Alert archive / Washington / High Wind Warnings in 2010

High Wind Warning 8, NWS Seattle, WA

April 1, 2010San Juan County, Washington

NWS Seattle, WA issued this high wind warning at Apr 1, 2010, 4:03 PM PDT for San Juan County, Washington. It took effect at Apr 2, 2010, 3:00 AM PDT. It was in force for 21 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 1, 2010, 4:03 PM PDT (23:03 UTC)
In effect from
Apr 2, 2010, 3:00 AM PDT
Expired
Apr 3, 2010, 12:00 AM PDT
In force
21 hr
Issued by
NWS Seattle, WA

County San Juan County, WA

The radar

The Seattle radar (KATX), 54 km from the middle of the area, began a volume at 23:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Quillayute State, WA (KUIL), launched 12:00Z, 11.1 hours before the alert went out and 127 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Quillayute State, WA at 12:00Z on 2010-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Quillayute State, WA at 12:00Z on 2010-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
443 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

095 
WWUS76 KSEW 012303
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
403 PM PDT THU APR 1 2010

WAZ001-503-504-506-510-514-515-020600-
/O.UPG.KSEW.HW.A.0006.100402T1300Z-100403T0100Z/
/O.NEW.KSEW.HW.W.0008.100402T1200Z-100403T0400Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
WESTERN SKAGIT COUNTY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
403 PM PDT THU APR 1 2010

...HIGH WIND WARNING IN EFFECT FOR THE STRAIT OF JUAN
DE FUCA...NORTH INTERIOR OF WESTERN WASHINGTON FROM ADMIRALTY INLET
NORTHWARD...AND FOR THE LAKE LAWRENCE AREA OF THURSTON COUNTY FROM
5 AM TO 9 PM PDT FRIDAY...

* VERY STRONG...POSSIBLY DAMAGING...SOUTH WINDS ARE EXPECTED TO
  DEVELOP IN ASSOCIATION WITH A DEEP SURFACE LOW AND ASSOCIATED
  COLD FRONT MOVING THROUGH THE REGION ON FRIDAY. THE WINDIEST
  AREAS WILL INITIALLY BE NEAR THE ENTRANCES TO THE STRAIT OF JUAN
  DE FUCA...AND NEAR LAKE LAWRENCE AND OTHER AREAS OPEN TO
  SOUTHERLY WINDS. WINDS OUTSIDE OF THE LAKE LAWRENCE AREA OF THE
  SOUTHWEST INTERIOR WILL BE LESS...30 TO 35 MPH WITH GUSTS TO 55
  MPH. ELSEWHERE WINDS ARE ANTICIPATED TO INCREASE TO 40 MPH WITH
  GUSTS UP TO 60 MPH.

* A STRONG WESTERLY SURGE OF WIND WILL OCCUR BEHIND THE FRONT
  LATER FRIDAY AFTERNOON AND EVENING. THE WIND DIRECTION WILL
  SHIFT FROM SOUTHEASTERLY TO WESTERLY BRINGING THE STRONGEST
  WINDS TO THE STRAIT...AND AREAS NEAR WHIDBEY ISLAND. EXPECT THE
  POTENTIALLY DAMAGING WINDS OF 40 MPH WITH GUSTS TO 60 MPH TO
  SUBSIDE LATE FRIDAY EVENING.

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS
  PORTIONS OF WESTERN WASHINGTON FRIDAY DUE TO POWER LINES BEING
  DAMAGED BY TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO
  LEAF OUT ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND
  DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO EASILY
  TOPPLE OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ516-517-020600-
/O.UPG.KSEW.HW.A.0006.100402T1300Z-100403T0100Z/
/O.NEW.KSEW.HW.W.0008.100402T1000Z-100403T0200Z/
NORTH COAST-CENTRAL COAST-
403 PM PDT THU APR 1 2010

...HIGH WIND WARNING IN EFFECT FROM 3 AM TO 7 PM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FOR THE CENTRAL AND NORTH WASHINGTON
COAST FROM 3 AM TO 7 PM PDT FRIDAY. THE HIGH WIND WATCH IS NO
LONGER IN EFFECT.

* VERY STRONG...POSSIBLY DAMAGING...SOUTHEAST WINDS ARE EXPECTED TO
  DEVELOP OVER THE CENTRAL AND NORTH WASHINGTON COAST FRIDAY
  MORNING AHEAD OF A COLD FRONT. WINDS ARE ANTICIPATED TO INCREASE
  TO 40 MPH WITH GUSTS TO 60 MPH.

* ANTICIPATE THE POTENTIALLY DAMAGING WINDS TO BECOME WESTERLY AND
  SLOWLY SUBSIDE BY FRIDAY EVENING.

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS
  PORTIONS OF THE COASTAL AREA DUE TO POWER LINES BEING DAMAGED BY
  TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO LEAF OUT
  ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND DAMAGE TO
  OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO EASILY TOPPLE OR
  BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ505-507>509-511-512-020600-
/O.CON.KSEW.HW.A.0006.100402T1300Z-100403T0100Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
LOWER CHEHALIS VALLEY AREA-
403 PM PDT THU APR 1 2010

...HIGH WIND WATCH REMAINS IN EFFECT FOR THE GREATER PUGET SOUND
REGION...EAST PUGET SOUND LOWLANDS...AND THE LOWER CHEHALIS VALLEY FROM
FRIDAY MORNING THROUGH FRIDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON. 

* VERY STRONG...POSSIBLY DAMAGING...SOUTH WINDS MAY DEVELOP ALONG
  AND BEHIND A COLD FRONT ON FRIDAY...OVER PORTIONS OF INTERIOR
  WESTERN WASHINGTON. THERE IS STILL SOME UNCERTAINTY AS TO THE
  EXACT TRACK AND DEPTH OF THE ASSOCIATED SURFACE LOW MOVING NEAR
  OR JUST NORTH OF WASHINGTON. AT THIS TIME...THE MOST LIKELY
  SCENARIO WOULD GENERATE SOUTH WINDS OF 25 TO 35 MPH WITH GUSTS
  UP TO 55 MPH. HOWEVER...IF THE SURFACE LOW DEEPENS MORE THAN
  EXPECTED...WIND SPEEDS COULD REACH CLOSE TO HIGH WIND CRITERIA.
  THEREFORE THE HIGH WIND WATCH REMAINS IN EFFECT UNTIL DETAILS
  ARE MORE CERTAIN.

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS
  PORTIONS OF WESTERN WASHINGTON FRIDAY AFTERNOON AND EVENING DUE
  TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME OF THE REGIONS
  TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD TO THE
  POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD
  ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR DAMAGING
WINDS. HIGH WINDS CAN TOPPLE TREES...DOWN POWER LINES...AND
DAMAGE SOME STRUCTURES.

&&

$$

MERCER
WEATHER.GOV/SEATTLE
6 follow-up statements
953 
WWUS76 KSEW 020525
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1025 PM PDT THU APR 1 2010

WAZ516-517-021330-
/O.CON.KSEW.HW.W.0008.100402T1000Z-100403T0200Z/
NORTH COAST-CENTRAL COAST-
1025 PM PDT THU APR 1 2010

...HIGH WIND WARNING REMAINS IN EFFECT FROM 3 AM TO 7 PM PDT
FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 3 AM TO 7 PM PDT
FRIDAY. 

* VERY STRONG...POSSIBLY DAMAGING...SOUTHEAST WINDS ARE EXPECTED 
  TO DEVELOP OVER THE CENTRAL AND NORTH WASHINGTON COAST FRIDAY 
  MORNING AHEAD OF A COLD FRONT. WINDS ARE ANTICIPATED TO 
  INCREASE TO 40 MPH WITH GUSTS TO 60 MPH. 

* ANTICIPATE THE POTENTIALLY DAMAGING WINDS TO BECOME WESTERLY 
  AND SLOWLY SUBSIDE BY FRIDAY EVENING. 

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES 
  ACROSS PORTIONS OF THE COASTAL AREA DUE TO POWER LINES BEING 
  DAMAGED BY TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO 
  LEAF OUT ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND 
  DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO 
  EASILY TOPPLE OR BECOME UPROOTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ001-503-504-506-510-514-515-021330-
/O.CON.KSEW.HW.W.0008.100402T1200Z-100403T0400Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
WESTERN SKAGIT COUNTY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
1025 PM PDT THU APR 1 2010

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO 9 PM PDT
FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO 9 PM PDT
FRIDAY. 

* A STRONG WESTERLY SURGE OF WIND WILL OCCUR BEHIND THE FRONT 
  LATER FRIDAY AFTERNOON AND EVENING. THE WIND DIRECTION WILL 
  SHIFT FROM SOUTHEASTERLY TO WESTERLY BRINGING THE STRONGEST 
  WINDS TO THE STRAIT...AND AREAS NEAR WHIDBEY ISLAND. EXPECT 
  THE POTENTIALLY DAMAGING WINDS OF 40 MPH WITH GUSTS TO 60 MPH 
  TO SUBSIDE LATE FRIDAY EVENING. 

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES 
  ACROSS PORTIONS OF WESTERN WASHINGTON FRIDAY DUE TO POWER 
  LINES BEING DAMAGED BY TREE LIMBS. SOME OF THE REGIONS TREES 
  HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD TO THE 
  POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD 
  ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ505-507>509-511-512-021330-
/O.CON.KSEW.HW.A.0006.100402T1300Z-100403T0100Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
LOWER CHEHALIS VALLEY AREA-
1025 PM PDT THU APR 1 2010

...HIGH WIND WATCH REMAINS IN EFFECT FROM 6 AM PDT FRIDAY THROUGH
FRIDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 6 AM PDT FRIDAY THROUGH
FRIDAY AFTERNOON. 

* VERY STRONG...POSSIBLY DAMAGING...SOUTH WINDS MAY DEVELOP 
  ALONG AND BEHIND A COLD FRONT ON FRIDAY...OVER PORTIONS OF 
  INTERIOR WESTERN WASHINGTON. THERE IS STILL SOME UNCERTAINTY 
  AS TO THE EXACT TRACK AND DEPTH OF THE ASSOCIATED SURFACE LOW 
  MOVING NEAR OR JUST NORTH OF WASHINGTON. AT THIS TIME...THE 
  MOST LIKELY SCENARIO WOULD GENERATE SOUTH WINDS OF 25 TO 35 
  MPH WITH GUSTS UP TO 55 MPH. HOWEVER...IF THE SURFACE LOW 
  DEEPENS MORE THAN EXPECTED...WIND SPEEDS COULD REACH CLOSE TO 
  HIGH WIND CRITERIA. THEREFORE THE HIGH WIND WATCH REMAINS IN 
  EFFECT UNTIL DETAILS ARE MORE CERTAIN. 

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES 
  ACROSS PORTIONS OF WESTERN WASHINGTON FRIDAY AFTERNOON AND 
  EVENING DUE TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME 
  OF THE REGIONS TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH 
  COULD ADD TO THE POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN 
  SOAKED GROUND COULD ALLOW TREES TO EASILY TOPPLE OR BECOME 
  UPROOTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR DAMAGING
WINDS. HIGH WINDS CAN TOPPLE TREES...DOWN POWER LINES...AND
DAMAGE SOME STRUCTURES.

&&

$$
580 
WWUS76 KSEW 021055
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
355 AM PDT FRI APR 2 2010

WAZ516-517-021900-
/O.CON.KSEW.HW.W.0008.000000T0000Z-100403T0200Z/
NORTH COAST-CENTRAL COAST-
355 AM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING. 

* VERY STRONG...POSSIBLY DAMAGING...SOUTHEAST WINDS ARE EXPECTED
  TO DEVELOP OVER THE CENTRAL AND NORTH WASHINGTON COAST THIS MORNING
  AHEAD OF A COLD FRONT. WINDS ARE ANTICIPATED TO INCREASE TO 40
  MPH WITH GUSTS TO 60 MPH.

* ANTICIPATE THE POTENTIALLY DAMAGING WINDS TO BECOME WESTERLY AND
  SLOWLY SUBSIDE BY THIS EVENING.

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS
  PORTIONS OF THE COASTAL AREA DUE TO POWER LINES BEING DAMAGED BY
  TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO LEAF OUT
  ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND DAMAGE TO
  OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO EASILY TOPPLE OR
  BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ001-503-504-506-510-514-515-021900-
/O.CON.KSEW.HW.W.0008.100402T1200Z-100403T0400Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
WESTERN SKAGIT COUNTY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
355 AM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING. 

* A STRONG WESTERLY SURGE OF WIND WILL OCCUR BEHIND THE FRONT
  LATER THIS AFTERNOON AND EVENING. THE WIND DIRECTION WILL SHIFT
  FROM SOUTHEASTERLY TO WESTERLY BRINGING THE STRONGEST WINDS TO
  THE STRAIT...AND AREAS NEAR WHIDBEY ISLAND. EXPECT THE
  POTENTIALLY DAMAGING WINDS OF 40 MPH WITH GUSTS TO 60 MPH TO
  SUBSIDE LATE THIS EVENING.

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS
  PORTIONS OF WESTERN WASHINGTON DUE TO POWER LINES BEING DAMAGED
  BY TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO LEAF OUT
  ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND DAMAGE TO
  OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO EASILY TOPPLE OR
  BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ505-507>509-511-512-021900-
/O.UPG.KSEW.HW.A.0006.100402T1300Z-100403T0100Z/
/O.NEW.KSEW.WI.Y.0013.100402T1300Z-100403T0100Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
LOWER CHEHALIS VALLEY AREA-
355 AM PDT FRI APR 2 2010

...WIND ADVISORY IN EFFECT UNTIL 6 PM PDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM PDT THIS EVENING. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* STRONG SOUTHERLY WINDS ARE EXPECTED TO DEVELOP ALONG AND BEHIND
  A COLD FRONT WHICH WILL PASS ACROSS INTERIOR WESTERN WASHINGTON
  TODAY. AT THIS TIME...SUSTAINED SOUTH WINDS OF 20 TO 35 MPH ARE
  EXPECTED TO DEVELOP BY MID DAY AND CONTINUE IN TO THE AFTERNOON
  BEFORE EASING DURING THE EVENING HOURS. OCCASIONAL WIND GUSTS OF
  45 TO 55 MPH ARE ALSO EXPECTED...ESPECIALLY IN MORE EXPOSED
  AREAS. 

* THE STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS
  PORTIONS OF WESTERN WASHINGTON THIS AFTERNOON AND EVENING DUE
  TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME OF THE REGIONS
  TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD TO THE
  POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD
  ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS UP TO 35 MPH OR GUSTS
TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN DAMAGE TREES AND
POWER LINES AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. PLEASE USE EXTRA CAUTION.

$$

CERNIGLIA
938 
WWUS76 KSEW 021546
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
846 AM PDT FRI APR 2 2010

WAZ511-030000-
/O.UPG.KSEW.WI.Y.0013.000000T0000Z-100403T0100Z/
/O.EXB.KSEW.HW.W.0008.000000T0000Z-100403T0100Z/
HOOD CANAL AREA-
846 AM PDT FRI APR 2 2010

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM PDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 PM PDT THIS EVENING. THE
WIND ADVISORY IS NO LONGER IN EFFECT. 


* STRONG SOUTHERLY WINDS ARE EXPECTED TO DEVELOP ALONG AND BEHIND
  A COLD FRONT WHICH WILL PASS ACROSS INTERIOR WESTERN WASHINGTON
  LATE THIS MORNING. A SECONDARY BACK BENT FEATURE WILL MOVE ON
  SHORE BEHIND THE FRONT MOVES EARLY THIS AFTERNOON WHICH WILL
  ALSO ENHANCE THE WINDS. EXPECT POTENTIALLY DAMAGING WINDS OF 40
  MPH WITH GUSTS TO 60 MPH TIME TO DEVELOP LATE THIS MORNING WITH
  THE FRONT AND INTO THE EARLY AFTERNOON BEFORE EASING DURING THE
  EVENING HOURS.

* THE STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS 
  PORTIONS OF WESTERN WASHINGTON THIS AFTERNOON AND EVENING DUE 
  TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME OF THE 
  REGIONS TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD 
  TO THE POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND 
  COULD ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ001-503-504-506-510-514-515-030000-
/O.CON.KSEW.HW.W.0008.000000T0000Z-100403T0400Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
WESTERN SKAGIT COUNTY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
846 AM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING. 

* A STRONG WESTERLY SURGE OF WIND WILL OCCUR BEHIND THE FRONT 
  LATER THIS AFTERNOON AND EVENING. THE WIND DIRECTION WILL 
  SHIFT FROM SOUTHEASTERLY TO WESTERLY BRINGING THE STRONGEST 
  WINDS TO THE STRAIT...AND AREAS NEAR WHIDBEY ISLAND. EXPECT 
  THE POTENTIALLY DAMAGING WINDS OF 40 MPH WITH GUSTS TO 60 MPH 
  TO SUBSIDE LATE THIS EVENING. 

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES 
  ACROSS PORTIONS OF WESTERN WASHINGTON DUE TO POWER LINES BEING 
  DAMAGED BY TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO 
  LEAF OUT ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND 
  DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO 
  EASILY TOPPLE OR BECOME UPROOTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ516-517-030000-
/O.CON.KSEW.HW.W.0008.000000T0000Z-100403T0200Z/
NORTH COAST-CENTRAL COAST-
846 AM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING. 

* VERY STRONG...AND DAMAGING...SOUTHEAST WINDS OF 40 WITH GUSTS TO
  70 MPH ARE EXPECTED TO SHIFT TO THE SOUTHWEST LATE THIS MORNING.

* THE VERY STRONG WINDS COULD RESULT IN POWER OUTAGES ACROSS
  PORTIONS OF THE COASTAL AREA DUE TO POWER LINES BEING DAMAGED BY
  TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO LEAF OUT
  ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND DAMAGE TO
  OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO EASILY TOPPLE OR
  BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ505-507>509-512-030000-
/O.CON.KSEW.WI.Y.0013.000000T0000Z-100403T0100Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-LOWER CHEHALIS VALLEY AREA-
846 AM PDT FRI APR 2 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING. 

* STRONG SOUTHERLY WINDS ARE EXPECTED TO DEVELOP ALONG AND 
  BEHIND A COLD FRONT WHICH WILL PASS ACROSS INTERIOR WESTERN 
  WASHINGTON TODAY. AT THIS TIME...SUSTAINED SOUTH WINDS OF 20 
  TO 35 MPH ARE EXPECTED TO DEVELOP BY MID DAY AND CONTINUE IN 
  TO THE AFTERNOON BEFORE EASING DURING THE EVENING HOURS. 
  OCCASIONAL WIND GUSTS OF 45 TO 55 MPH ARE ALSO EXPECTED...
  ESPECIALLY IN MORE EXPOSED AREAS. 

* THE STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS 
  PORTIONS OF WESTERN WASHINGTON THIS AFTERNOON AND EVENING DUE 
  TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME OF THE 
  REGIONS TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD 
  TO THE POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND 
  COULD ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS UP TO 35 MPH OR GUSTS
TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN DAMAGE TREES AND
POWER LINES AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. PLEASE USE EXTRA CAUTION.

$$
689 
WWUS76 KSEW 022146
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
246 PM PDT FRI APR 2 2010

WAZ001-503-504-506-510-514-515-030400-
/O.CON.KSEW.HW.W.0008.000000T0000Z-100403T0400Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
WESTERN SKAGIT COUNTY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
246 PM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING. 

* VERY STRONG...AND DAMAGING...SOUTHEASTERLY WINDS OF 40 MPH
  SUSTAINED WITH GUSTS TO 60 MPH. A STRONG WESTERLY SURGE OF WIND
  THROUGH THE STRAIT WILL OCCUR LATER THIS EVENING. EXPECT THE
  WIND DIRECTION TO SHIFT TO WESTERLY BRINGING THE CONTINUED
  DAMAGING WINDS OF 40 MPH WITH GUSTS TO 60 MPH TO THE
  STRAIT...AND AREAS NEAR WHIDBEY ISLAND. WINDS WILL BEGIN TO SUBSIDE
  LATE THIS EVENING.

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES 
  ACROSS PORTIONS OF WESTERN WASHINGTON DUE TO POWER LINES BEING 
  DAMAGED BY TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO 
  LEAF OUT ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND 
  DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO 
  EASILY TOPPLE OR BECOME UPROOTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ511-030100-
/O.CON.KSEW.HW.W.0008.000000T0000Z-100403T0100Z/
HOOD CANAL AREA-
246 PM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING. 

* VERY STRONG...AND DAMAGING...SOUTHERLY WINDS OF 40 MPH SUSTAINED
  WITH GUSTS TO 60 MPH WILL PERSIST THIS AFTERNOON BEFORE EASING
  DURING THE EVENING HOURS.

* THE STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS 
  PORTIONS OF WESTERN WASHINGTON THIS AFTERNOON AND EVENING DUE 
  TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME OF THE 
  REGIONS TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD 
  TO THE POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND 
  COULD ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ516-517-030200-
/O.CON.KSEW.HW.W.0008.000000T0000Z-100403T0200Z/
NORTH COAST-CENTRAL COAST-
246 PM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING. 

* VERY STRONG...AND DAMAGING...SOUTHWEST WINDS OF 40 MPH SUSTAINED
  WITH GUSTS TO 60 MPH.

* THE VERY STRONG WINDS COULD RESULT IN POWER OUTAGES ACROSS 
  PORTIONS OF THE COASTAL AREA DUE TO POWER LINES BEING DAMAGED 
  BY TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO LEAF 
  OUT ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND DAMAGE 
  TO OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO EASILY 
  TOPPLE OR BECOME UPROOTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ505-507>509-512-030400-
/O.EXT.KSEW.WI.Y.0013.000000T0000Z-100403T0400Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-LOWER CHEHALIS VALLEY AREA-
246 PM PDT FRI APR 2 2010

...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING. 

* STRONG SOUTHERLY WINDS OF 20 TO 35 MPH WILL PERSIST INTO THE
  EARLY EVENING HOURS BEFORE EASING. OCCASIONAL WIND GUSTS OF 45 TO
  55 MPH ARE ALSO EXPECTED... ESPECIALLY IN MORE EXPOSED AREAS.

* THE STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS 
  PORTIONS OF WESTERN WASHINGTON THIS AFTERNOON AND EVENING DUE 
  TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME OF THE 
  REGIONS TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD 
  TO THE POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND 
  COULD ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS UP TO 35 MPH OR GUSTS
TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN DAMAGE TREES AND
POWER LINES AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. PLEASE USE EXTRA CAUTION.

$$
986 
WWUS76 KSEW 022209 CCA
NPWSEW

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE SEATTLE WA
302 PM PDT FRI APR 2 2010

WAZ001-503-504-506-510-514-515-030400-
/O.COR.KSEW.HW.W.0008.000000T0000Z-100403T0400Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
WESTERN SKAGIT COUNTY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
302 PM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING.

* VERY STRONG...AND DAMAGING...SOUTHEASTERLY WINDS OF 40 MPH
  SUSTAINED WITH GUSTS TO 60 MPH. A STRONG WESTERLY SURGE OF WIND
  THROUGH THE STRAIT WILL OCCUR LATER THIS EVENING. EXPECT THE
  WIND DIRECTION TO SHIFT TO WESTERLY BRINGING THE CONTINUED
  DAMAGING WINDS OF 40 MPH WITH GUSTS TO 60 MPH TO THE
  STRAIT...AND AREAS NEAR WHIDBEY ISLAND. WINDS WILL BEGIN TO SUBSIDE
  LATE THIS EVENING.

* THE WINDIEST AREAS IN THE SOUTHWEST INTERIOR WILL CONTINUE TO BE
  NEAR THE LAKE LAWRENCE AREA AND OTHER LOCATIONS OPEN TO SOUTHERLY WINDS.
  WINDS OUTSIDE OF THE LAKE LAWRENCE AREA OF THE SOUTHWEST
  INTERIOR WILL BE LESS...30 TO 35 MPH WITH GUSTS TO 55 MPH.

* THE VERY STRONG WINDS COULD RESULT IN SOME POWER OUTAGES
  ACROSS PORTIONS OF WESTERN WASHINGTON DUE TO POWER LINES BEING
  DAMAGED BY TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO
  LEAF OUT ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND
  DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO
  EASILY TOPPLE OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ511-030100-
/O.CON.KSEW.HW.W.0008.000000T0000Z-100403T0100Z/
HOOD CANAL AREA-
302 PM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING.

* VERY STRONG...AND DAMAGING...SOUTHERLY WINDS OF 40 MPH SUSTAINED
  WITH GUSTS TO 60 MPH WILL PERSIST THIS AFTERNOON BEFORE EASING
  DURING THE EVENING HOURS.

* THE STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS
  PORTIONS OF WESTERN WASHINGTON THIS AFTERNOON AND EVENING DUE
  TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME OF THE
  REGIONS TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD
  TO THE POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND
  COULD ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ516-517-030200-
/O.CON.KSEW.HW.W.0008.000000T0000Z-100403T0200Z/
NORTH COAST-CENTRAL COAST-
302 PM PDT FRI APR 2 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING.

* VERY STRONG...AND DAMAGING...SOUTHWEST WINDS OF 40 MPH SUSTAINED
  WITH GUSTS TO 60 MPH.

* THE VERY STRONG WINDS COULD RESULT IN POWER OUTAGES ACROSS
  PORTIONS OF THE COASTAL AREA DUE TO POWER LINES BEING DAMAGED
  BY TREE LIMBS. SOME OF THE REGIONS TREES HAVE BEGUN TO LEAF
  OUT ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND DAMAGE
  TO OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO EASILY
  TOPPLE OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ505-507>509-512-030400-
/O.EXT.KSEW.WI.Y.0013.000000T0000Z-100403T0400Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-LOWER CHEHALIS VALLEY AREA-
302 PM PDT FRI APR 2 2010

...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING.

* STRONG SOUTHERLY WINDS OF 20 TO 35 MPH WILL PERSIST INTO THE
  EARLY EVENING HOURS BEFORE EASING. OCCASIONAL WIND GUSTS OF 45 TO
  55 MPH ARE ALSO EXPECTED... ESPECIALLY IN MORE EXPOSED AREAS.

* THE STRONG WINDS COULD RESULT IN SOME POWER OUTAGES ACROSS
  PORTIONS OF WESTERN WASHINGTON THIS AFTERNOON AND EVENING DUE
  TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME OF THE
  REGIONS TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD
  TO THE POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND
  COULD ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS UP TO 35 MPH OR GUSTS
TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN DAMAGE TREES AND
POWER LINES AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. PLEASE USE EXTRA CAUTION.

$$
809 
WWUS76 KSEW 030220
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
720 PM PDT FRI APR 2 2010

WAZ504-030700-
/O.CAN.KSEW.HW.W.0008.000000T0000Z-100403T0400Z/
/O.EXB.KSEW.WI.Y.0013.000000T0000Z-100403T0700Z/
SOUTHWEST INTERIOR-
720 PM PDT FRI APR 2 2010

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

* STRONG SOUTHERLY WINDS OF 20 TO 35 MPH WILL PERSIST UNTIL
  MIDNIGHT BEFORE EASING. OCCASIONAL WIND GUSTS OF 40 TO 50 MPH
  ARE ALSO EXPECTED...ESPECIALLY IN MORE EXPOSED AREAS.

* IN PREVIOUS EVENTS THE LOCAL AREA RIGHT AROUND LAKE LAWRENCE HAS
  EXPERIENCED THE HIGHEST WINDS IN THE SOUTHWEST INTERIOR. THAT IS
  LIKELY WITH THIS STORM AS WELL.

* THE STRONG WINDS COULD RESULT IN SCATTERED POWER OUTAGES DUE TO
  POWER LINES BEING DAMAGED BY TREE LIMBS. SOME TREES HAVE BEGUN
  TO LEAF OUT ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND
  DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO EASILY
  TOPPLE OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS UP TO 35 MPH OR GUSTS
TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN DAMAGE TREES AND
POWER LINES AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. PLEASE USE EXTRA CAUTION.

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.

&&

$$

WAZ516-517-030330-
/O.EXP.KSEW.HW.W.0008.000000T0000Z-100403T0200Z/
NORTH COAST-CENTRAL COAST-
720 PM PDT FRI APR 2 2010

...HIGH WIND WARNING HAS EXPIRED...

THE HIGH WIND WARNING IS NO LONGER IN EFFECT. 

* WINDS: SUSTAINED WIND OF 25 TO 35 MPH WITH GUSTS OF 40 TO 50 MPH
  WILL CONTINUE.

* TIMING: STRONG WIND WILL CONTINUE UNTIL AROUND MIDNIGHT...THEN
  DIMINISH. 

* IMPACTS: SCATTERED POWER OUTAGES AND DOWNED TREES ARE POSSIBLE
  UNTIL AT LEAST MIDNIGHT.


$$

WAZ512-030330-
/O.CAN.KSEW.WI.Y.0013.000000T0000Z-100403T0400Z/
LOWER CHEHALIS VALLEY AREA-
720 PM PDT FRI APR 2 2010

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE WIND
ADVISORY. 

WIND HAS DIMINISHED BELOW ADVISORY LEVELS AND IS NOT EXPECTED TO
INCREASE.

$$

WAZ001-503-506-510-514-515-030700-
/O.EXT.KSEW.HW.W.0008.000000T0000Z-100403T0700Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-
720 PM PDT FRI APR 2 2010

...HIGH WIND WARNING NOW IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT. 

* VERY STRONG...AND DAMAGING...SOUTHEASTERLY WINDS OF 40 MPH
  SUSTAINED WITH GUSTS TO 60 MPH REMAIN POSSIBLE OVER THE
  NORTHWEST INTERIOR UNTIL MIDNIGHT. 

*  A STRONG WESTERLY SURGE OF WIND THROUGH THE STRAIT WILL OCCUR
   LATER THIS EVENING. DAMAGING WINDS OF 40 MPH WITH GUSTS TO 60
   MPH ARE POSSIBLE THIS EVENING IN LAND AREAS ADJACENT TO THE
   STRAIT OF JUAN DE FUCA. WINDS WILL BEGIN TO SUBSIDE AFTER
   MIDNIGHT.

* THE VERY STRONG WINDS COULD RESULT IN POWER OUTAGES DUE TO POWER
  LINES BEING DAMAGED BY TREE LIMBS. SOME TREES HAVE BEGUN TO LEAF
  OUT ALREADY...WHICH COULD ADD TO THE POTENTIAL FOR WIND DAMAGE
  TO OCCUR. RAIN SOAKED GROUND COULD ALLOW TREES TO EASILY TOPPLE
  OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WAZ505-507>509-030700-
/O.EXT.KSEW.WI.Y.0013.000000T0000Z-100403T0700Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-
720 PM PDT FRI APR 2 2010

...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. 

* STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WILL PERSIST INTO THE
  LATE EVENING HOURS BEFORE EASING. OCCASIONAL WIND GUSTS OF 45 TO
  55 MPH ARE ALSO EXPECTED...ESPECIALLY IN MORE EXPOSED AREAS.

* THE STRONG WINDS COULD RESULT IN SCATTERED POWER OUTAGES THIS
  EVENING DUE TO POWER LINES BEING DAMAGED BY TREE LIMBS. SOME
  TREES HAVE BEGUN TO LEAF OUT ALREADY...WHICH COULD ADD TO THE
  POTENTIAL FOR WIND DAMAGE TO OCCUR. RAIN SOAKED GROUND COULD
  ALLOW TREES TO EASILY TOPPLE OR BECOME UPROOTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS UP TO 35 MPH OR GUSTS
TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN DAMAGE TREES AND
POWER LINES AND MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. PLEASE USE EXTRA CAUTION.

$$
BURKE

What forecasters said that day

The local office's own words before this high wind warning went out, 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 this high wind warning went out at Apr 1, 3:30 PM PDT, 33 minutes earlier.

Area forecast discussion, Apr 1, 3:30 PM PDT, 33 minutes before
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE SEATTLE WA
330 PM PDT THU APR 1 2010

CORRECTED THE AVIATION...MARINE...AND WATCH/WARNING/ADVISORY
SEGMENTS.

.SYNOPSIS...A STRONG LATE SEASON STORM SYSTEM DEVELOPING OVER THE
EASTERN PACIFIC TONIGHT WILL MOVE INTO VANCOUVER ISLAND JUST OFF THE
NORTHWEST TIP OF THE OLYMPIC PENINSULA FRIDAY AFTERNOON.  THIS
SYSTEM WILL DRIVE A STRONG FRONT ACROSS THE AREA FRIDAY PRODUCING
VERY WINDY CONDITIONS ACROSS MUCH OF WESTERN WASHINGTON.  COOL AND
UNSTABLE AIR WILL INVADE THE REGION BEHIND THIS SYSTEM FRIDAY NIGHT
AND SATURDAY.  ANOTHER...WEAKER SYSTEM WILL APPROACH THE WEST COAST
LATER SUNDAY AND LINGER OVER THE REGION THROUGH MONDAY. A SERIES OF
WEATHER SYSTEMS WILL CONTINUE THE UNSETTLED WEATHER PATTERN THROUGH
THE MIDDLE OF NEXT WEEK.

&&

.SHORT TERM...LATEST RADAR LOOP INDICATES SCATTERED SHOWER ACTIVITY
CONTINUING ACROSS MUCH OF WRN WA LATE THIS AFTERNOON. THE ATMOSPHERE
REMAIN MOIST AND SOMEWHAT UNSTABLE BUT DIURNAL INSTABILITY WILL WANE
OVER THE NEXT FEW HOURS. WILL LEAVE POPS IN THE CHANCE CATEGORY WITH
THE EXPECTATION THAT SHOWERS WILL START TO DECREASE IN COVERAGE.

WV AND IR SATELLITE IMAGERY SHOWS THE NEXT STRONG LOW PRESSURE
SYSTEM BEGINNING TO DEVELOP OUT NEAR 150 W AND 45 N. A VERY STRONG
190+ KT JET WILL SPUR A SURFACE LOW TO DEEPEN OVERNIGHT. THE JET
WILL WEAKEN SOMEWHAT BUT THE FLOW WILL BUCKLE PUTTING THE PAC NW IN
THE STORM TRACK. ALL MODELS AGREE THAT A DEEPENING LOW WILL TRACK
INLAND SOMEWHERE BETWEEN THE N WA COAST AND THE CENTRAL VANCOUVER
COAST FRIDAY AFTERNOON. THE ECMWF/NAM/AND MOST GFS ENSEMBLE MEMBERS
TRACK A SUB 980 MB SURFACE LOW INTO S/CENTRAL VANCOUVER ISLAND. THIS
SCENARIO WOULD LIKELY PRODUCE THE STRONGEST AND MOST WIDESPREAD
WINDS ACROSS WRN WA. THE OPERATIONAL GFS AND MM5 ARE WEAKER AND
TRACK A BROADER SURFACE LOW ACROSS THE OLYMPIC PENINSULA WITH A
SOMEWHAT LESS FAVORABLE TRAJECTORY. BASED ON FORECAST SURFACE
GRADIENTS AND THE MEAN MODEL SURFACE LOW TRACK...IT SEEMS PRUDENT TO
CONVERT THE HIGH WIND WATCHES TO A WARNINGS FOR THE
COAST...STRAIT...AND N INTERIOR SINCE THESE LOCATIONS WILL PROBABLY
VERIFY AT LEAST IN GUSTS IN EITHER OUTCOME. AS FOR THE GREATER PUGET
SOUND REGION AND SW INTERIOR...THE EXACT DEPTH AND LANDFALL LOCATION
WILL MAKE A BIGGER DIFFERENCE ON WIND SPEEDS. THESE LOCATIONS COULD
END UP LOWER END ADVISORY OR POSSIBLY LOW END HIGH WIND CRITERIA.
SINCE THE STRONGER WINDS HOLD OFF HERE UNTIL FRIDAY AFTERNOON I HAVE
OPTED TO LEAVE THE WATCH IN PLACE AND LET THE NEXT SHIFT LOOK AT
ADDITIONAL MODEL RUNS BEFORE MAKING A DECISION. WILL WORD THE
STATEMENT TO LEAN TOWARD ADVISORY LEVEL WINDS FOR NOW.

THIS SYSTEM WILL ALSO PACK A GOOD DEAL OF MOISTURE AND STRONG SLY
FLOW BECOMING WLY BEHIND THE FRONT FRIDAY AFTERNOON. SLOPES THAT DO
WELL IN S AND W FLOW REGIMES WILL SEE THE HEAVIEST AMOUNT OF
PRECIPITATION. SNOW LEVELS WILL REMAIN FAIRLY LOW...GENERALLY IN THE
2000-2500 FOOT RANGE. THE HEAVIEST SNOW IN THE PASSES WILL LIKELY
OCCUR LATER FRIDAY AFTERNOON AND EVENING AS STRONG POST FRONTAL
WESTERLIES WILL BE IDEAL FOR OROGRAPHIC ENHANCEMENT. THE MOUNTAINS
AND PASSES SHOULD RECEIVE 1 TO 2 FEET OF SNOW BY THE END OF THE
EVENT SATURDAY MORNING...WITH LOCALLY 3 FEET POSSIBLE IN THE HIGHER
ELEVATIONS FAVORED BY BOTH S AND W FLOW SUCH AS MT BAKER AND
PARADISE. IN ADDITION...VERY STRONG WEST WINDS OF 40 MPH WITH GUSTS
TO 60 MPH ARE EXPECTED TO DEVELOP IN THE MOUNTAINS AND PASSES FRIDAY
AFTERNOON AND EVENING PRODUCING BLOWING AND DRIFTING SNOW. THIS WILL
CREATE REDUCED VISIBILITY AND HAZARDOUS DRIVING CONDITIONS OVER THE
PASSES. THE WINTER STORM WATCH WILL BE CONVERTED TO A WARNING THIS
AFTERNOON.

SNOW WILL FIRST TAPPER OFF TO SHOWERS OVER THE OLYMPICS FRIDAY NIGHT
THEN ACROSS THE CASCADES BY MIDDAY SATURDAY AS THE FLOW WEAKENS. A
DEEPENING TROUGH OFFSHORE SATURDAY NIGHT WILL FORCE SOME WEAK
RIDGING OVER WA ALLOWING PRECIP TO BECOME JUST SCATTERED SHOWERS.
MODELS SLOW THE EWD PROGRESS OF THE LOW ON SUNDAY BUT BRING IT JUST
CLOSE ENOUGH TO THE COAST TO WARRANT CHANCE POPS ACROSS THE AREA.

.LONG TERM...THE COOL AND UNSETTLED WEATHER PATTERN WILL CONTINUE
THROUGH MUCH OF NEXT WEEK. MODELS SWING A LOW IN ACROSS THE AREA ON
MONDAY WITH A BETTER CHANCE OF LIGHT RAIN AND MOUNTAIN SNOW. COOL
AND MOIST NW FLOW IS LEFT IN ITS WAKE WHICH EXTENDS UPSTREAM TO THE
GULF OF ALASKA. THIS PATTERN IS PRETTY GOOD FOR PRODUCING
OROGRAPHICALLY ENHANCED SNOWFALL IN THE MOUNTAINS WITH SNOW LEVELS
REMAINING DOWN TO PASS LEVELS. A SERIES OF WEAK SYSTEM WILL
TRANSVERSE WRN WA THROUGH MID WEEK WITH SNOW AT TIMES IN THE
MOUNTAINS AND UNSEASONABLY LOW SNOW LEVELS.  MERCER

&&

.HYDRO...A STRONG FRONTAL SYSTEM WILL BRING HEAVY RAIN AND SNOW TO
THE OLYMPICS AND CASCADES LATER TONIGHT THROUGH FRIDAY. SNOW LEVELS
WILL REMAIN FAIRLY LOW...AROUND 2000 TO 2500 FEET WHICH WILL
MITIGATE THE RISK OF FLOODING IN MOST BASINS. THE STRONG SLY FLOW
OUT AHEAD OF THE LOW WILL FAVOR HEAVY PRECIPITATION OVER THE S
FACING SLOPES OF THE OLYMPICS WHERE MODELS ARE PRODUCING 2-3 INCHES
QPF. AT THIS TIME...THE ONLY RIVER AT SLIGHT RISK FOR FLOODING IS
THE SKOKOMISH RIVER SINCE PART OF THE BASIN LIES BELOW THE SNOW
LEVEL. HOWEVER...THE LATEST HYDRO MODELS DO NOT BRING THE SKOKOMISH
RIVER TO FLOOD STAGE. NO PRODUCTS WILL BE ISSUED AT THIS TIME.
CONTINUE TO MONITOR FORECASTS AND ANY FLOOD STATEMENTS. NO FLOODING
IS EXPECTED ON OTHER RIVERS INCLUDING THE GREEN.  MERCER

&&

.AVIATION...DELAYED.

&&

.MARINE...
A DEVELOPING SURFACE LOW WELL OFF THE OREGON COAST WILL DEEPEN
OVERNIGHT AND RACE NE TOWARD THE COASTAL WATERS. THIS LOW IS
EXPECTED TO DEEPEN TO NEAR 975 MB BEFORE MOVING ACROSS VANCOUVER
ISLAND EARLY FRI AFTERNOON. THE ASSOCIATED STRONG...COLD FRONT WILL
SWEEP ACROSS THE COASTAL WATERS FRI MORNING...AND THE INTERIOR IN
THE AFTERNOON. STRONG ONSHORE FLOW WILL OCCUR BEHIND THE FRONT FRI
NIGHT...BUT WILL WEAKEN ON SATURDAY.

&&

.SEW WATCHES/WARNINGS/ADVISORIES...
WA...WINTER STORM WARNING IN EFFECT FOR THE OLYMPICS FROM MIDNIGHT
     TONIGHT THROUGH MIDNIGHT FRIDAY NIGHT.

     WINTER STORM WARNING IN EFFECT FOR THE CASCADES FROM FRIDAY
     MORNING THROUGH SATURDAY MORNING.

     HIGH WIND WARNING IN EFFECT FOR THE COAST...STRAIT OF JUAN
     DE FUCA...NORTH INTERIOR FROM ADMIRALTY INLET NORTHWARD...AND
     THE SOUTHWEST INTERIOR /VICINITY OF LAKE LAWRENCE/.

     HIGH WIND WATCH IN EFFECT FOR THE REMAINDER OF THE PUGET
     SOUND REGION AND LOWER CHEHALIS VALLEY.

PZ...A STORM WARNING IS IN EFFECT FOR THE COASTAL WATERS FOR FRI.

     GALE WARNING IN EFFECT FOR THE REMAINING WATERS THRU FRI NIGHT.

     A SMALL CRAFT ADVISORY FOR ROUGH GRAYS HARBOR BAR CONDITIONS IS
     IN EFFECT THRU SATURDAY AFTERNOON.

WWW.WEATHER.GOV/SEATTLE

FOR AN ILLUSTRATED VERSION OF THE FORECAST DISCUSSION PLEASE SEE
WWW.WEATHER.GOV/SEATTLE/GAFD/LATEST_WEBAFD.HTML (ALL LOWERCASE).

The office that day

Everything else NWS Seattle, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 1, 10:26 AM PDTGale WarningSEW46 hr
Apr 1, 10:26 AM PDTSmall Craft AdvisorySEW11 hr
Apr 1, 10:26 AM PDTSmall Craft Advisory for WindsSEW11 hr
Apr 1, 10:26 AM PDTStorm WatchSEW6 hr
Apr 1, 3:34 PM PDTWinter Storm WarningSEW43 hr
Apr 1, 4:07 PM PDTStorm WarningSEW27 hr

Nearby

High Wind Warnings in Washington, 2010Every high wind warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.