Alert archive / Washington / Wind Advisories in 2016

Wind Advisory 6, NWS Seattle, WA

March 9, 2016San Juan County, Washington

NWS Seattle, WA issued this wind advisory at Mar 9, 2016, 3:56 AM PST for San Juan County, Washington. It took effect at Mar 9, 2016, 3:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 9, 2016, 3:56 AM PST (11:56 UTC)
In effect from
Mar 9, 2016, 3:00 PM PST
Expired
Mar 9, 2016, 2:27 PM PST
In force
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 11:58 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 00:00Z, 11.9 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 2016-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLEL10008507005003002001001 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 2016-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
4 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

005 
WWUS76 KSEW 091156
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
356 AM PST WED MAR 9 2016

WAZ516-517-100030-
/O.CON.KSEW.HW.W.0003.160309T2300Z-160310T1700Z/
NORTH COAST-CENTRAL COAST-
356 AM PST WED MAR 9 2016

...HIGH WIND WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 AM PST THURSDAY...

* TIMING...WIND SPEEDS ARE EXPECTED TO INCREASE LATE THIS
  AFTERNOON. POTENTIALLY DAMAGING WINDS CAN BE EXPECTED TONIGHT
  INTO EARLY THURSDAY MORNING. WINDS WILL SLOWLY DIMINISH ON
  THURSDAY.

* WINDS...SOUTHEAST WIND RISING TO 30 TO 45 MPH BECOMING SOUTH TO
  SOUTHWEST TONIGHT AND SOUTHWEST THURSDAY MORNING. GUSTS TO 65
  MPH TONIGHT AND EARLY THURSDAY MORNING.

* IMPACTS...FALLEN TREE LIMBS AND DOWNED POWER LINES MAY RESULT IN
  POWER OUTAGES. GIVEN THE SATURATED STATE OF THE GROUND...THESE
  STRONG WINDS COULD RESULT IN UPROOTED TREES. MINOR ROOF DAMAGE
  MAY BE POSSIBLE WITH SOME OF THE STRONGER GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF 30 TO 45 MPH WITH GUSTS TO
65 MPH WILL LEAD TO SOME PROPERTY DAMAGE.

&&

$$

WAZ001-503-506-510-100030-
/O.NEW.KSEW.WI.Y.0006.160309T2300Z-160310T1700Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
356 AM PST WED MAR 9 2016

...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 AM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...
WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 AM PST THURSDAY. 

* TIMING...WIND SPEEDS ARE EXPECTED TO INCREASE LATE THIS
  AFTERNOON...REACHING THEIR PEAK TONIGHT AND INTO EARLY THURSDAY
  MORNING. WINDS WILL SLOWLY DIMINISH ON THURSDAY.

* WINDS...SOUTH TO SOUTHEAST WINDS 25 TO 35 MPH WITH GUSTS UP TO
  45 MPH.

* IMPACTS...FALLEN TREE LIMBS AND DOWNED POWER LINES MAY RESULT IN
  POWER OUTAGES. GIVEN THE SATURATED STATE OF THE GROUND...THESE
  STRONG WINDS COULD RESULT IN UPROOTED TREES.

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.

&&

$$
1 follow-up statement
482 
WWUS76 KSEW 092227
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
227 PM PST WED MAR 9 2016

WAZ001-503-506-510-100630-
/O.UPG.KSEW.WI.Y.0006.160309T2300Z-160310T1700Z/
/O.EXB.KSEW.HW.W.0003.160309T2227Z-160310T1700Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
227 PM PST WED MAR 9 2016

...HIGH WIND WARNING IN EFFECT UNTIL 9 AM PST THURSDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 9 AM PST THURSDAY. THE WIND
ADVISORY IS NO LONGER IN EFFECT. 

* TIMING...WINDS WILL INCREASE THIS EVENING AND THE STRONGEST WIND
  IS LIKELY FROM MIDNIGHT THROUGH DAYBREAK.

* WINDS...SOUTHEAST WINDS 20 TO 35 MPH WILL BECOME SOUTH 30 TO 40
  MPH WITH GUSTS TO 60 MPH FROM ABOUT MIDNIGHT TIL 9 AM THURSDAY.

* IMPACTS...FALLEN TREE LIMBS AND DOWNED POWER LINES MAY RESULT IN 
  POWER OUTAGES. GIVEN THE SATURATED STATE OF THE GROUND...THESE 
  STRONG WINDS COULD RESULT IN UPROOTED TREES. 

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.

&&

$$

WAZ516-517-100630-
/O.CON.KSEW.HW.W.0003.160309T2300Z-160310T1700Z/
NORTH COAST-CENTRAL COAST-
227 PM PST WED MAR 9 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM PST THURSDAY...

* TIMING...WINDS WILL INCREASE THIS EVENING AND THE STRONGEST WIND
  IS LIKELY FROM MIDNIGHT THROUGH DAYBREAK.

* WINDS...SOUTHERLY WINDS 30 TO 45 MPH WITH GUSTS TO 65 MPH WILL
  DEVELOP. THERE MAY BE TWO BURSTS OF WIND...THE FIRST LATER THIS
  EVENING AND THEN A SECOND AROUND DAYBREAK ON THURSDAY.

* IMPACTS...FALLEN TREE LIMBS AND DOWNED POWER LINES MAY RESULT IN 
  POWER OUTAGES. GIVEN THE SATURATED STATE OF THE GROUND...THESE 
  STRONG WINDS COULD RESULT IN UPROOTED TREES. MINOR ROOF DAMAGE 
  MAY BE POSSIBLE WITH SOME OF THE STRONGER GUSTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF 30 TO 45 MPH WITH GUSTS TO
65 MPH WILL LEAD TO SOME PROPERTY DAMAGE.

&&

$$

WAZ507-100630-
/O.NEW.KSEW.WI.Y.0007.160309T2300Z-160310T1700Z/
EVERETT AND VICINITY-
227 PM PST WED MAR 9 2016

...WIND ADVISORY IN EFFECT UNTIL 9 AM PST THURSDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...
WHICH IS IN EFFECT UNTIL 9 AM PST THURSDAY. 

* TIMING...WINDS WILL INCREASE THIS EVENING BUT THE STRONGEST WIND
  IS LIKELY FROM MIDNIGHT TIL 9 AM THURSDAY.

* WINDS...SOUTHEAST WINDS 15 TO 30 MPH WILL BECOME SOUTH 20 TO 35
  MPH WITH GUSTS TO 50 MPH AFTER MIDNIGHT.

* IMPACTS...BROKEN LIMBS AND LOCAL POWER OUTAGES.

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 8:49 PM PSTStorm WarningSEW36 hr
Mar 8, 8:50 PM PSTHigh Wind WarningSEWSan Juan39 hr
Mar 9, 2:45 AM PSTSmall Craft AdvisorySEW12 hr
Mar 9, 3:12 AM PSTCoastal Flood WarningSEWSan Juan29 hr
Mar 9, 3:12 AM PSTHigh Surf AdvisorySEW16 hr
Mar 9, 1:53 PM PSTWinter Weather AdvisorySEW8 hr
Mar 9, 2:27 PM PSTWind AdvisorySEWSan Juan25 hr

Nearby

Wind Advisories in Washington, 2016Every wind advisory in 2016

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.