Alert archive / Washington / Wind Advisories in 2018

Wind Advisory 4, NWS Spokane, WA

February 24, 20189 counties in Washington; Nez Perce County, Idaho

NWS Spokane, WA issued this wind advisory at Feb 24, 2018, 3:17 PM PST for 9 counties in Washington; Nez Perce County, Idaho. It took effect at Feb 25, 2018, 8:00 AM PST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2018, 3:17 PM PST (23:17 UTC)
In effect from
Feb 25, 2018, 8:00 AM PST
Expired
Feb 25, 2018, 6:00 PM PST
In force
10 hr
Issued by
NWS Spokane, WA

Counties Nez Perce 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), 74 km from the middle of the area, began a volume at 23:18 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, 11.3 hours before the alert went out and 150 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 2018-02-24Temperature 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 2018-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 247 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
645 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
247 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

799 
WWUS76 KOTX 242317
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
317 PM PST Sat Feb 24 2018

...Strong winds Sunday morning and afternoon...

.A potent storm system will bring the potential for strong winds
on Sunday. Look for winds to increase near sunrise and continue 
into the afternoon. 

WAZ032-033-250730-
/O.NEW.KOTX.WI.Y.0004.180225T1200Z-180225T2200Z/
Lower Garfield and Asotin Counties-Washington Palouse-
317 PM PST Sat Feb 24 2018

...WIND ADVISORY IN EFFECT FROM 4 AM TO 2 PM PST SUNDAY...

The National Weather Service in Spokane has issued a Wind
Advisory...which is in effect from 4 AM to 2 PM PST Sunday.

* Winds...Southwest 20 to 30 mph with gusts up to 45 mph. Isolated
  gusts around 50 mph will be possible on the highest, exposed
  terrain.

* Timing...Early Sunday morning through Sunday afternoon.

* Impacts...Difficult travel conditions for high profile vehicles.
  Loose, light weight objects may become airborne. Local power
  outages will be possible from minor tree damage. Blowing and 
  drifting snow will be possible in areas where there is snow on 
  the ground. 

* Locations...Pomeroy, Pullman, Colfax, Rosalia, La Crosse, 
  Oakesdale, Tekoa, and Uniontown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
6 follow-up statements
977 
WWUS76 KOTX 250600
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1000 PM PST Sat Feb 24 2018

...Strong winds Sunday morning and afternoon...

.A potent storm system will bring the potential for strong winds
on Sunday. Look for winds to increase near sunrise and continue
into the afternoon.

WAZ032-033-251600-
/O.CON.KOTX.WI.Y.0004.180225T1200Z-180225T2200Z/
Lower Garfield and Asotin Counties-Washington Palouse-
1000 PM PST Sat Feb 24 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 2 PM PST SUNDAY...

* Winds...Southwest 20 to 30 mph with gusts up to 45 mph. 
  Isolated gusts around 50 mph will be possible on the highest, 
  exposed terrain.

* Timing...Early Sunday morning through Sunday afternoon.

* Impacts...Difficult travel conditions for high profile 
  vehicles. Loose, light weight objects may become airborne. 
  Local power outages will be possible from minor tree damage. 
  Blowing and drifting snow will be possible in areas where 
  there is snow on the ground.

* Locations...Pullman, Colfax, Rosalia, La Crosse, Oakesdale, 
  Tekoa, Uniontown, and Pomeroy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
365 
WWUS76 KOTX 251025
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
225 AM PST Sun Feb 25 2018

...Strong winds Sunday morning and afternoon...

.A potent storm system will bring the potential for strong winds
today. Look for winds to increase near sunrise and continue
through the afternoon.

WAZ035-036-251830-
/O.EXB.KOTX.WI.Y.0004.180225T1600Z-180226T0000Z/
Upper Columbia Basin-Spokane Area-
225 AM PST Sun Feb 25 2018

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 4 PM PST
THIS AFTERNOON...

The National Weather Service in Spokane has issued a Wind
Advisory...which is in effect from 8 AM this morning to 4 PM PST
this afternoon.

* Winds...Southwest 20 to 30 mph with gusts up to 40 mph.

* Timing...Early Sunday morning through Sunday afternoon.

* Impacts...Difficult travel conditions for high profile 
  vehicles. Loose, light weight objects may become airborne. 
  Local power outages will be possible from minor tree damage. 
  Blowing and drifting snow will be possible in areas where 
  there is snow on the ground.

* Locations...Ritzville, Odessa, Cheney, Davenport, and Rockford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

WAZ032-033-251830-
/O.EXT.KOTX.WI.Y.0004.180225T1600Z-180226T0000Z/
Lower Garfield and Asotin Counties-Washington Palouse-
225 AM PST Sun Feb 25 2018

...WIND ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 4 PM PST
THIS AFTERNOON...

* Winds...Southwest 20 to 30 mph with gusts up to 40 mph.

* Timing...Early Sunday morning through Sunday afternoon.

* Impacts...Difficult travel conditions for high profile 
  vehicles. Loose, light weight objects may become airborne. 
  Local power outages will be possible from minor tree damage. 
  Blowing and drifting snow will be possible in areas where 
  there is snow on the ground.

* Locations...Pullman, Colfax, Rosalia, La Crosse, Oakesdale, 
  Tekoa, Uniontown, and Pomeroy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
590 
WWUS76 KOTX 251816
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1016 AM PST Sun Feb 25 2018

...Strong winds Sunday morning and afternoon...

.A potent storm system will bring the potential for strong winds
today. Look for winds to increase near sunrise and continue
through the afternoon.

WAZ032-033-035-036-260000-
/O.CON.KOTX.WI.Y.0004.000000T0000Z-180226T0000Z/
Lower Garfield and Asotin Counties-Washington Palouse-
Upper Columbia Basin-Spokane Area-
1016 AM PST Sun Feb 25 2018

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

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

* Timing...Through Sunday afternoon.

* Impacts...Difficult travel conditions for high profile 
  vehicles. Loose, light weight objects may become airborne. 
  Local power outages will be possible from minor tree damage. 
  Blowing and drifting snow will be possible in areas where 
  there is snow on the ground.

* Locations...Pullman, Colfax, Rosalia, La Crosse, Oakesdale, 
  Tekoa, Uniontown, Pomeroy, Ritzville, Odessa, Cheney, 
  Davenport, and Rockford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
251 
WWUS76 KOTX 251956
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1156 AM PST Sun Feb 25 2018

...Strong winds through this afternoon...

.A potent storm system will bring the potential for strong winds 
today. Look for winds to increase near sunrise and continue 
through the afternoon.

IDZ026-260000-
/O.EXA.KOTX.WI.Y.0004.000000T0000Z-180226T0000Z/
Lewiston Area-
1156 AM PST Sun Feb 25 2018

...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...Southwest 20 to 30 mph with gusts up to 45 mph.

* Timing...Through Sunday afternoon.

* Impacts...Difficult travel conditions for high profile 
  vehicles. Loose, light weight objects may become airborne. 
  Local power outages will be possible from minor tree damage. 
  Blowing and drifting snow will be possible in areas where 
  there is snow on the ground.

* Locations...Lewiston, Lapwai, Peck, Culdesac, and Gifford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

WAZ032-033-035-036-260000-
/O.CON.KOTX.WI.Y.0004.000000T0000Z-180226T0000Z/
Lower Garfield and Asotin Counties-Washington Palouse-
Upper Columbia Basin-Spokane Area-
1156 AM PST Sun Feb 25 2018

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

* Winds...Southwest 20 to 30 mph with gusts up to 50 mph.

* Timing...Through Sunday afternoon.

* Impacts...Difficult travel conditions for high profile 
  vehicles. Loose, light weight objects may become airborne. 
  Local power outages will be possible from minor tree damage. 
  Blowing and drifting snow will be possible in areas where 
  there is snow on the ground.

* Locations...Pullman, Colfax, Rosalia, La Crosse, Oakesdale, 
  Tekoa, Uniontown, Clarkston, Pomeroy, Ritzville, Odessa, 
  Cheney, Davenport, and Rockford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
143 
WWUS76 KOTX 252259
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
259 PM PST Sun Feb 25 2018

...Strong winds through this afternoon...

.Winds will remain breezy the next 1-2 hours then begin to
decrease. Isolated strong gusts may accompany showers. Winds will
decrease below 15 mph by midnight. 

IDZ026-WAZ032-033-035-036-260200-
/O.EXT.KOTX.WI.Y.0004.000000T0000Z-180226T0200Z/
Lewiston Area-Lower Garfield and Asotin Counties-
Washington Palouse-Upper Columbia Basin-Spokane Area-
259 PM PST Sun Feb 25 2018

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS EVENING...

* Winds...Southwest 15 to 30 mph with gusts up to 45 mph.

* Timing...Through Sunday evening, 6PM.

* Impacts...Difficult travel conditions for high profile 
  vehicles. Loose, light weight objects may become airborne. 
  Local power outages will be possible from minor tree damage. 
  Blowing and drifting snow will be possible in areas where 
  there is snow on the ground.

* Locations...Lewiston, Lapwai, Peck, Culdesac, Gifford, Pullman,
   Colfax, Rosalia, La Crosse, Oakesdale, Tekoa, Uniontown, 
  Clarkston, Pomeroy, Ritzville, Odessa, Cheney, Davenport, and 
  Rockford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
060 
WWUS76 KOTX 260208
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
608 PM PST Sun Feb 25 2018

IDZ026-WAZ032-033-035-036-260315-
/O.EXP.KOTX.WI.Y.0004.000000T0000Z-180226T0200Z/
Lewiston Area-Lower Garfield and Asotin Counties-
Washington Palouse-Upper Columbia Basin-Spokane Area-
608 PM PST Sun Feb 25 2018

...WIND ADVISORY HAS EXPIRED...

Breezy conditions will slowly diminish through the evening hours,
with local gusts to 35 mph possible in exposed terrain.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 3:10 PM PSTWinter Storm WarningOTXSpokane, Whitman32 hr
Feb 24, 3:10 PM PSTWinter Weather AdvisoryOTXAsotin, Garfield32 hr

Nearby

Wind Advisories in Washington, 2018Wind Advisories in Idaho, 2018Every wind advisory in 2018

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.