Alert archive / Washington / Wind Advisories in 2016

Wind Advisory 9, NWS Spokane, WA

December 19, 2016Asotin County, Garfield County, Washington; Nez Perce County, Idaho

NWS Spokane, WA issued this wind advisory at Dec 19, 2016, 8:05 AM PST for Asotin County, Garfield County, Washington; Nez Perce County, Idaho. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Dec 19, 2016, 8:05 AM PST (16:05 UTC)
Expired
Dec 19, 2016, 3:52 PM PST
In force
8 hr
Issued by
NWS Spokane, WA

Counties Nez Perce County, ID, Asotin County, WA, Garfield County, WA

The radar

The Pendleton radar (KPDT), 148 km from the middle of the area, began a volume at 16:06 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, 4.1 hours before the alert went out and 164 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 2016-12-19Temperature 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 2016-12-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 445 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1380 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
445 m²/s²
0-3 km storm-relative helicity
608 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

632 
WWUS76 KOTX 191605
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
805 AM PST MON DEC 19 2016

...WINDY AND GUSTY CONDITIONS FOR THE LEWISTON-CLARKSTON VALLEY
TODAY...


IDZ026-WAZ032-200000-
/O.NEW.KOTX.WI.Y.0009.161219T1605Z-161220T0000Z/
LEWISTON AREA-LOWER GARFIELD AND ASOTIN COUNTIES-
805 AM PST MON DEC 19 2016

...WIND ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON.

* WINDS...SOUTH 15 TO 30 MPH WITH GUSTS 45 TO 50 MPH.

* IMPACTS...DRIVING HIGH PROFILE VEHICLES ON HIGHWAY 95
  AND HIGHWAY 26 AND OTHER ROUTES THROUGH THE REGION MAY BE
  DIFFICULT TO CONTROL. 

* LOCATIONS...LEWISTON...CLARKSTON AND VICINITY.

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.

&&

$$
1 follow-up statement
347 
WWUS76 KOTX 192352
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
352 PM PST MON DEC 19 2016


IDZ026-WAZ032-200100-
/O.CAN.KOTX.WI.Y.0009.000000T0000Z-161220T0000Z/
LEWISTON AREA-LOWER GARFIELD AND ASOTIN COUNTIES-
352 PM PST MON DEC 19 2016

...WIND ADVISORY IS CANCELLED...

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

SOUTH WINDS 20 TO 25 MPH WITH GUSTS 35 TO 40 MPH WILL CONTINUE
THROUGH SUNSET...THEN DECREASE THROUGH THE EVENING. AS SUCH THE
WIND ADVISORY HAS BEEN CANCELLED. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 19, 3:22 AM PSTWinter Storm WarningOTXDouglas, Ferry, Okanogan, Pend Oreille, Spokane, Stevens35 hr
Dec 19, 3:22 AM PSTWinter Weather AdvisoryOTXAdams, Asotin, Chelan, Douglas, Garfield, Grant and 4 more31 hr
Dec 19, 3:22 AM PSTFreezing Rain AdvisoryOTXAdams, Grant25 hr

Nearby

Wind Advisories in Washington, 2016Wind Advisories in Idaho, 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.