Alert archive / Washington / Wind Advisories in 2012

Wind Advisory 15, NWS Spokane, WA

November 20, 20129 counties in Washington; Benewah County, Latah County, Idaho

NWS Spokane, WA issued this wind advisory at Nov 20, 2012, 8:48 PM PST for 9 counties in Washington; Benewah County, Latah County, Idaho. It took effect at Nov 21, 2012, 7:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Nov 20, 2012, 8:48 PM PST (04:48 UTC)
In effect from
Nov 21, 2012, 7:00 AM PST
Expired
Nov 21, 2012, 4:00 PM PST
In force
9 hr
Issued by
NWS Spokane, WA

Counties Benewah County, ID, Latah County, ID, 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), 63 km from the middle of the area, began a volume at 04:51 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, 4.8 hours before the alert went out and 138 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 2012-11-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-11-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 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
49 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
825 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

369 
WWUS76 KOTX 210448
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
848 PM PST TUE NOV 20 2012

...WINDY CONDITIONS WEDNESDAY SOUTH CENTRAL BASIN AND PALOUSE
AREAS...

.A STRONG COLD FRONT WILL CONCENTRATE WINDS IN THE SOUTHERN
CENTRAL BASIN AND PALOUSE AREAS OF EASTERN WASHINGTON WEDNESDAY.
CAUTION SHOULD BE EXERCISED WHEN OUTDOORS AND DRIVING HIGH PROFILE
VEHICLES.

IDZ003-WAZ032>035-211300-
/O.NEW.KOTX.WI.Y.0015.121121T1500Z-121122T0000Z/
IDAHO PALOUSE-LOWER GARFIELD AND ASOTIN COUNTIES-
WASHINGTON PALOUSE-MOSES LAKE AREA-UPPER COLUMBIA BASIN-
INCLUDING THE CITIES OF...MOSCOW...POTLATCH...POMEROY...PULLMAN...
COLFAX...LA CROSSE...OAKESDALE...TEKOA...OTHELLO...RITZVILLE...
ODESSA
848 PM PST TUE NOV 20 2012

...WIND ADVISORY IN EFFECT FROM 7 AM TO 4 PM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO 4 PM PST WEDNESDAY.

* WINDS: SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING: WEDNESDAY MORNING INTO WEDNESDAY AFTERNOON.

* IMPACTS: THESE WINDS MAY CAUSE PROBLEMS WITH TREES...POWERLINES
  AND HIGH PROFILE VEHICLES.

* 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.

&&

$$
3 follow-up statements
198 
WWUS76 KOTX 211149
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
349 AM PST WED NOV 21 2012

...WINDY CONDITIONS WEDNESDAY SOUTH CENTRAL BASIN AND PALOUSE
AREAS...

.A STRONG COLD FRONT WILL CONCENTRATE WINDS IN THE SOUTHERN
CENTRAL BASIN AND PALOUSE AREAS OF EASTERN WASHINGTON TODAY.
CAUTION SHOULD BE EXERCISED WHEN OUTDOORS AND DRIVING HIGH 
PROFILE VEHICLES.

IDZ003-WAZ032>035-212000-
/O.CON.KOTX.WI.Y.0015.121121T1500Z-121122T0000Z/
IDAHO PALOUSE-LOWER GARFIELD AND ASOTIN COUNTIES-
WASHINGTON PALOUSE-MOSES LAKE AREA-UPPER COLUMBIA BASIN-
INCLUDING THE CITIES OF...MOSCOW...POTLATCH...POMEROY...PULLMAN...
COLFAX...LA CROSSE...OAKESDALE...TEKOA...OTHELLO...RITZVILLE...
ODESSA
349 AM PST WED NOV 21 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM
PST THIS AFTERNOON...

* WINDS: SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING: WINDS WILL INCREASE AFTER 7 AM THIS MORNING...PEAK
  DURING THE EARLY AFTERNOON HOURS AND DECREASE IN THE LATE
  AFTERNOON. 

* IMPACTS: SCATTERED POWER OUTAGES ARE POSSIBLE FROM TREE BRANCHES
  ON POWER LINES. DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT.

* 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.

&&

$$
798 
WWUS76 KOTX 211910
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1110 AM PST WED NOV 21 2012

...WINDY CONDITIONS TODAY SOUTH CENTRAL BASIN AND PALOUSE AREAS...

.A STRONG COLD FRONT WILL CONCENTRATE WINDS IN THE SOUTHERN
CENTRAL BASIN AND PALOUSE AREAS OF EASTERN WASHINGTON TODAY.
CAUTION SHOULD BE EXERCISED WHEN OUTDOORS AND DRIVING HIGH
PROFILE VEHICLES.

IDZ003-WAZ032>035-220000-
/O.CON.KOTX.WI.Y.0015.000000T0000Z-121122T0000Z/
IDAHO PALOUSE-LOWER GARFIELD AND ASOTIN COUNTIES-
WASHINGTON PALOUSE-MOSES LAKE AREA-UPPER COLUMBIA BASIN-
INCLUDING THE CITIES OF...MOSCOW...POTLATCH...POMEROY...PULLMAN...
COLFAX...LA CROSSE...OAKESDALE...TEKOA...OTHELLO...RITZVILLE...
ODESSA
1110 AM PST WED NOV 21 2012

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

* WINDS: SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING: WINDS WILL PEAK DURING THE EARLY AFTERNOON HOURS AND
  DECREASE IN THE LATE AFTERNOON.

* IMPACTS: SCATTERED POWER OUTAGES ARE POSSIBLE FROM TREE 
  BRANCHES ON POWER LINES. DRIVING HIGH PROFILE VEHICLES MAY BE 
  DIFFICULT. 

* 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.

&&

$$
962 
WWUS76 KOTX 212355
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
355 PM PST WED NOV 21 2012


IDZ003-WAZ032>035-220100-
/O.EXP.KOTX.WI.Y.0015.000000T0000Z-121122T0000Z/
IDAHO PALOUSE-LOWER GARFIELD AND ASOTIN COUNTIES-
WASHINGTON PALOUSE-MOSES LAKE AREA-UPPER COLUMBIA BASIN-
INCLUDING THE CITIES OF...MOSCOW...POTLATCH...POMEROY...PULLMAN...
COLFAX...LA CROSSE...OAKESDALE...TEKOA...OTHELLO...RITZVILLE...
ODESSA
355 PM PST WED NOV 21 2012

...WIND ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON...

WINDS ARE DECREASING AND WILL CONTINUE TO DECREASE THROUGH THE 
EVENING. THE WIND ADVISORY WILL ALLOWED TO EXPIRE AT 4 PM PST.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 20, 10:00 PM PSTWinter Weather AdvisoryOTX24 hr

Nearby

Wind Advisories in Washington, 2012Wind Advisories in Idaho, 2012Every wind advisory in 2012

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.