Alert archive / Washington / High Wind Warnings in 2016

High Wind Warning 5, NWS Seattle, WA

October 6, 2016San Juan County, Washington

NWS Seattle, WA issued this high wind warning at Oct 6, 2016, 10:04 AM PDT for San Juan County, Washington. It took effect at Oct 6, 2016, 8:00 PM PDT. It was in force for 13 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 6, 2016, 10:04 AM PDT (17:04 UTC)
In effect from
Oct 6, 2016, 8:00 PM PDT
Expired
Oct 7, 2016, 9:00 AM PDT
In force
13 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 17:07 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, 5.1 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 2016-10-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 12:00Z on 2016-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
3 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

903 
WWUS76 KSEW 061704
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1004 AM PDT THU OCT 6 2016

WAZ001-503-506-510-070400-
/O.NEW.KSEW.HW.W.0005.161007T0300Z-161007T1600Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
1004 AM PDT THU OCT 6 2016

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 9 AM PDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 9 AM PDT
FRIDAY. 

* TIMING...TONIGHT. PEAK WINDS SPEEDS ARE EXPECTED FROM LATE THIS
  EVENING THROUGH THE OVERNIGHT HOURS.

* WINDS...SOUTH AND SOUTHEAST WINDS 25 TO 35 MPH, WITH GUSTS
  AROUND 45 TO 50 MPH.

* IMPACTS...THIS WILL BE THE FIRST WIND EVENT OF THIS MAGNITUDE
  THIS SEASON. IMPACTS SUCH AS TREE DAMAGE ARE TYPICALLY GREATER
  FOR AN EVENT OF THIS MAGNITUDE WHEN IT IS THE FIRST EVENT OF
  THE SEASON. PREPARE FOR TREE DAMAGE AND SCATTERED POWER OUTAGES.
  MANY OF THE WIND-RELATED DEATHS IN WESTERN WASHINGTON OCCUR WHEN
  TREES TOPPLES ONTO PEOPLE IN CARS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING IS BEING ISSUED DUE TO THE ENHANCED THREAT TO
LIFE AND PROPERTY THAT OFTEN COMES WITH THE FIRST WIND EVENT OF
THE FALL SEASON.

&&

$$

WAZ516-517-070400-
/O.NEW.KSEW.HW.W.0005.161007T0300Z-161007T1300Z/
NORTH COAST-CENTRAL COAST-
1004 AM PDT THU OCT 6 2016

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 6 AM PDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM PDT
FRIDAY. 

* TIMING...TONIGHT. PEAK WINDS SPEEDS ARE EXPECTED FROM LATE THIS
  EVENING THROUGH THE OVERNIGHT HOURS.

* WINDS...SOUTH AND SOUTHEAST WINDS 25 TO 35 MPH, WITH GUSTS
  AROUND 45 TO 50 MPH.

* IMPACTS...THIS WILL BE THE FIRST WIND EVENT OF THIS MAGNITUDE
  THIS SEASON. IMPACTS SUCH AS TREE DAMAGE ARE TYPICALLY GREATER
  FOR AN EVENT OF THIS MAGNITUDE WHEN IT IS THE FIRST EVENT OF
  THE SEASON. PREPARE FOR TREE DAMAGE AND SCATTERED POWER OUTAGES.
  MANY OF THE WIND-RELATED DEATHS IN WESTERN WASHINGTON OCCUR WHEN
  TREES TOPPLE ONTO PEOPLE IN CARS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING IS BEING ISSUED DUE TO THE ENHANCED THREAT TO
LIFE AND PROPERTY THAT OFTEN COMES WITH THE FIRST WIND EVENT OF
THE FALL SEASON.

&&

$$
3 follow-up statements
423 
WWUS76 KSEW 070312
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
812 PM PDT THU OCT 6 2016

WAZ001-503-506-510-071200-
/O.CON.KSEW.HW.W.0005.000000T0000Z-161007T1600Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
812 PM PDT THU OCT 6 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM PDT FRIDAY...

* TIMING...PEAK WIND SPEEDS ARE EXPECTED THROUGHOUT MUCH OF THE
  NIGHT TONIGHT AND INTO FRIDAY MORNING. WINDS ARE EXPECTED TO
  DIMINISH FROM WEST TO EAST...WITH WINDS IN THE WARNING AREA
  SUBSIDING AROUND 9 AM PDT FRIDAY MORNING.

* WINDS...SOUTH AND SOUTHEAST WINDS 25 TO 35 MPH... WITH GUSTS 
  AROUND 45 TO 50 MPH. 

* IMPACTS...THIS WILL BE THE FIRST WIND EVENT OF THIS MAGNITUDE 
  THIS SEASON. IMPACTS SUCH AS TREE DAMAGE ARE TYPICALLY GREATER 
  FOR AN EVENT OF THIS MAGNITUDE WHEN IT IS THE FIRST EVENT OF THE 
  SEASON. PREPARE FOR TREE DAMAGE AND SCATTERED POWER OUTAGES. MANY 
  OF THE WIND-RELATED DEATHS IN WESTERN WASHINGTON OCCUR WHEN TREES 
  TOPPLES ONTO PEOPLE IN CARS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING IS BEING ISSUED DUE TO THE ENHANCED THREAT TO
LIFE AND PROPERTY THAT OFTEN COMES WITH THE FIRST WIND EVENT OF THE
FALL SEASON.

&&

$$

WAZ516-517-071200-
/O.CON.KSEW.HW.W.0005.000000T0000Z-161007T1300Z/
NORTH COAST-CENTRAL COAST-
812 PM PDT THU OCT 6 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM PDT FRIDAY...

* TIMING...PEAK WIND SPEEDS ARE EXPECTED THROUGHOUT MUCH OF THE
  NIGHT TONIGHT AND INTO FRIDAY MORNING. WINDS ARE EXPECTED TO
  DIMINISH FROM WEST TO EAST...WITH COASTAL LOCATIONS STARTING TO
  SEE WIND SPEEDS SUBSIDE AFTER 5 AM PDT FRIDAY MORNING.

* WINDS...SOUTH AND SOUTHEAST WINDS 25 TO 35 MPH... WITH GUSTS 
  AROUND 45 TO 50 MPH. 

* IMPACTS...THIS WILL BE THE FIRST WIND EVENT OF THIS MAGNITUDE 
  THIS SEASON. IMPACTS SUCH AS TREE DAMAGE ARE TYPICALLY GREATER 
  FOR AN EVENT OF THIS MAGNITUDE WHEN IT IS THE FIRST EVENT OF THE 
  SEASON. PREPARE FOR TREE DAMAGE AND SCATTERED POWER OUTAGES. MANY 
  OF THE WIND-RELATED DEATHS IN WESTERN WASHINGTON OCCUR WHEN TREES 
  TOPPLE ONTO PEOPLE IN CARS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING IS BEING ISSUED DUE TO THE ENHANCED THREAT TO
LIFE AND PROPERTY THAT OFTEN COMES WITH THE FIRST WIND EVENT OF THE
FALL SEASON.

&&

$$
937 
WWUS76 KSEW 070954
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
254 AM PDT FRI OCT 7 2016

WAZ516-517-071100-
/O.CAN.KSEW.HW.W.0005.000000T0000Z-161007T1300Z/
NORTH COAST-CENTRAL COAST-
254 AM PDT FRI OCT 7 2016

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE HIGH WIND
WARNING. 

WINDS HAVE EASED BEHIND A FRONT AND WILL CONTINUE TO DIMINISH
TODAY.

$$

WAZ001-503-506-510-071600-
/O.CON.KSEW.HW.W.0005.000000T0000Z-161007T1600Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
254 AM PDT FRI OCT 7 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING...

* TIMING...STRONGEST WINDS EARLY THIS MORNING. WINDS EASING BY 9
  AM.

* WINDS...SOUTH TO SOUTHEAST 20 TO 35 MPH WITH GUSTS TO 45 OR 50
  MPH.

* IMPACTS...THIS IS THE FIRST WIND EVENT OF THE SEASON. TREE
  DAMAGE IS TYPICALLY GREATER FOR AN EVENT OF THIS MAGNITUDE WHEN
  IT IS THE FIRST EVENT OF THE SEASON. PREPARE FOR TREE DAMAGE AND
  SCATTERED POWER OUTAGES. MANY OF THE WIND-RELATED DEATHS IN
  WESTERN WASHINGTON OCCUR WHEN TREES TOPPLES ONTO PEOPLE IN CARS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING IS IN EFFECT DUE TO THE ENHANCED THREAT TO
LIFE AND PROPERTY THAT OFTEN COMES WITH THE FIRST WIND EVENT OF
THE SEASON.

&&

$$
853 
WWUS76 KSEW 071604
NPWSEW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
904 AM PDT FRI OCT 7 2016

WAZ001-503-506-510-071715-
/O.EXP.KSEW.HW.W.0005.000000T0000Z-161007T1600Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-
904 AM PDT FRI OCT 7 2016

...HIGH WIND WARNING HAS EXPIRED...

AT 9AM THE WINDIEST SPOT WAS SANDY POINT SHORES WHERE THE WIND
WAS GUSTING TO 41 MPH. THERE WERE SEVERAL LOCATIONS IN THE SAN
JUANS THAT HAD WIND GUSTS AROUND 30 MPH. THE BLUSTERY WINDS WILL
GRADUALLY EASE THROUGH THE REST OF THE MORNING AND EARLY AFTERNOON
AS THE LOW PRESSURE SYSTEM OVER SOUTHERN BRITISH COLUMBIA WEAKENS.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 2:57 AM PDTGale WatchSEW12 hr
Oct 6, 2:57 AM PDTGale WarningSEW33 hr
Oct 6, 2:57 AM PDTSmall Craft AdvisorySEW12 hr
Oct 6, 3:03 PM PDTSmall Craft Advisory for Rough BarSEW26 hr

Nearby

High Wind Warnings in Washington, 2016Every high wind warning 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.