Alert archive / Washington / Wind Advisories in 2011

Wind Advisory 2, NWS Spokane, WA

January 21, 20114 counties in Washington

NWS Spokane, WA issued this wind advisory at Jan 21, 2011, 4:38 AM PST for 4 counties in Washington. It took effect at Jan 21, 2011, 2:00 PM PST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jan 21, 2011, 4:38 AM PST (12:38 UTC)
In effect from
Jan 21, 2011, 2:00 PM PST
Expired
Jan 21, 2011, 7:36 PM PST
In force
6 hr
Issued by
NWS Spokane, WA

Counties Adams County, WA, Chelan County, WA, Douglas County, WA, Grant County, WA

The radar

The Spokane radar (KOTX), 149 km from the middle of the area, began a volume at 12:39 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

Spokane, WA (KOTX), launched 12:00Z, 0.6 hours before the alert went out and 240 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, Spokane, WA at 12:00Z on 2011-01-21Temperature 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, Spokane, WA at 12:00Z on 2011-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.1939587897117136Sfc1 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
619 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
211 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.

580 
WWUS76 KOTX 211238
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
438 AM PST FRI JAN 21 2011

...WINDY LATE THIS AFTERNOON AND THIS EVENING IN PORTIONS OF
CENTRAL WASHINGTON...

.GUSTY WEST WINDS WILL LIKELY DEVELOP OVER PORTIONS OF CENTRAL
WASHINGTON THIS AFTERNOON INTO THIS EVENING BEHIND A FAST MOVING
COLD FRONT. THE STRONGEST GUSTS ARE EXPECTED EARLY THIS EVENING
ALONG AND JUST BEHIND THE COLD FRONT.


WAZ034-041-042-044-212045-
/O.NEW.KOTX.WI.Y.0002.110121T2200Z-110122T0600Z/
MOSES LAKE AREA-WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-
WATERVILLE PLATEAU-
INCLUDING THE CITIES OF...EPHRATA...QUINCY...WENATCHEE...CHELAN...
ENTIAT...CASHMERE...WATERVILLE...MANSFIELD
438 AM PST FRI JAN 21 2011

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM PST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM
PST THIS EVENING. 

* WINDS: WEST WINDS SUSTAINED BETWEEN 25 MPH AND 35 MPH. GUSTS OF
  50 MPH WILL BE POSSIBLE.

* ELEVATIONS: FOR THE EAST SLOPES OF THE CASCADES...INCLUDING
  ENTIAT AND CHELAN...ELEVATIONS ABOVE 2000 FEET WILL HAVE THE
  BEST CHANCE OF EXPERIENCING GUSTS OF 50 MPH. IN THE WENATCHEE
  AREA...WIND PRONE AREAS MAINLY ABOVE 1000 FEET WILL HAVE THE
  BEST CHANCE OF EXPERIENCING STRONG WINDS THIS EVENING. EVEN THE
  LOW ELEVATIONS AROUND QUINCY...GEORGE...EPHRATA...AND BEVERLY
  HAVE THE POTENTIAL TO BE WINDY THIS EVENING.

* TIMING: WINDY CONDITIONS WILL DEVELOP OVER THE RIDGES OF THE
  EAST SLOPES OF THE CASCADES BY MID AFTERNOON. THE BEST CHANCE
  FOR STRONG WINDS IN THE WENATCHEE...WATERVILLE...AND QUINCY
  AREAS WILL BE BETWEEN 4 PM AND 8 PM.

* LOCATIONS INCLUDE: WENATCHEE...CHELAN...ENTIAT...WATERVILLE...
  MANSFIELD...EPHRATA...QUINCY

* IMPACTS: STRONG WINDS CAN TOPPLE TREES...BLOW WEAKENED ROOFS
  OFF HOUSES...AND BRING DOWN POWER-LINES. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION. TAKE ACTION TO SECURE
TRASH CANS...LAWN FURNITURE...AND OTHER LOOSE OR LIGHTWEIGHT
OUTDOOR OBJECTS.

&&

$$
2 follow-up statements
075 
WWUS76 KOTX 212026 AAA
NPWOTX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE SPOKANE WA
1226 PM PST FRI JAN 21 2011

...WINDY LATE THIS AFTERNOON AND THIS EVENING IN PORTIONS OF
CENTRAL WASHINGTON...

.GUSTY WEST WINDS WILL LIKELY DEVELOP OVER PORTIONS OF CENTRAL
WASHINGTON THIS AFTERNOON INTO THIS EVENING BEHIND A FAST MOVING
COLD FRONT. THE STRONGEST GUSTS ARE EXPECTED EARLY THIS EVENING
ALONG AND JUST BEHIND THE COLD FRONT.

WAZ034-041-042-044-220430-
/O.CON.KOTX.WI.Y.0002.110121T2200Z-110122T0600Z/
MOSES LAKE AREA-WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-
WATERVILLE PLATEAU-
INCLUDING THE CITIES OF...EPHRATA...QUINCY...WENATCHEE...CHELAN...
ENTIAT...CASHMERE...WATERVILLE...MANSFIELD
1226 PM PST FRI JAN 21 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. 

* WINDS: WEST WINDS SUSTAINED BETWEEN 25 MPH AND 35 MPH. GUSTS 
  OF50 MPH WILL BE POSSIBLE. 

* ELEVATIONS: FOR THE EAST SLOPES OF THE CASCADES...INCLUDING 
  ENTIAT AND CHELAN...ELEVATIONS ABOVE 2000 FEET WILL HAVE THE 
  BEST CHANCE OF EXPERIENCING GUSTS OF 50 MPH. IN THE 
  WENATCHEE AREA...WIND PRONE AREAS MAINLY ABOVE 1000 FEET 
  WILL HAVE THE BEST CHANCE OF EXPERIENCING STRONG WINDS THIS 
  EVENING. EVEN THE LOW ELEVATIONS AROUND QUINCY...GEORGE...
  EPHRATA...AND BEVERLY HAVE THE POTENTIAL TO BE WINDY THIS 
  EVENING.

* TIMING: WINDY CONDITIONS WILL DEVELOP OVER THE RIDGES OF THE 
  EAST SLOPES OF THE CASCADES BY MID AFTERNOON. THE BEST 
  CHANCE FOR STRONG WINDS IN THE WENATCHEE...WATERVILLE...AND 
  QUINCY AREAS WILL BE BETWEEN 4 PM AND 8 PM.

* LOCATIONS INCLUDE: WENATCHEE...CHELAN...ENTIAT...WATERVILLE...
   MANSFIELD...EPHRATA...QUINCY 

* IMPACTS: STRONG WINDS CAN TOPPLE TREES...BLOW WEAKENED ROOFS 
  OFF HOUSES...AND BRING DOWN POWER-LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION. TAKE ACTION TO SECURE
TRASH CANS...LAWN FURNITURE...AND OTHER LOOSE OR LIGHTWEIGHT
OUTDOOR OBJECTS.

&&

$$
849 
WWUS76 KOTX 220336
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
736 PM PST FRI JAN 21 2011

...WINDS WILL SUBSIDE OVERNIGHT...

.A COLD FRONT HAS PUSHED THROUGH THE AREA THIS EVENING...WITH
GUSTY WINDS ACCOMPANYING ITS PASSAGE. IN ITS WAKE...STRONGER WINDS
SEEM TO HAVE REMAINED OFF THE SURFACE...AND VERY FEW LOCATIONS ARE
EXPERIENCING CONTINUED GUSTY CONDITIONS LATE THIS EVENING.

WAZ034-041-042-044-220445-
/O.CAN.KOTX.WI.Y.0002.000000T0000Z-110122T0600Z/
MOSES LAKE AREA-WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-
WATERVILLE PLATEAU-
INCLUDING THE CITIES OF...EPHRATA...QUINCY...WENATCHEE...CHELAN...
ENTIAT...CASHMERE...WATERVILLE...MANSFIELD
736 PM PST FRI JAN 21 2011

...WIND ADVISORY IS CANCELLED...

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

STRONG WINDS THAT ACCOMPANIED THE COLD FRONTAL PASSAGE EARLIER
THIS EVENING HAVE SUBSIDED WITH SURFACE WINDS OUTSIDE OF THE
WATERVILLE PLATEAU GENERALLY RUNNING LESS THAN 15 MPH AT THIS
TIME. WHILE GUSTS UP TO AROUND 30 MPH ARE STILL LIKELY FOR THE
NEXT COUPLE OF HOURS ON THE WATERVILLE PLATEAU...WIDESPREAD
HAZARDOUS WINDY CONDITIONS ARE NOT ANTICIPATED FOR THE REST OF THE
EVENING.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 6:47 AM PSTFreezing Rain AdvisoryOTXAdams, Douglas, Ferry, Grant, Lincoln, Okanogan and 4 more6 hr
Jan 21, 11:50 AM PSTWinter Weather AdvisoryOTXPend Oreille, Spokane, Stevens4 hr

Nearby

Wind Advisories in Washington, 2011Every wind advisory in 2011

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.