Alert archive / Washington / Wind Advisories in 2013

Wind Advisory 4, NWS Spokane, WA

April 7, 20139 counties in Washington

NWS Spokane, WA issued this wind advisory at Apr 7, 2013, 12:17 PM PDT for 9 counties in Washington. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 7, 2013, 12:17 PM PDT (19:17 UTC)
Expired
Apr 7, 2013, 7:00 PM PDT
In force
7 hr
Issued by
NWS Spokane, WA

Counties Adams County, WA, Asotin County, WA, Douglas County, WA, Garfield County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Spokane County, WA, Whitman County, WA

The radar

The Spokane radar (KOTX), 75 km from the middle of the area, began a volume at 19:18 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, 7.3 hours before the alert went out and 158 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 2013-04-07Temperature 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 2013-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.19395878Sfc1 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
720 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
125 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.

084 
WWUS76 KOTX 071917
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1217 PM PDT SUN APR 7 2013

...VERY WINDY CONDITIONS THE REST OF TODAY...


WAZ032-033-035-080200-
/O.NEW.KOTX.WI.Y.0004.130407T1917Z-130408T0200Z/
LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE-
UPPER COLUMBIA BASIN-
INCLUDING THE CITIES OF...CLARKSTON...POMEROY...PULLMAN...
COLFAX...ROSALIA...LA CROSSE...OAKESDALE...TEKOA...UNIONTOWN...
RITZVILLE...ODESSA
1217 PM PDT SUN APR 7 2013

...WIND ADVISORY IN EFFECT UNTIL 7 PM PDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM PDT THIS EVENING.

* WINDS: SOUTHWEST 25 TO 35 MPH WITH GUSTS AS HIGH AS 50 MPH. 

* TIMING: WINDS WILL CONTINUE THROUGH THE REMAINDER OF THE
  AFTERNOON...AND PERHAPS LINGER IN THE EARLY EVENING BEFORE
  DECREASING. 

* IMPACTS: VERY WINDY CONDITIONS WILL MAKE DRIVING HIGH PROFILE
  VEHICLES DIFFICULT. HIGH PROFILE OBJECTS MAY SHIFT OR BECOME
  AIRBORNE. THE HIGHEST THREAT FOR THIS SCENARIO WILL BE ALONG
  INTERSTATE 90 BETWEEN SPRAGUE AND MOSES LAKE...AS WELL AS ALONG
  HIGHWAY 195 BETWEEN PULLMAN AND SPOKANE.

* WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=OTX

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
648 
WWUS76 KOTX 080148
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
648 PM PDT SUN APR 7 2013



WAZ032-033-035-080300-
/O.EXP.KOTX.WI.Y.0004.000000T0000Z-130408T0200Z/
LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE-
UPPER COLUMBIA BASIN-
INCLUDING THE CITIES OF...CLARKSTON...POMEROY...PULLMAN...
COLFAX...ROSALIA...LA CROSSE...OAKESDALE...TEKOA...UNIONTOWN...
RITZVILLE...ODESSA
648 PM PDT SUN APR 7 2013

...WIND ADVISORY WILL EXPIRE AT 7 PM PDT THIS EVENING...

GUSTY SOUTHWEST WINDS HAVE DIMINISHED ACROSS SOUTHEAST WASHINGTON.
SOME EXPOSED LOCATIONS MAY EXPERIENCE WINDS OF 15 TO 25 MPH
THROUGH THIS EVENING BUT SPEEDS WILL REMAIN BELOW ADVISORY
CRITERIA. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 9:40 AM PDTWinter Storm WarningOTXFerry, Okanogan11 hr

Nearby

Wind Advisories in Washington, 2013Every wind advisory in 2013

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.