Wind Advisory 5, NWS Seattle, WA

481 
WWUS76 KSEW 050451
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
851 PM PST FRI MAR 4 2016

WAZ001-503-506-510-516-517-051200-
/O.CON.KSEW.WI.Y.0005.000000T0000Z-160305T1200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST-
851 PM PST FRI MAR 4 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY...

* TIMING...WINDS WILL INCREASE OVERNIGHT...PEAK AROUND
  MIDNIGHT...THEN EASE BY MORNING.

* WINDS...SOUTHEAST 20 TO 35 MPH WITH GUSTS TO 50 MPH.

* IMPACTS...WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES AND 
  CAUSE LOCAL POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SEATTLE WA
920 AM PST FRI MAR 4 2016

.SYNOPSIS...A SERIES OF FRONTS WILL BRING RAIN AT TIMES OVER THE
NEXT WEEK.

&&

.SHORT TERM...A FRONT IS CURRENTLY BRINGING RAIN TO THE COAST. THE
FRONT WILL SLOWLY SHIFT INLAND TODAY WITH RAIN FOR THE PUGET
SOUND REGION MOSTLY HOLDING OFF UNTIL TONIGHT. THE ACTUAL FRONT
WILL PUSH THROUGH THE INTERIOR LATER TONIGHT WITH RAIN CHANGING TO
SHOWERS SATURDAY MORNING.

ANOTHER FRONTAL SYSTEM WILL QUICKLY SPREAD RAIN INTO THE AREA
LATER IN THE DAY SATURDAY WITH RAIN ALL AREAS SATURDAY NIGHT.
SUNDAY WILL A SHOWERY DAY WITH AN UPPER TROUGH OVER THE AREA.
THERE MIGHT EVEN BE A FEW THUNDERSTORMS.

IT WILL BE BREEZY TO WINDY AT TIMES THE NEXT FEW DAYS AS FRONTS
MOVE THROUGH...ESPECIALLY COAST AND NORTH INTERIOR. THE MOUNTAINS
WILL PICK UP SEVERAL INCHES OF SNOW TONIGHT BUT SNOW LEVELS WILL
BE FAIRLY HIGH...AROUND 5000 FEET. SCHNEIDER

.LONG TERM...MONDAY WILL BE A RELATIVELY QUIET WEATHER DAY WITH A
SPLIT FLOW UPPER TROUGH OVER THE AREA FOR A FEW SHOWERS. A FRONT
WILL BRING RAIN TUESDAY. ANOTHER FRONTAL SYSTEM WILL BRING RAIN
WEDNESDAY AND WEDNESDAY NIGHT. SCHNEIDER

&&

.AVIATION...STRONG AND ENERGETIC SW JET STREAM FLOW ALOFT FOR THE
NEXT 30 HOURS...WITH A STATIONARY FRONT OFF THE COAST THROUGH THIS
EVNG. THIS WILL FOCUS RAIN OVER THE OLYMPIC PENINSULA TODAY...THEN
RAIN WILL SHOVE INLAND TONIGHT. DESPITE THE RAIN...A DRYING EASTERLY
COMPONENT TO THE SFC WINDS WILL KEEP CIGS ABOVE 030...EXCEPT IN
THE HEAVIEST RAIN. WINDS ALOFT WILL BE STRONG...BUT PARTICULARLY SO
ALONG THE COAST...WITH 925-850 MB WINDS PEAKING AT HQM IN THE
50-65 KT RANGE THIS EVNG.

KSEA...THE DAYLIGHT HOURS WILL GENERALLY BE RAIN-FREE...WITH JUST
A FEW RAINDROPS AT TIMES COMING OUT OF A MID-LEVEL CLOUD
DECK...GENERALLY ABOVE 080. A FRONT WILL TRY TO SHOVE INLAND THIS
EVNG...BRINGING A BETTER CHANCE OF RAIN STARTING ARND 04Z...BUT
CIGS WILL STILL REMAIN AT OR ABOVE 050. LIGHT EASTERLY AND
SOUTHERLY SFC WIND FOR THE NEXT 24 HOURS. HANER

&&

.MARINE...A NEARLY STATIONARY FRONT STRETCHES SW FROM CENTRAL
VANCOUVER ISLAND TODAY...WITH STRONG E/SE GRADIENTS OVER THE
WATERS...WITH GALES IN E/SE-WIND PRONE LOCATIONS. A 990 MB LOW
PRESSURE WAVE WILL RIDE NE ALONG THE FRONT THIS EVENING...BRINGING
A CORRESPONDING PEAK IN WIND. COMBINED SEAS 15 TO 20 FEET TODAY
AND THIS EVENING. LOOKS LIKE A SHORT LULL OF A FEW HOURS ON SAT
MORNING WHEN WINDS OVER ALL WATERS WILL FALL BELOW SMALL CRAFT
STRENGTH. THEN ON SAT EVNG...A DEEPENING 975 MB LOW WILL MOVE DUE
NORTH ABOUT HALFWAY BETWEEN THE COAST AND 130W...BRINGING ANOTHER
ROUND OF GALES TO THE COAST AND STRAIT.

&&

.HYDROLOGY...RAINFALL FROM A FRONT LATER TODAY AND TONIGHT WILL
LIKELY PUSH THE SKOKOMISH RIVER IN MASON COUNTY ABOVE FLOOD STAGE
AGAIN TONIGHT. A FLOOD WATCH IS CURRENTLY IN EFFECT.

ADDITIONAL WET WEATHER SUNDAY THROUGH TUESDAY WILL MAINTAIN A
THREAT OF FLOODING FOR THE EXCEPTIONALLY FLOOD PRONE SKOKOMISH
RIVER AT TIMES. MODELS SHOW A POSSIBLE ATMOSPHERIC RIVER EVENT NEXT
WEDNESDAY OR THURSDAY. THE SOLUTIONS ARE NOT IN GOOD AGREEMENT BUT
THEY POINT TO AT LEAST THE POTENTIAL FOR MORE WIDESPREAD RIVER
FLOODING LATER NEXT WEEK.

&&

.SEW WATCHES/WARNINGS/ADVISORIES...
WA...FLOOD WATCH FROM 6 PM PST THIS EVENING THROUGH SATURDAY MORNING
     FOR HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA-OLYMPICS.

PZ...GALE WARNING UNTIL 6 AM PST SATURDAY FOR COASTAL WATERS FROM
     CAPE FLATTERY TO JAMES ISLAND 10 TO 60 NM-COASTAL WATERS
     FROM CAPE FLATTERY TO JAMES ISLAND OUT 10 NM-COASTAL WATERS
     FROM JAMES ISLAND TO POINT GRENVILLE 10 TO 60 NM-COASTAL
     WATERS FROM JAMES ISLAND TO POINT GRENVILLE OUT 10 NM-
     COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER 10
     TO 60 NM-COASTAL WATERS FROM POINT GRENVILLE TO CAPE
     SHOALWATER OUT 10 NM-WEST ENTRANCE U.S. WATERS STRAIT OF
     JUAN DE FUCA.

     SMALL CRAFT ADVISORY FOR ROUGH BAR UNTIL 6 AM PST SATURDAY FOR
     GRAYS HARBOR BAR.

     GALE WARNING UNTIL 3 AM PST SATURDAY FOR EAST ENTRANCE U.S.
     WATERS STRAIT OF JUAN DE FUCA-NORTHERN INLAND WATERS
     INCLUDING THE SAN JUAN ISLANDS.

     SMALL CRAFT ADVISORY UNTIL 3 AM PST SATURDAY FOR ADMIRALTY INLET-
     CENTRAL U.S. WATERS STRAIT OF JUAN DE FUCA.

     SMALL CRAFT ADVISORY FROM NOON TODAY TO 3 AM PST SATURDAY FOR
     PUGET SOUND AND HOOD CANAL.

&&

WWW.WEATHER.GOV/SEATTLE

YOU CAN SEE AN ILLUSTRATED VERSION OF THIS DISCUSSION AT
WWW.WEATHER.GOV/SEATTLE/GAFD/LATEST_WEBAFD.HTML