Alert archive / Washington / Wind Advisories in 2012

Wind Advisory 4, NWS Seattle, WA

January 17, 2012San Juan County, Washington

NWS Seattle, WA issued this wind advisory at Jan 17, 2012, 3:39 PM PST for San Juan County, Washington. It took effect at Jan 18, 2012, 12:00 AM PST. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued: Jan 17, 2012, 3:39 PM PST (23:39 UTC)
In effect from: Jan 18, 2012, 12:00 AM PST
Expired: Jan 19, 2012, 4:00 AM PST
In force: 28 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 23:42 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, 11.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 729 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 146 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.

676 
WWUS76 KSEW 172339
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
339 PM PST TUE JAN 17 2012

.STRONG FRASER OUTFLOW WILL BRING VERY WINDY CONDITIONS TO WESTERN
WHATCOM COUNTY AND THE SAN JUAN ISLANDS FROM TONIGHT THROUGH
WEDNESDAY. 

WAZ001-503-181300-
/O.NEW.KSEW.WI.Y.0004.120118T0800Z-120119T0200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-
339 PM PST TUE JAN 17 2012

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PST
WEDNESDAY. 

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...EASTSOUND AND
  FRIDAY HARBOR.

* TIMING...FROM LATE TONIGHT THROUGH WEDNESDAY.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 55 MPH ARE
  EXPECTED.

* WIND CHILL...WHEN COMBINED WITH AIR TEMPERATURES NEAR 20
  DEGREES...WIND OF THIS STRENGTH WILL CAUSE WIND CHILLS NEAR ZERO
  DEGREES FAHRENHEIT.

* IMPACTS...WIND OF THIS STRENGTH CAN SNAP TREE LIMBS AND CAUSE
  SPOTTY POWER OUTAGES. IN ADDITION...WIND WILL BLOW ANY SNOW THAT
  OCCURS...CAUSING REDUCED VISIBILITIES. 

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.

&&

$$

5 follow-up statements

397 
WWUS76 KSEW 181336
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
536 AM PST WED JAN 18 2012

.STRONG FRASER OUTFLOW WILL BRING VERY WINDY CONDITIONS TO
WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS TODAY.

WAZ001-503-190000-
/O.CON.KSEW.WI.Y.0004.000000T0000Z-120119T0200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-
536 AM PST WED JAN 18 2012

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

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...EASTSOUND AND 
  FRIDAY HARBOR. 

* TIMING...TODAY.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH ARE
  EXPECTED TO DEVELOP LATER THIS MORNING AND CONTINUE INTO THE
  AFTERNOON HOURS.

* WIND CHILL...WHEN COMBINED WITH AIR TEMPERATURES NEAR 20 
  DEGREES...WIND OF THIS STRENGTH WILL CAUSE WIND CHILLS NEAR 
  ZERO DEGREES FAHRENHEIT. 

* IMPACTS...WIND OF THIS STRENGTH CAN SNAP TREE LIMBS AND CAUSE 
  SPOTTY POWER OUTAGES. IN ADDITION...WIND WILL BLOW ANY SNOW 
  THAT OCCURS...CAUSING REDUCED VISIBILITIES. 

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.

&&

$$

794 
WWUS76 KSEW 182008
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1208 PM PST WED JAN 18 2012

.STRONG FRASER OUTFLOW WILL BRING VERY WINDY CONDITIONS TO
WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS TODAY.

WAZ503-190000-
/O.UPG.KSEW.WI.Y.0004.000000T0000Z-120119T0200Z/
/O.NEW.KSEW.HW.W.0001.120118T2008Z-120119T0000Z/
WESTERN WHATCOM COUNTY-
1208 PM PST WED JAN 18 2012

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. THE
WIND ADVISORY IS NO LONGER IN EFFECT. 

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

* TIMING...THIS AFTERNOON...EXPECTED TO EASE AFTER 2 PM.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH
  EXCEPT LOCALLY 40 TO 50 MPH WITH GUSTS TO 60 MPH.

* WIND CHILL...WHEN COMBINED WITH AIR TEMPERATURES IN THE TEENS
  WIND OF THIS STRENGTH WILL CAUSE WIND CHILLS BELOW ZERO DEGREES
  FAHRENHEIT.

* IMPACTS...WIND OF THIS STRENGTH CAN SNAP TREE LIMBS AND CAUSE
  SPOTTY POWER OUTAGES. IN ADDITION...WIND WILL CAUSE BLOWING AND
  DRIFTING OF THE SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT
OR OCCURRING.

&&

$$

WAZ001-190100-
/O.CON.KSEW.WI.Y.0004.000000T0000Z-120119T0200Z/
SAN JUAN COUNTY-
1208 PM PST WED JAN 18 2012

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

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...EASTSOUND AND 
  FRIDAY HARBOR. 

* TIMING...THIS AFTERNOON...EXPECTED TO EASE AFTER 2 PM.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH.

* WIND CHILL...WHEN COMBINED WITH AIR TEMPERATURES NEAR 20 
  DEGREES...WIND OF THIS STRENGTH WILL CAUSE WIND CHILLS NEAR 
  ZERO DEGREES FAHRENHEIT. 

* IMPACTS...WIND OF THIS STRENGTH CAN SNAP TREE LIMBS AND CAUSE 
  SPOTTY POWER OUTAGES. IN ADDITION...WIND WILL BLOW ANY SNOW 
  THAT OCCURS...CAUSING REDUCED VISIBILITIES. 

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.

&&

$$

852 
WWUS76 KSEW 182016 CCA
NPWSEW

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE SEATTLE WA
1215 PM PST WED JAN 18 2012

.STRONG FRASER OUTFLOW WILL BRING VERY WINDY CONDITIONS TO
WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS TODAY.

WAZ503-190000-
/O.UPG.KSEW.WI.Y.0004.000000T0000Z-120119T0200Z/
/O.COR.KSEW.HW.W.0001.120118T2015Z-120119T0000Z/
WESTERN WHATCOM COUNTY-
1215 PM PST WED JAN 18 2012

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. THE
WIND ADVISORY IS NO LONGER IN EFFECT. 

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

* TIMING...THIS AFTERNOON...EXPECTED TO EASE AFTER 2 PM.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH
  EXCEPT LOCALLY 40 TO 50 MPH WITH GUSTS TO 60 MPH.

* WIND CHILL...WHEN COMBINED WITH AIR TEMPERATURES IN THE TEENS
  WIND OF THIS STRENGTH WILL CAUSE WIND CHILLS BELOW ZERO DEGREES
  FAHRENHEIT.

* IMPACTS...WIND OF THIS STRENGTH CAN SNAP TREE LIMBS AND CAUSE
  SPOTTY POWER OUTAGES. IN ADDITION...WIND WILL CAUSE BLOWING AND
  DRIFTING OF THE SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT
OR OCCURRING.

&&

$$

WAZ001-190115-
/O.COR.KSEW.WI.Y.0004.000000T0000Z-120119T0200Z/
SAN JUAN COUNTY-
1215 PM PST WED JAN 18 2012

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

* SOME AFFECTED LOCATIONS...EASTSOUND AND FRIDAY HARBOR.

* TIMING...THIS AFTERNOON...EXPECTED TO EASE AFTER 2 PM.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH.

* WIND CHILL...WHEN COMBINED WITH AIR TEMPERATURES NEAR 20 
  DEGREES...WIND OF THIS STRENGTH WILL CAUSE WIND CHILLS NEAR 
  ZERO DEGREES FAHRENHEIT. 

* IMPACTS...WIND OF THIS STRENGTH CAN SNAP TREE LIMBS AND CAUSE 
  SPOTTY POWER OUTAGES. IN ADDITION...WIND WILL BLOW ANY SNOW 
  THAT OCCURS...CAUSING REDUCED VISIBILITIES. 

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.

&&

$$

686 
WWUS76 KSEW 182328
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
328 PM PST WED JAN 18 2012

.WINDS PEAKED EARLIER TODAY AND EASED A BIT ACROSS PORTIONS OF
WHATCOM COUNTY. HOWEVER THE STRONG FRASER OUTFLOW WILL MAINTAIN
WINDY CONDITIONS ACROSS WESTERN WHATCOM COUNTY AND THE SAN JUAN
ISLANDS THROUGH MOST OF TONIGHT.

WAZ503-190830-
/O.CAN.KSEW.HW.W.0001.000000T0000Z-120119T0000Z/
/O.EXB.KSEW.WI.Y.0004.000000T0000Z-120119T1200Z/
WESTERN WHATCOM COUNTY-
328 PM PST WED JAN 18 2012

...WIND ADVISORY IN EFFECT UNTIL 4 AM PST THURSDAY...
...HIGH WIND WARNING IS CANCELLED...

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

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

* TIMING...THIS EVENING THROUGH TONIGHT. 

* WIND...NORTHEAST WINDS UP TO 20 TO 35 MPH WITH GUSTS 45 TO 55
  MPH...EASING VERY GRADUALLY LATER TONIGHT.

* WIND CHILL...WHEN COMBINED WITH AIR TEMPERATURES IN THE
  TEENS...WIND OF THIS STRENGTH WILL CAUSE WIND CHILLS OF 5 ABOVE
  TO 10 BELOW ZERO FAHRENHEIT.

* IMPACTS...WIND OF THIS STRENGTH CAN SNAP TREE LIMBS AND CAUSE
  SPOTTY POWER OUTAGES. IN ADDITION...WIND THIS STRONG CAN CAUSE
  BLOWING AND DRIFTING OF THE SNOW ON THE GROUND...RESULTING IN
  REDUCED VISIBILITIES.

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.

&&

$$

WAZ001-190830-
/O.EXT.KSEW.WI.Y.0004.000000T0000Z-120119T1200Z/
SAN JUAN COUNTY-
328 PM PST WED JAN 18 2012

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

* SOME AFFECTED LOCATIONS...EASTSOUND AND FRIDAY HARBOR.

* TIMING...THIS EVENING INTO TONIGHT. 

* WIND...NORTHEAST WINDS UP TO 20 TO 35 MPH WITH GUSTS TO 50
  MPH...EASING VERY GRADUALLY LATER TONIGHT. 

* WIND CHILL...WHEN COMBINED WITH AIR TEMPERATURES NEAR 20 
  DEGREES...WIND OF THIS STRENGTH WILL CAUSE WIND CHILLS NEAR 
  ZERO DEGREES FAHRENHEIT. 

* IMPACTS...WIND OF THIS STRENGTH CAN SNAP TREE LIMBS AND CAUSE
  SPOTTY POWER OUTAGES. IN ADDITION...WIND THIS STRONG CAN CAUSE
  BLOWING AND DRIFTING OF THE SNOW ON THE GROUND...RESULTING IN
  REDUCED VISIBILITIES.

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.

&&

$$

CERNIGLIA

108 
WWUS76 KSEW 190758
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1158 PM PST WED JAN 18 2012

.WINDS PEAKED EARLIER TODAY AND EASED A BIT ACROSS PORTIONS OF
WHATCOM COUNTY. HOWEVER THE STRONG FRASER OUTFLOW WILL MAINTAIN
WINDY CONDITIONS ACROSS WESTERN WHATCOM COUNTY AND THE SAN JUAN
ISLANDS THROUGH MOST OF TONIGHT.

WAZ001-503-191200-
/O.CON.KSEW.WI.Y.0004.000000T0000Z-120119T1200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-
1158 PM PST WED JAN 18 2012

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

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

* TIMING...THIS EVENING THROUGH TONIGHT.

* WIND...NORTHEAST WINDS 20 TO 35 MPH WITH GUSTS TO 45 MPH. WINDS
  WILL CONTINUE TO GRADUALLY EASE TONIGHT.

* WIND CHILL...WHEN COMBINED WITH AIR TEMPERATURES IN THE 
  TEENS...WIND OF THIS STRENGTH WILL CAUSE WIND CHILLS OF 5 
  ABOVE TO 10 BELOW ZERO FAHRENHEIT. 

* IMPACTS...WIND OF THIS STRENGTH CAN SNAP TREE LIMBS AND CAUSE 
  SPOTTY POWER OUTAGES. IN ADDITION...WIND THIS STRONG CAN CAUSE 
  BLOWING AND DRIFTING OF THE SNOW ON THE GROUND...RESULTING IN 
  REDUCED VISIBILITIES. 

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.

Issued	Product	Office	Counties	Lasted
Jan 16, 9:56 PM PST	Gale Watch	SEW		5 hr
Jan 17, 3:16 AM PST	Gale Warning	SEW		49 hr
Jan 17, 3:16 AM PST	Small Craft Advisory	SEW		13 hr
Jan 17, 5:00 AM PST	Winter Storm Warning	SEW		34 hr
Jan 17, 2:12 PM PST	Heavy Freezing Spray Advisory	SEW		28 hr
Jan 17, 3:35 PM PST	Winter Weather Advisory	SEW	San Juan	24 hr
Jan 17, 3:51 PM PST	Small Craft Advisory for Winds	SEW		6 hr

Nearby

Wind Advisories in Washington, 2012 Every 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.