Alert archive / Washington / Wind Advisories in 2017

Wind Advisory 6, NWS Spokane, WA

October 6, 20178 counties in Washington; Benewah County, Kootenai County, Latah County, Idaho

NWS Spokane, WA issued this wind advisory at Oct 6, 2017, 3:16 AM PDT for 8 counties in Washington; Benewah County, Kootenai County, Latah County, Idaho. It took effect at Oct 6, 2017, 2:00 PM PDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Oct 6, 2017, 3:16 AM PDT (10:16 UTC)
In effect from
Oct 6, 2017, 2:00 PM PDT
Expired
Oct 7, 2017, 2:14 PM PDT
In force
24 hr
Issued by
NWS Spokane, WA

Counties Benewah County, ID, Kootenai County, ID, Latah County, ID, Adams County, WA, Chelan County, WA, Douglas County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Spokane County, WA, Whitman County, WA

The radar

The Spokane radar (KOTX), 57 km from the middle of the area, began a volume at 10:19 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 00:00Z, 10.3 hours before the alert went out and 146 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 00:00Z on 2017-10-06Temperature 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 00:00Z on 2017-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2747 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

623 
WWUS76 KOTX 061016
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
316 AM PDT Fri Oct 6 2017

...Strong winds and blowing dust expected to develop late today 
and continue at times through Saturday...

A strong cold front is expected to move into the Inland Northwest
late this afternoon, followed by strong westerly winds and a high
probability of blowing dust. The strong and gusty winds are
expected to continue at times through Saturday. 

IDZ002-003-WAZ033>036-041-044-062300-
/O.NEW.KOTX.WI.Y.0006.171006T2100Z-171008T0300Z/
Coeur d'Alene Area-Idaho Palouse-Washington Palouse-
Moses Lake Area-Upper Columbia Basin-Spokane Area-Wenatchee Area-
Waterville Plateau-
316 AM PDT Fri Oct 6 2017

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT
SATURDAY...

The National Weather Service in Spokane has issued a Wind
Advisory...which is in effect from 2 PM this afternoon to 8 PM
PDT Saturday.

* Winds...Southwest 20 to 30 mph with gusts 45 mph.

* Timing...Winds will steadily increase today, however the
  strongest speeds will occur late this afternoon and into the 
  evening. The winds will relax somewhat overnight but will 
  increase again on Saturday. 

* Impacts...Blowing dust is likely to develop over the Columbia
  Basin and Waterville Plateau coincident with the arrival of the
  strongest winds. The strong winds will potentially make driving
  of high profile vehicles difficult at times. The winds could 
  also produce minor tree damage and cause loose outdoor objects 
  to become airborne. 

* Locations...Coeur d'Alene, Post Falls, Hayden, Worley, Moscow, 
  Plummer, Potlatch, Genesee, Pullman, Colfax, Rosalia, La 
  Crosse, Oakesdale, Tekoa, Uniontown, Moses Lake, Ephrata, 
  Othello, Quincy, Ritzville, Grand Coulee, Odessa, Wilbur, 
  Coulee City, Spokane, Cheney, Davenport, Rockford, Wenatchee, 
  Chelan, Entiat, Cashmere, Waterville, and Mansfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 20 to 30 mph are 
expected with gusts in excess of 45 mph. 

&&

$$
3 follow-up statements
084 
WWUS76 KOTX 062230
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
330 PM PDT Fri Oct 6 2017

...Strong winds and blowing dust at times Friday and Saturday...

IDZ002-003-WAZ033>036-041-044-071330-
/O.CON.KOTX.WI.Y.0006.000000T0000Z-171008T0300Z/
Coeur d'Alene Area-Idaho Palouse-Washington Palouse-
Moses Lake Area-Upper Columbia Basin-Spokane Area-Wenatchee Area-
Waterville Plateau-
330 PM PDT Fri Oct 6 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY...

* Winds...Southwest 20 to 30 mph with gusts to 45 mph.

* Timing...Strongest speeds through Friday evening, decreasing a
  little Friday overnight, and increasing again Saturday.

* Impacts...Areas of blowing dust likely over Columbia Basin and
  Waterville Plateau with stronger wind. Winds may create
  difficulties for high profile vehicles. Winds may produce minor
  tree damage and cause loose outdoor objects to become airborne.

* Locations...Moscow, Plummer, Potlatch, Genesee, Coeur d'Alene, 
  Post Falls, Hayden, Worley, Wenatchee, Chelan, Entiat, 
  Cashmere, Waterville, Mansfield, Pullman, Colfax, Rosalia, La 
  Crosse, Oakesdale, Tekoa, Uniontown, Ritzville, Grand Coulee, 
  Odessa, Wilbur, Coulee City, Moses Lake, Ephrata, Othello, 
  Quincy, Spokane, Cheney, Davenport, and Rockford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 20 to 30 mph are
expected with gusts in excess of 45 mph.

&&

$$
088 
WWUS76 KOTX 071317
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
617 AM PDT Sat Oct 7 2017

...Strong winds and blowing dust at times today...

IDZ002-003-WAZ033>036-041-044-072330-
/O.CON.KOTX.WI.Y.0006.000000T0000Z-171008T0300Z/
Coeur d'Alene Area-Idaho Palouse-Washington Palouse-
Moses Lake Area-Upper Columbia Basin-Spokane Area-Wenatchee Area-
Waterville Plateau-
617 AM PDT Sat Oct 7 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* Winds...West 15 to 30 mph with gusts 40 to 45 mph.

* Timing...Saturday morning and early afternoon...decreasing late
  in the day. 

* Impacts...Areas of haze and blowing dust likely over Columbia
  Basin and Waterville Plateau. Winds may create difficulties for
  high profile vehicles. Winds may produce minor tree damage and 
  cause loose outdoor objects to become airborne.

* Locations...Moscow, Plummer, Potlatch, Genesee, Coeur d'Alene, 
  Post Falls, Hayden, Worley, Wenatchee, Chelan, Entiat, 
  Cashmere, Waterville, Mansfield, Pullman, Colfax, Rosalia, La 
  Crosse, Oakesdale, Tekoa, Uniontown, Ritzville, Grand Coulee, 
  Odessa, Wilbur, Coulee City, Moses Lake, Ephrata, Othello, 
  Quincy, Spokane, Cheney, Davenport, and Rockford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 20 to 30 mph are
expected with gusts at least 45 mph.

&&

$$
953 
WWUS76 KOTX 072114
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
214 PM PDT Sat Oct 7 2017

IDZ002-003-WAZ033>036-041-044-072215-
/O.CAN.KOTX.WI.Y.0006.000000T0000Z-171008T0300Z/
Coeur d'Alene Area-Idaho Palouse-Washington Palouse-
Moses Lake Area-Upper Columbia Basin-Spokane Area-Wenatchee Area-
Waterville Plateau-
214 PM PDT Sat Oct 7 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Spokane has cancelled the Wind
Advisory.

Winds across the region have begun to weaken and have fallen below
advisory level.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 1:51 PM PDTRed Flag WarningOTX7 hr

Nearby

Wind Advisories in Washington, 2017Wind Advisories in Idaho, 2017Every wind advisory in 2017

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.