Washington, 2009

High Wind in Washington, January 8, 2009

January 8, 2009 · NWS SEW · 1 event in 1 county or zone

Brief high wind in the Admiralty Inlet area. The wind did minor damage in the Coupeville area.

The toll

Deaths
0
Injuries
0
Property damage
$6,000
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS SEW wrote it up.

Brief high wind in the Admiralty Inlet area. The wind did minor damage in the Coupeville area.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Seattle, WA wrote its last area forecast discussion before the first event at Jan 8, 3:40 PM PST, 20 minutes earlier.

Area forecast discussion, Jan 8, 3:40 PM PST, 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SEATTLE WA
340 PM PST THU JAN 8 2009

.SYNOPSIS...ONSHORE FLOW WILL WEAKEN THIS EVENING WITH THE
ATMOSPHERE BECOMING MORE STABLE AS HIGH PRESSURE RIDGING BUILDS IN
TONIGHT. A WARM FRONT WILL BRUSH BY NORTHWEST WASHINGTON ON FRIDAY
AND FRIDAY NIGHT AND THEN EXPAND FURTHER SOUTH ON SATURDAY AND
SATURDAY NIGHT AND LINGER ON SUNDAY. HIGH PRESSURE RIDGING WILL
REBOUND EARLY NEXT WEEK WITH BENIGN WEATHER INTO THE MIDDLE OF NEXT
WEEK.

&&

.SHORT TERM...AN UPPER LEVEL TROUGH AXIS HAS NOW MOVED OUT INTO ERN
WA THOUGH AN UNSTABLE ATMOSPHERE AND STRONG ONSHORE FLOW CONTINUE
OVER WRN WA. THIS HAS LED TO A WELL-DEFINED PSCZ THAT HAS MOVED
SOUTH THIS AFTERNOON FROM SNOHOMISH INTO NORTH KING COUNTY. ONSHORE
PRESSURE GRADIENTS WILL FLATTEN OUT QUICKLY THIS EVENING...AND
REBOUNDING UPPER HEIGHTS WILL CAUSE THE AIR MASS TO STABILIZE. THIS
WILL CAUSE SHOWER ACTIVITY TO GRADUALLY TAPER OFF THIS EVENING AND
END ALTOGETHER OVERNIGHT. IN THE MEANTIME...HAVE EXTENDED THE WINTER
WEATHER ADVISORY OVER THE CASCADES UNTIL 10 PM. HEAVIEST ADDITIONAL
SNOWFALL AMOUNTS OF UP TO 6 INCHES WILL BE NEAR STEVENS AND
SNOQUALMIE PASSES...WHERE THE PSCZ INTERSECTS THE CASCADES.

LOW-MID LEVEL WARM ADVECTION CRANKS UP ON FRI AND FRI NIGHT. 12Z GFS
KEEP MOST OF THE WARM ADVECTION PRECIP NEAR AND NORTH OF THE
CANADIAN BORDER...BUT THE 12Z NAM RUN SHOWED PRECIP SPREADING AS FAR
SOUTH AS OLM/TCM EARLY FRIDAY EVENING. HAVE ADDED A MENTION OF RAIN
TO THE FORECAST FOR FRI AFTN AND FRI NIGHT WITH THE HIGHEST POPS
NEAR THE CANADIAN BORDER. THE INTERIOR FROM EVERETT SOUTH IS THE
MOST LIKELY AREA TO REMAIN DRY DURING THIS PERIOD.

STILL LOOKS LIKE A DISSIPATING LOW APPROACHING NORTHERN VANCOUVER
ISLAND ON SAT AFTN WHICH SHOULD ENHANCE WARM ADVECTION RAINS OVER
THE ENTIRE FORECAST AREA THROUGH SAT NIGHT. THE 18Z NAM IS THE MOST
AMBITIOUS WITH SOME MODERATE RAINFALL AMOUNTS ON SAT NIGHT. EVEN
AFTER THIS SYSTEM DISSIPATES...ENOUGH WARM ADVECTION REMAINS ON
SUNDAY TO KEEP CLOUDS AND CHANCE POPS IN THE FORECAST.     HANER

.LONG TERM...STILL JUST CANNOT SHAKE OFF THE CLOUDS AND CHANCE POPS
ON MONDAY AS THE TAIL END OF A SHORTWAVE DIVING SOUTH THROUGH THE
ROCKIES BRUSHES BY AND ENHANCES ONSHORE FLOW. IN THE WAKE OF THIS
SYSTEM...DRIER NORTHERLY FLOW ARRIVES ON TUE. AN UPPER RIDGE AXIS
WILL BE SQUARELY OVER WRN WA ON WED WITH SURFACE HIGH PRESSURE EAST
OF THE CASCADES SUPPORTING MILD AND DRY OFFSHORE FLOW. THE SAME IDEA
GOES FOR THURSDAY.      HANER

&&

.AVIATION...NW FLOW ALF BEHIND THE TROF OVER WRN WA WITH STRONG WLY
FLOW THRU THE STRAIT...AND A NW GALE DOWN THE STRAIT OF GEORGIA AS
WELL. THIS HAS PUT A PSCZ OVER THE KING/SNO LINE AT 2PM THAT WILL
DRIFT SOUTH THRU SEATTLE THRU MID TO LATE AFTERNOON. ANOTHER CZ IS
OVER THE SAN JUANS. THE SHOWERS SHUD MOSTLY BE CONFINED TO THE
CONVERGENCE AREAS AND THE CASCADES WITH DRYING...BUT THEN AREAS OF
ST/SC SETTING UP OVERNIGHT AS THE AIR MASS STABILIZES IN LIGHTER
ONSHORE FLOW. 19

KSEA...AT 2PM A PSCZ WAS AT THE COUNTY LINE...SO THAT WILL BE THE
PROBLEM FOR THE REST OF THE AFTERNOON. I THINK BY THE TIME THE 00Z
TAF GOES OUT THE WIND WILL HAVE SHIFTED AT KSEA TO NLY...BUT IT WILL
BECOME VRB04KT LATER THIS EVENING AND BACK TO LIGHT SOUTHERLY BY
DAYBREAK. 19

&&

.MARINE...THE 2PM OB AT PT WILSON OF NW34G54 WAS IMPRESSIVE. HAD TO
EXTEND THE GALE WARNINGS TO THE NRN COASTAL WATERS WEST ENTRANCE TO
THE STRAIT EARLIER THIS AFTERNOON. DESTRUCTION AND TATOOSH HAVE NOT
STAYED ABOVE GALE FORCE BUT IN THE BALLPARK. THE GALES FOR THE
CENTRAL/EAST STRAIT AND FOR ADMIRALTY WILL STAY UP INTO THE EVENING.
NOT SURE IF I WILL KEEP THE GALE UP FOR THE NRN WATERS...A
CONVERGENCE ZONE OVER OR JUST NORTH OF THE SAN JUANS IS KEEPING THE
WINDS MERELY BREEZY MOST PLACES...BUT THE FULL WESTERLY GALE AT
TRIAL ISLAND AND THE OB OF NW40 AT TSAWWASSEN PROMPTED ME TO PUT ONE
UP. WINDS WILL BE CLOSER TO W25 MANY SPOTS IN THE SAN JUANS SOUTH
THRU ANACORTES AND EAST OF WHIDBEY. IN ANY EVENT...MY HAVE TO UPDATE
THE FCST LATE THIS AFTERNOON OR EVENING AND DROP A FEW GALES DOWN TO
SMALL CRAFTS. 19

&&

.SEW WATCHES/WARNINGS/ADVISORIES...
WA...WINTER WEATHER ADVISORY FOR SNOW IN THE NORTH AND CENTRAL
        CASCADES UNTIL 10 PM THIS EVENING.
PZ...GALE WARNING ALL WATERS EXCEPT PUGET SOUND.
     SMALL CRAFT ADVISORY FOR ROUGH TO SEVERE BAR CONDITIONS
        GRAYS HARBOR BAR.

WWW.WEATHER.GOV/SEATTLE

FOR THE ENHANCED AFD PLEASE VISIT

WWW.WEATHER.GOV/SEATTLE/GAFD/LATESTWEBAFD.HTML (ALL LOWERCASE)

In the hours before

Local storm report, Jan 8, 1:05 PM PST, 2 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
105 PM PST THU JAN 08 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0850 AM     HEAVY RAIN       12 E SHELTON            47.21N 122.85W
01/08/2009  M4.02 INCH       MASON              WA   PUBLIC

            RAINFALL FOR 1/7/09. 6.13 INCHES STORM TOTAL.

0930 AM     HEAVY RAIN       WSW ACME                48.72N 122.21W
01/08/2009  M2.97 INCH       WHATCOM            WA   TRAINED SPOTTER

            25 HOUR RAINFALL TOTAL AT 8 AM TODAY. 8.30 INCHES STORM
            TOTAL.

1120 AM     HEAVY RAIN       1 WNW FEDERAL WAY       47.32N 122.36W
01/08/2009  M5.04 INCH       KING               WA   TRAINED SPOTTER

            TOTAL RAINFALL SINCE THE 4TH.

0103 PM     TSTM WND GST     1 ENE PORT TOWNSEND     48.13N 122.76W
01/08/2009  M40 MPH          PZZ134             WA   TRAINED SPOTTER

            SEVERAL TREES DOWN.

&&

GRUB
Local storm report, Jan 8, 1:44 PM PST, 2 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
144 PM PST THU JAN 08 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0143 PM     NON-TSTM WND GST 2 NW PORT TOWNSEND      48.14N 122.81W
01/08/2009  M0 MPH           JEFFERSON          WA   TRAINED SPOTTER

            36 MPH SUSTAINED GUSTING 47

&&

19

Event by event

1 high wind. Local standard time, as filed.

High Wind, Admiralty Inlet Area

When
January 8, 4:00 PM PST to 6:00 PM PST
Where
Admiralty Inlet Area forecast zone
Measured
37 kt (43 mph) measured sustained
Property damage
$6,000
Reported by
Trained Spotter

There was brief high wind in the Admiralty Inlet area. The winds damaged the roof of the Coupeville warf, and the fuel dock.

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Washington in 2009Every state in 2009This day in weather historyWarnings in Washington, January 2009

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 148713.