Alert archive / Washington / Wind Advisories in 2006

Wind Advisory 13, NWS Seattle, WA

December 20, 2006San Juan County, Washington

NWS Seattle, WA issued this wind advisory at Dec 20, 2006, 3:48 AM PST for San Juan County, Washington. It took effect at Dec 20, 2006, 11:01 AM PST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Dec 20, 2006, 3:48 AM PST (11:48 UTC)
In effect from
Dec 20, 2006, 11:01 AM PST
Expired
Dec 21, 2006, 4:00 AM PST
In force
17 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 11:51 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 00:00Z, 11.8 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 00:00Z on 2006-12-20Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Quillayute State, WA at 00:00Z on 2006-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 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
542 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
229 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.

000 
WWUS76 KSEW 201148
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
348 AM PST WED DEC 20 2006

WAZ001-503-506-510-202000-
/O.NEW.KSEW.WI.Y.0013.061221T0300Z-061221T1200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
348 AM PST WED DEC 20 2006

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 4 AM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY FOR THE NORTHWEST INTERIOR FROM 7 PM TONIGHT UNTIL
4 AM THURSDAY.

A VIGOROUS PACIFIC STORM SYSTEM WILL BRING STRONG AND GUSTY
SOUTHERLY WINDS TO THE AREA TONIGHT. SPEEDS WILL REACH 20 TO
30 MPH WITH GUSTS AS HIGH AS 50 MPH. TREES THAT WERE DAMAGED
BY THE MAJOR WIND STORM OF LAST WEEK COULD CAUSE MORE
PROBLEMS TONIGHT. SPECIFICALLY...TREES THAT ARE STILL
DANGEROUSLY LEANING OR BRANCHES STILL DANGLING FROM TREES OR
POWER LINES COULD BE BLOWN DOWN BY THE GUSTY WINDS.

THE GUSTY WINDS COULD CAUSE LOCAL POWER OUTAGES. IF YOU PLAN
TO USE AN ALTERNATE SOURCE OF HEAT OR ELECTRICITY...USE ALL
SAFETY PRECAUTIONS TO AVOID CARBON MONOXIDE POISONING...
ELECTROCUTION...OR A FIRE. PORTABLE GENERATORS SHOULD ONLY
BE USED OUTDOORS IN A DRY AND WELL VENTILATED AREA.

$$

WEATHER.GOV/SEATTLE
4 follow-up statements
000 
WWUS76 KSEW 201901
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1101 AM PST WED DEC 20 2006

WAZ516-517-210315-
/O.NEW.KSEW.HW.W.0020.061221T0000Z-061221T0800Z/
NORTH COAST-CENTRAL COAST-
1101 AM PST WED DEC 20 2006

...HIGH WIND WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO
MIDNIGHT PST TONIGHT...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO MIDNIGHT
PST TONIGHT. 

A DEVELOPING STORM SYSTEM WELL OFF THE COAST WILL DRIVE A COLD
FRONT ACROSS WESTERN WASHINGTON TONIGHT. WINDS ALONG THE COAST
WILL INCREASE THIS EVENING IN ADVANCE OF THE FRONT...THEN BACK
DOWN QUICKLY IN THE WAKE OF THE FRONT. THE FRONT IS EXPECTED TO
CROSS THE COAST A COUPLE OF HOURS BEFORE MIDNIGHT.

SOUTHERLY WINDS OF 30 TO 40 MPH ARE EXPECTED TO DEVELOP EARLY THIS
EVENING WITH GUSTS OF 55 TO 65 MPH. THE STRONGEST WINDS WILL BE
ALONG THE IMMEDIATE COAST AND OVER ELEVATED TERRAIN.

HIGH WINDS CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME
STRUCTURES.

$$

WAZ514-515-210315-
/O.EXB.KSEW.WI.Y.0013.061221T0000Z-061221T1200Z/
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
1101 AM PST WED DEC 20 2006

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM
PST THURSDAY. 

A VIGOROUS PACIFIC STORM SYSTEM WILL BRING STRONG AND GUSTY
SOUTHERLY WINDS TO THE AREA THIS EVENING. SPEEDS WILL REACH 20 TO
30 MPH WITH GUSTS AS HIGH AS 50 MPH. THE WINDS WILL EASE UP RIGHT
AFTER THE FRONT PASSES...WHICH SHOULD BE SHORTLY BEFORE MIDNIGHT. 

WINDS OF THIS SPEED COULD CAUSE DOWNED TREE LIMBS AND LOCAL POWER
OUTAGES.

$$

WAZ001-503-506-510-210315-
/O.EXT.KSEW.WI.Y.0013.061221T0000Z-061221T1200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
1101 AM PST WED DEC 20 2006

...WIND ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM
PST THURSDAY...

THE WIND ADVISORY IS NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM PST THURSDAY. 

A VIGOROUS PACIFIC STORM SYSTEM WILL BRING STRONG AND GUSTY
SOUTHERLY WINDS TO THE AREA TONIGHT. SPEEDS WILL REACH 20 TO
30 MPH WITH GUSTS AS HIGH AS 50 MPH. THE WINDS WILL EASE UP RIGHT
AFTER THE FRONT PASSES WHICH SHOULD BE AROUND MIDNIGHT TONIGHT. 

WINDS OF THIS SPEED COULD CAUSE DOWNED TREE LIMBS AND LOCAL POWER
OUTAGES.

$$

CERNIGLIA
WWW.WEATHER.GOV/SEATTLE
000 
WWUS76 KSEW 210337
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
737 PM PST WED DEC 20 2006

WAZ516-517-210845-
/O.EXT.KSEW.HW.W.0020.000000T0000Z-061221T0900Z/
NORTH COAST-CENTRAL COAST-
737 PM PST WED DEC 20 2006

...HIGH WIND WARNING NOW IN EFFECT UNTIL 1 AM PST THURSDAY...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 1 AM PST THURSDAY
MORNING FOR THE NORTH AND CENTRAL COAST OF WASHINGTON.

WINDS WILL CONTINUE TO INCREASE THIS EVENING AHEAD OF A STRONG
COLD FRONT JUST OFFSHORE. EXPECT SOUTH WINDS OF 30 TO 40 MPH WITH
GUSTS TO 65 MPH. THE STRONGEST WINDS WILL BE ALONG THE IMMEDIATE
COAST AND OVER ELEVATED TERRAIN. ONCE THE FRONT PASSES AROUND
MIDNIGHT...WINDS SHOULD RAPIDLY SUBSIDE.

HIGH WINDS CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME
STRUCTURES.

$$

WAZ505-210845-
/O.EXA.KSEW.WI.Y.0013.000000T0000Z-061221T1200Z/
EAST PUGET SOUND LOWLANDS-
737 PM PST WED DEC 20 2006

...WIND ADVISORY IN EFFECT UNTIL 4 AM PST THURSDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM PST THURSDAY. 

EAST TO SOUTHEAST WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS
TO 50 MPH THIS EVENING. THE STRONGEST WINDS ARE EXPECTED CLOSEST
TO THE FOOTHILLS. WINDS WILL SUBSIDE RAPIDLY BEHIND THE COLD FRONT
EARLY THURSDAY MORNING.

WINDS OF THIS SPEED COULD CAUSE DOWNED TREE LIMBS AND LOCAL POWER
OUTAGES.

$$

WAZ001-503-506-510-514-515-210845-
/O.CON.KSEW.WI.Y.0013.000000T0000Z-061221T1200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-
737 PM PST WED DEC 20 2006

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

WINDS WILL CONTINUE TO INCREASE THIS EVENING AHEAD OF A VIGOROUS
FRONT STILL OFFSHORE. SUSTAINED WINDS WILL REACH 30 TO 35 MPH WITH
GUSTS AS HIGH AS 55 MPH. THE WINDS WILL SLOWLY SUBSIDE AFTER THE
FRONT PASSES EARLY THURSDAY MORNING.

WINDS OF THIS SPEED COULD CAUSE DOWNED TREE LIMBS AND LOCAL POWER
OUTAGES.

$$
000 
WWUS76 KSEW 210841
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1241 AM PST THU DEC 21 2006

WAZ516-517-210945-
/O.CAN.KSEW.HW.W.0020.000000T0000Z-061221T0900Z/
NORTH COAST-CENTRAL COAST-
1241 AM PST THU DEC 21 2006

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE HIGH
WIND WARNING FOR THE COAST. WINDS SPEEDS WILL MAINLY BE IN THE
20 TO 30 MPH RANGE WITH GUSTS NEAR 50 MPH...WHICH IS BELOW
HIGH WIND CRITERIA.

$$

WAZ001-503-505-506-510-514-515-211200-
/O.CON.KSEW.WI.Y.0013.000000T0000Z-061221T1200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-EAST PUGET SOUND LOWLANDS-
WESTERN SKAGIT COUNTY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
1241 AM PST THU DEC 21 2006

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST EARLY THIS
MORNING...

A WIND ADVISORY REMAINS IN EFFECT FOR THE NORTHWEST INTERIOR
UNTIL 4 AM THIS MORNING.

SOUTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS NEAR
50 MPH BEFORE SUBSIDING BY DAYBREAK. WINDS THIS STRONG CAN SNAP
SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW-ROOTED TREES...
AND CAUSE LOCAL POWER OUTAGES.

IF YOU PLAN TO USE AN ALTERNATE SOURCE OF HEAT OR ELECTRICITY...
OBSERVE ALL SAFETY PRECAUTIONS TO AVOID CARBON MONOXIDE
POISONING...ELECTROCUTION...OR A FIRE. PORTABLE GENERATORS
SHOULD ONLY BE USED OUTDOORS IN A DRY AND WELL VENTILATED AREA.

$$

WEATHER.GOV/SEATTLE
000 
WWUS76 KSEW 211206
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
406 AM PST THU DEC 21 2006

WAZ001-503-505-506-510-514-515-211315-
/O.EXP.KSEW.WI.Y.0013.000000T0000Z-061221T1200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-EAST PUGET SOUND LOWLANDS-
WESTERN SKAGIT COUNTY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
406 AM PST THU DEC 21 2006

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY FOR PARTS OF WESTERN WASHINGTON IS NO LONGER IN
EFFECT. WINDS OVERNIGHT WERE GENERALLY IN THE 20 TO 30 MPH WITH
GUSTS NEAR 40 MPH.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 2:48 AM PSTHigh Surf AdvisorySEW24 hr
Dec 20, 11:01 AM PSTHigh Wind WarningSEW14 hr

Nearby

Wind Advisories in Washington, 2006Every wind advisory in 2006

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.