Alert archive / Washington / Wind Advisories in 2012

Wind Advisory 5, NWS Seattle, WA

January 20, 2012San Juan County, Washington

NWS Seattle, WA issued this wind advisory at Jan 20, 2012, 3:03 PM PST for San Juan County, Washington. It took effect at Jan 20, 2012, 4:00 PM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jan 20, 2012, 3:03 PM PST (23:03 UTC)
In effect from
Jan 20, 2012, 4:00 PM PST
Expired
Jan 21, 2012, 10:00 AM PST
In force
18 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 2012-01-20Temperature 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 12:00Z on 2012-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.1939587897Sfc1 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
426 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
283 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.

471 
WWUS76 KSEW 202303
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
303 PM PST FRI JAN 20 2012

...A WIND ADVISORY IS IN EFFECT FOR MOST OF WESTERN WASHINGTON. A
STRONG FRONTAL SYSTEM WILL MOVE THROUGH THE REGION THIS
EVENING...WITH A STRONG TROUGH OF LOW PRESSURE REACHING WESTERN
WASHINGTON AROUND DAYBREAK SATURDAY...

WAZ001-510-516-517-210715-
/O.NEW.KSEW.WI.Y.0005.120121T0000Z-120121T1800Z/
SAN JUAN COUNTY-ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST-
303 PM PST FRI JAN 20 2012

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST SATURDAY. 

* SOME AFFECTED LOCATIONS...THE SAN JUANS AND WHIDBEY ISLAND AND
  THE COAST.

* TIMING...SOUTHEAST WINDS WILL INCREASE AHEAD OF THE FRONT THIS
  EVENING. THE WIND WILL SHIFT TO SOUTHWESTERLY BEHIND THE FRONT.
 

* WIND...SOUTHEAST 20 TO 30 MPH WITH GUSTS TO 45 MPH SHIFTING TO
  SOUTHWEST LATER TONIGHT.

* IMPACTS...GUSTY WINDS MAY SNAP TREE BRANCHES AND CAUSE LOCAL
  POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.

&&

$$

WAZ503>509-511-512-210715-
/O.NEW.KSEW.WI.Y.0005.120121T0800Z-120121T1800Z/
WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
EAST PUGET SOUND LOWLANDS-WESTERN SKAGIT COUNTY-
EVERETT AND VICINITY-SEATTLE/BREMERTON AREA-TACOMA AREA-
HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA-
303 PM PST FRI JAN 20 2012

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM PST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM PST
SATURDAY. 

* SOME AFFECTED LOCATIONS...EVERETT...SEATTLE...TACOMA...OLYMPIA.

* TIMING...SOUTHEAST WINDS WILL INCREASE AHEAD OF THE FRONT THIS
  EVENING. THE WIND WILL SHIFT TO SOUTHWESTERLY BEHIND THE FRONT.
 

* WIND...SOUTHERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH WILL
  DEVELOP AFTER MIDNIGHT TONIGHT AND CONTINUE SATURDAY MORNING.

* IMPACTS...GUSTY WINDS MAY SNAP TREE BRANCHES AND CAUSE LOCAL
  POWER OUTAGES. AREAS WITH TREE AND LIMB DAMAGE CAUSED BY THE ICE
  STORM MAY SEE NUMEROUS ADDITIONAL FALLING LIMBS. BEWARE SNAGS
  WHICH ARE LIKELY TO FALL WHEN THE WIND INCREASES OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.

&&

$$
3 follow-up statements
820 
WWUS76 KSEW 210455
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
855 PM PST FRI JAN 20 2012

.A WIND ADVISORY IS IN EFFECT FOR MOST OF WESTERN WASHINGTON. A
STRONG FRONTAL SYSTEM WILL MOVE THROUGH THE REGION THIS EVENING...
WITH A STRONG TROUGH OF LOW PRESSURE WILL MOVE ACROSS THE AREA
AFTER MIDNIGHT WITH SOUTH WINDS INCREASING BEHIND THE TROUGH.

WAZ001-510-516-517-211300-
/O.CON.KSEW.WI.Y.0005.000000T0000Z-120121T1800Z/
SAN JUAN COUNTY-ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST-
855 PM PST FRI JAN 20 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY...

* SOME AFFECTED LOCATIONS...THE SAN JUANS AND WHIDBEY ISLAND AND 
  THE COAST. 

* TIMING...SOUTHEAST WINDS THIS EVENING WILL SHIFT TO THE SOUTH
  AND SOUTHWEST LATE TONIGHT.

* WIND...SOUTHEAST 20 TO 30 MPH WITH GUSTS TO 45 MPH SHIFTING TO 
  SOUTHWEST LATER TONIGHT. 

* IMPACTS...GUSTY WINDS MAY SNAP TREE BRANCHES AND CAUSE LOCAL 
  POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.

&&

$$

WAZ503>509-511-512-211300-
/O.CON.KSEW.WI.Y.0005.120121T0800Z-120121T1800Z/
WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
EAST PUGET SOUND LOWLANDS-WESTERN SKAGIT COUNTY-
EVERETT AND VICINITY-SEATTLE/BREMERTON AREA-TACOMA AREA-
HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA-
855 PM PST FRI JAN 20 2012

...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
PST SATURDAY...

* SOME AFFECTED LOCATIONS...EVERETT...SEATTLE...TACOMA...OLYMPIA.

* TIMING...SOUTH WINDS WILL INCREASE LATE TONIGHT AS A STRONG
  TROUGH OF LOW PRESSURE MOVES ACROSS THE AREA.

* WIND...SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH.

* IMPACTS...GUSTY WINDS MAY SNAP TREE BRANCHES AND CAUSE LOCAL 
  POWER OUTAGES. AREAS WITH TREE AND LIMB DAMAGE CAUSED BY THE 
  ICE STORM MAY SEE NUMEROUS ADDITIONAL FALLING LIMBS. BEWARE 
  SNAGS WHICH ARE LIKELY TO FALL WHEN THE WIND INCREASES 
  OVERNIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.

&&

$$

ALBRECHT
WEATHER.GOV/SEATTLE
188 
WWUS76 KSEW 211149
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
349 AM PST SAT JAN 21 2012

.WINDY CONDITIONS WILL EASE LATER TODAY AS A FRONT PUSHES INLAND.
A SECOND FRONTAL SYSTEM COULD BRING DAMAGING WINDS TO THE COAST
AND NORTHWEST INTERIOR SUNDAY.

WAZ001-510-516-517-220000-
/O.NEW.KSEW.HW.A.0001.120122T1800Z-120123T0600Z/
/O.CON.KSEW.WI.Y.0005.000000T0000Z-120121T1800Z/
SAN JUAN COUNTY-ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST-
349 AM PST SAT JAN 21 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...
...HIGH WIND WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING. 

* SOME AFFECTED LOCATIONS...THE SAN JUAN ISLAND...WHIDBEY
  ISLAND...AND THE NORTH AND CENTRAL COAST.

* WIND...SOUTHERLY 20 TO 35 MPH WITH GUSTS TO 45 MPH THIS MORNING.
  LOCAL SOUTHERLY WINDS 25 TO 40 MPH WITH GUSTS TO 60 MPH POSSIBLE
  LATE SUNDAY MORNING THROUGH SUNDAY EVENING.

* IMPACTS...GUSTY WINDS CAN SNAP TREE BRANCHES AND CAUSE POWER
  OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING
WIND EVENT.

&&

$$

WAZ503-506-220000-
/O.NEW.KSEW.HW.A.0001.120122T1800Z-120123T0600Z/
/O.CON.KSEW.WI.Y.0005.000000T0000Z-120121T1800Z/
WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
349 AM PST SAT JAN 21 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...
...HIGH WIND WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING. 

* SOME AFFECTED LOCATIONS...BELLINGHAM AND SANDY POINT.

* WIND...SOUTHERLY 20 TO 35 MPH WITH GUSTS TO 45 MPH THIS MORNING. LOCAL
  SOUTHERLY WINDS 25 TO 40 MPH WITH GUSTS TO 60 MPH POSSIBLE LATE
  SUNDAY MORNING THROUGH SUNDAY EVENING.

* IMPACTS...GUSTY WINDS CAN SNAP TREE BRANCHES AND CAUSE POWER
  OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING
WIND EVENT.

&&

$$

WAZ504-505-507>509-511-512-211800-
/O.CON.KSEW.WI.Y.0005.000000T0000Z-120121T1800Z/
SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
LOWER CHEHALIS VALLEY AREA-
349 AM PST SAT JAN 21 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

* SOME AFFECTED LOCATIONS...EVERETT...SEATTLE...TACOMA...OLYMPIA.

* WIND...SOUTH 20 TO 30 MPH WITH GUSTS TO 45 MPH.

* IMPACTS...GUSTY WINDS MAY SNAP TREE BRANCHES AND CAUSE LOCAL 
  POWER OUTAGES. AREAS WITH TREE AND LIMB DAMAGE CAUSED BY THE 
  ICE STORM MAY SEE NUMEROUS ADDITIONAL FALLING LIMBS. BEWARE 
  SNAGS WHICH ARE LIKELY TO FALL WHEN THE WIND INCREASES 
  OVERNIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.

&&

$$
577 
WWUS76 KSEW 211325
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
525 AM PST SAT JAN 21 2012

.WINDY CONDITIONS WILL EASE LATER TODAY AS A FRONT PUSHES INLAND.
A SECOND FRONTAL SYSTEM COULD BRING DAMAGING WINDS TO THE COAST
AND NORTHWEST INTERIOR SUNDAY.

WAZ516-517-220000-
/O.CAN.KSEW.WI.Y.0005.000000T0000Z-120121T1800Z/
/O.CON.KSEW.HW.A.0001.120122T1800Z-120123T0600Z/
NORTH COAST-CENTRAL COAST-
525 AM PST SAT JAN 21 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...
...WIND ADVISORY IS CANCELLED...

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

* SOME AFFECTED LOCATIONS...NORTH AND CENTRAL COAST.

* WIND...WINDS HAVE EASED THIS MORNING. LOCAL SOUTHERLY WINDS 25
  TO 40 MPH WITH GUSTS TO 60 MPH ARE POSSIBLE LATE SUNDAY MORNING
  THROUGH SUNDAY EVENING.

* IMPACTS...GUSTY WINDS CAN SNAP TREE BRANCHES AND CAUSE POWER 
  OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING
WIND EVENT.

&&

$$

WAZ001-503-506-510-220000-
/O.CON.KSEW.WI.Y.0005.000000T0000Z-120121T1800Z/
/O.CON.KSEW.HW.A.0001.120122T1800Z-120123T0600Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
525 AM PST SAT JAN 21 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

* SOME AFFECTED LOCATIONS...THE SAN JUAN ISLANDS...WHIDBEY ISLAND. 

* WIND...SOUTHWESTERLY 20 TO 35 MPH WITH GUSTS TO 45 MPH THIS
  MORNING. LOCAL SOUTHERLY WINDS 25 TO 40 MPH WITH GUSTS TO 60 MPH
  POSSIBLE LATE SUNDAY MORNING THROUGH SUNDAY EVENING.

* IMPACTS...GUSTY WINDS CAN SNAP TREE BRANCHES AND CAUSE POWER 
  OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING
WIND EVENT.

&&

$$

WAZ504-505-507>509-511-512-211800-
/O.CON.KSEW.WI.Y.0005.000000T0000Z-120121T1800Z/
SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
LOWER CHEHALIS VALLEY AREA-
525 AM PST SAT JAN 21 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

* SOME AFFECTED LOCATIONS...EVERETT...SEATTLE...TACOMA...OLYMPIA.

* WIND...SOUTH 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* IMPACTS...GUSTY WINDS MAY SNAP TREE BRANCHES AND CAUSE LOCAL 
  POWER OUTAGES. AREAS WITH TREE AND LIMB DAMAGE CAUSED BY THE 
  ICE STORM MAY SEE NUMEROUS ADDITIONAL FALLING LIMBS. BEWARE 
  SNAGS WHICH ARE LIKELY TO FALL WHEN THE WIND INCREASES 
  OVERNIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 19, 8:55 PM PSTGale WarningSEW43 hr
Jan 20, 3:53 AM PSTSmall Craft AdvisorySEW23 hr
Jan 20, 2:51 PM PSTWinter Storm WarningSEW19 hr
Jan 20, 3:05 PM PSTHigh Surf AdvisorySEW65 hr
Jan 20, 3:50 PM PSTAreal Flood AdvisorySEWClallam, Grays Harbor, Island, Jefferson, King, Kitsap and 8 more285 days

Nearby

Wind Advisories in Washington, 2012Every wind advisory in 2012

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.