Alert archive / Washington / High Wind Watches in 2012

High Wind Watch 2, NWS Seattle, WA

January 23, 2012San Juan County, Washington

NWS Seattle, WA issued this high wind watch at Jan 23, 2012, 3:00 PM PST for San Juan County, Washington. It took effect at Jan 24, 2012, 4:00 AM PST. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jan 23, 2012, 3:00 PM PST (23:00 UTC)
In effect from
Jan 24, 2012, 4:00 AM PST
Expired
Jan 24, 2012, 4:27 AM PST
In force
27 min
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 22:58 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, 11.0 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 2012-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 96 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.193958Sfc1 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
96 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
578 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

481 
WWUS76 KSEW 232300
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
300 PM PST MON JAN 23 2012

...STRONG WINDS ARE POSSIBLE ACROSS PORTIONS OF WESTERN WASHINGTON
TUESDAY AND TUESDAY EVENING...

.A DEEP STORM SYSTEM HEADED TOWARD THE HAIDA GWAII ISLAND TONIGHT
WILL FORCE A STRONG WARM FRONT ACROSS WESTERN WASHINGTON BY MID
DAY TUESDAY THEN THE ASSOCIATED COLD FRONT WILL PASS THROUGH
LATER IN THE DAY. STRONG WINDS ARE EXPECTED TO DEVELOP IO ADVANCE
OF THE WARM FRONT ALONG THE COAST AND ACROSS PORTIONS OF THE
NORTHWEST INTERIOR FROM ADMIRALTY INLET NORTHWARD. STRONG ONSHORE
FLOW IN THE WAKE OF THE COLD FRONT IS EXPECTED TO GENERATE WINDY
CONDITIONS ACROSS ALL OF WESTERN WASHINGTON BY TUESDAY
EVENING...HOWEVER THE STRONGEST WINDS EXPECTED TO REMAIN IN THE
WATCH AREA.

WAZ001-503-506-510-516-517-241215-
/O.NEW.KSEW.HW.A.0002.120124T1200Z-120125T0900Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST-
300 PM PST MON JAN 23 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE
TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY
NIGHT. 

* SOME AFFECTED LOCATIONS...THE CENTRAL AND NORTHERN WASHINGTON
  COAST AND THE NORTHWEST INTERIOR FROM ADMIRALTY INLET NORTHWARD. 

* TIMING...WINDS WILL INCREASE LATE TONIGHT ALONG THE COAST AND
  SHORTLY BEFORE DAWN OVER NORTHWEST WASHINGTON THEN EASE LATE
  TUESDAY EVENING.

* WIND...POTENTIALLY 30 TO 40 MPH WITH GUSTS NEAR 60 MPH.

* IMPACTS...DAMAGE TO TREES AND POWER LINES...POTENTIALLY ENHANCED
  DUE TO LINGERING LIMB AND TREE DAMAGE FROM LAST WEEKS WINTER
  WEATHER. SATURATED SOILS WILL ALLOW TREES TO TOPPLE MORE
  EASILY. MORE POWER OUTAGES. POSSIBLE INJURIES FROM FALLING TREES
  AND TREE LIMBS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING WIND
EVENT. AREAS OF SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER COULD OCCUR.

&&

$$

CERNIGLIA
1 follow-up statement
447 
WWUS76 KSEW 241227
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
427 AM PST TUE JAN 24 2012

...WINDY CONDITIONS ARE EXPECTED ACROSS PORTIONS OF WESTERN
WASHINGTON TODAY AND TONIGHT...

.A VIGOROUS FRONTAL SYSTEM WILL BRING WINDY CONDITIONS TO THE
WASHINGTON COAST...NORTHWEST INTERIOR...AND MUCH OF THE PUGET
SOUND REGION TODAY AND TONIGHT.

WAZ001-503-506-510-516-517-242030-
/O.UPG.KSEW.HW.A.0002.000000T0000Z-120125T0900Z/
/O.NEW.KSEW.WI.Y.0007.120124T1227Z-120125T1100Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST-
427 AM PST TUE JAN 24 2012

...WIND ADVISORY IN EFFECT UNTIL 3 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PST WEDNESDAY. THE HIGH
WIND WATCH IS NO LONGER IN EFFECT. 

* SOME AFFECTED LOCATIONS...THE CENTRAL AND NORTHERN WASHINGTON
  COAST AND THE NORTHWEST INTERIOR WILL HAVE THE STRONGEST WINDS.

* TIMING...WINDS WILL INCREASE THIS MORNING...AND THE PERIOD OF
  STRONGEST WINDS WILL PROBABLY OCCUR LATE THIS MORNING THROUGH
  THIS EVENING.

* WIND....SOUTHEAST WINDS 20 TO 35 MPH WITH GUSTS 45 TO 55 MPH.

* IMPACTS...LOCAL DAMAGE TO TREES AND POWER LINES...WITH SMALL
  TREES POSSIBLY BEING TOPPLED DUE TO SATURATED SOILS OR RECENT
  ICE DAMAGE. LOCAL POWER OUTAGES ARE POSSIBLE. FALLING TREES AND
  TREE LIMBS COULD CAUSE INJURY.

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.

&&

$$

WAZ507>509-511-242030-
/O.NEW.KSEW.WI.Y.0007.120124T1227Z-120125T1100Z/
EVERETT AND VICINITY-SEATTLE/BREMERTON AREA-TACOMA AREA-
HOOD CANAL AREA-
427 AM PST TUE JAN 24 2012

...WIND ADVISORY IN EFFECT UNTIL 3 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PST WEDNESDAY. 

* SOME AFFECTED LOCATIONS...THE SEATTLE...TACOMA...AND EVERETT
  AREAS AS WELL AS THE HOOD CANAL REGION.

* TIMING...WINDS WILL INCREASE TODAY...AND THE PERIOD OF STRONGEST
  WINDS WILL PROBABLY OCCUR THIS AFTERNOON THROUGH THIS EVENING.

* WIND...SOUTH WINDS 15 TO 30 MPH WITH GUSTS 45 MPH.

* IMPACTS...LOCAL DAMAGE TO TREES AND POWER LINES...WITH SMALL
  TREES POSSIBLY BEING TOPPLED DUE TO SATURATED SOILS OR RECENT
  ICE DAMAGE. LOCAL POWER OUTAGES ARE POSSIBLE. FALLING TREES AND
  TREE LIMBS COULD CAUSE INJURY.

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 22, 7:43 PM PSTSmall Craft AdvisorySEW31 hr
Jan 23, 12:24 AM PSTSmall Craft Advisory for WindsSEW3 hr
Jan 23, 3:00 AM PSTGale WatchSEW12 hr
Jan 23, 3:00 AM PSTSmall Craft Advisory for Hazardous SeasSEW12 hr
Jan 23, 2:01 PM PSTWinter Storm WatchSEW15 hr
Jan 23, 3:14 PM PSTFlood WatchSEWGrays Harbor, Lewis, Mason, Pierce, Thurston39 hr
Jan 23, 3:19 PM PSTGale WatchSEW18 hr
Jan 23, 3:19 PM PSTGale WarningSEW42 hr

Nearby

High Wind Watches in Washington, 2012Every high wind watch 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.