Unsettled weather with wind, rain and — in higher elevations — snow continue today. Here are the latest advisories from the National Weather Service:
URGENT – WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
350 AM PST TUE DEC 4 2012
WAZ001-503-506-510-516-517-041800-
/O.EXT.KSEW.WI.Y.0035.000000T0000Z-121204T1800Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST-
350 AM PST TUE DEC 4 2012
…WIND ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS MORNING…
* SOME AFFECTED LOCATIONS…WESTPORT…HOQUIAM…PORT TOWNSEND…
OAK HARBOR…FRIDAY HARBOR…AND BELLINGHAM.
* TIMING…THE STRONGEST WINDS ON THE COAST WILL BE THROUGH 8 AM
THEN EASE. FOR THE NORTH INTERIOR…THE STRONGEST WINDS WILL BE
FROM ABOUT 5 AM TO 8 AM BEFORE EASING LATER THIS MORNING.
* WIND…SOUTH 20 TO 35 MPH WITH GUSTS TO 50 MPH.
* IMPACTS…WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES…
TOPPLE SMALL OR SHALLOW ROOTED TREES…AND PRODUCE LOCAL POWER
OUTAGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
MOTORISTS…ESPECIALLY THOSE WITH HIGH PROFILE VEHICLES…SHOULD
BE ALERT FOR SUDDEN…STRONG CROSS WINDS ON EAST/WEST ROADWAYS AND
BRIDGES.
A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.
————
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SEATTLE WA
425 AM PST TUE DEC 4 2012
WAZ504-505-507>509-511-512-514>517-050030-
SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
LOWER CHEHALIS VALLEY AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-NORTH COAST-CENTRAL COAST-
425 AM PST TUE DEC 4 2012
…HEAVY RAINFALL OVER THE PAST WEEK AND ABOVE NORMAL RAINFALL
OVER THE LAST THREE WEEKS HAS LED TO AN INCREASED RISK OF
LANDSLIDES…
RAINFALL OF 2 TO 5 INCHES IN THE LOWLANDS OVER THE PAST WEEK HAS
INCREASED SOIL MOISTURE TO HIGH LEVELS ACROSS WESTERN WASHINGTON.
RAINFALL OF A HALF INCH TO MORE THAN TWO INCHES LAST NIGHT WILL
CONTRIBUTE TO ADDITIONAL PRESSURE ON SOIL INSTABILITY…LEADING
TO AN ENHANCED RISK OF LANDSLIDES.
CUMULATIVE RAINFALL OVER THE LAST WEEK HAS SOAKED SOILS TO THE
POINT WHERE THE WASHINGTON LANDSLIDE RISK LEVEL IS MODERATE. THE
HIGHER THE RISK LEVEL…THE MORE NUMEROUS THE LANDSLIDES ARE
LIKELY TO BE. ISOLATED LANDSLIDES CAN BE EXPECTED TODAY AND
PERHAPS THE REST OF THIS WEEK.
WITH AN ELEVATED LANDSLIDE RISK…RAINFALL INDUCED LANDSLIDES ARE
POSSIBLE DURING BURSTS OF INTENSE RAINFALL OR WHEN THERE IS HEAVY
RAINFALL OVER A PERIOD OF A DAY OR TWO AS NOTED IN THE FORECAST
ELEVATED RISK LEVEL. A GRADUALLY DIMINISHING RISK OF LANDSLIDES
WILL CONTINUE FOR SEVERAL DAYS AFTER THE RAIN ENDS. AREAS MOST
SUSCEPTIBLE TO LANDSLIDES UNDER THESE CONDITIONS ARE STEEP COASTAL
BLUFFS AND OTHER STEEP HILLSIDES.
FOR MORE INFORMATION ABOUT CURRENT CONDITIONS…VISIT
WWW.WEATHER.GOV/SEATTLE…SELECT HYDROLOGY…AND THEN SCROLL DOWN
FOR THE LINKS TO THE LANDSLIDE INFORMATION PAGES.
TO REPORT LANDSLIDES TO THE STATE FOR TABULATION…GO TO THE
WASHINGTON STATE LANDSLIDE RISK WEB PAGE AND THE LINK FOR
REPORTING.
——————–
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
234 AM PST TUE DEC 4 2012
…MINOR TIDAL OVERFLOW IS POSSIBLE THIS MORNING FOR PUGET SOUND.
.HIGH ASTRONOMICAL TIDES AND LOW PRESSURES FROM A FRONT MOVING
ONSHORE WILL PRODUCE MINOR TIDAL OVERFLOW FOR PARTS OF PUGET
SOUND AND THE NORTH INTERIOR THIS MORNING.
WAZ507-510-042000-
/O.NEW.KSEW.CF.Y.0007.121204T1200Z-121204T2000Z/
EVERETT AND VICINITY-ADMIRALTY INLET AREA–
234 AM PST TUE DEC 4 2012
…COASTAL FLOOD ADVISORY IN EFFECT FROM 4 AM EARLY THIS MORNING
TO NOON PST TODAY…
THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A COASTAL
FLOOD ADVISORY…WHICH IS IN EFFECT FROM 4 AM EARLY THIS MORNING
TO NOON PST TODAY.
* HAZARD…MINOR TIDAL OVERFLOW NEAR THE BEACHES.
* IMPACTS…MINOR FLOODING IS POSSIBLE NEAR THE WATER AROUND THE
TIME OF HIGH TIDE.
* TIME OF HIGH TIDE…848 AM AT PORT TOWNSEND.
* PREDICTED TIDE…9.07 FEET AT PORT TOWNSEND.
* EXPECTED TIDAL ANOMALY…1 TO 1.5 FEET.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.
———–
URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
340 AM PST TUE DEC 4 2012
WAZ513-041945-
/O.UPG.KSEW.WS.A.0017.121204T1800Z-121205T1200Z/
/O.NEW.KSEW.WS.W.0021.121204T1800Z-121205T1200Z/
OLYMPICS–
340 AM PST TUE DEC 4 2012
…WINTER STORM WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 AM
PST WEDNESDAY…
THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR SNOW AND WINDY CONDITIONS…WHICH IS IN EFFECT FROM 10
AM THIS MORNING TO 4 AM PST WEDNESDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.
* SOME AFFECTED LOCATIONS…HURRICANE RIDGE.
* TIMING…HEAVY SNOW AT TIMES IS EXPECTED TO BEGIN THIS MORNING
AND CONTINUE THROUGH AT LEAST LATE TONIGHT.
* SNOW ACCUMULATIONS…10 TO 18 INCHES OF NEW SNOW IS POSSIBLE.
* SNOW LEVEL…NEAR 6000 FEET FALLING TO 4000 FEET BY LATE THIS
AFTERNOON AND 2000 FEET WEDNESDAY.
* MAIN IMPACT…HURRICANE RIDGE ROAD CLOSED TO TRAVEL.
FOR HURRICANE RIDGE ROAD CONDITIONS…CALL 360-565-3131 OR VISIT
WWW.NPS.GOV/OLYM/INDEX.HTM.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS IF TRAVELING
INTO THE OLYMPICS.
