULD ALSO REMAIN ALERT OF
UPCOMING CHANGES TO THE WEATHER. YOU CAN FOLLOW THE WEATHER
SERVICE ON FACEBOOK OR TWITTER ACCESSIBLE AT OUR WEB SITE AT