Alert archive / Washington / Wind Chill Advisories in 2021

Wind Chill Advisory 7, NWS Spokane, WA

December 30, 2021Douglas County, Grant County, Okanogan County, Washington

NWS Spokane, WA issued this wind chill advisory at Dec 30, 2021, 1:49 PM PST for Douglas County, Grant County, Okanogan County, Washington. It took effect at Dec 31, 2021, 12:00 AM PST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 30, 2021, 1:49 PM PST (21:49 UTC)
In effect from
Dec 31, 2021, 12:00 AM PST
Expired
Dec 31, 2021, 12:00 PM PST
In force
12 hr
Issued by
NWS Spokane, WA

Counties Douglas County, WA, Grant County, WA, Okanogan County, WA

The radar

The Spokane radar (KOTX), 151 km from the middle of the area, began a volume at 21:51 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 12:00Z, 9.8 hours before the alert went out and 242 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 2021-12-30Temperature 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 2021-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 280 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
606 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
280 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

971 
WWUS46 KOTX 302149
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
149 PM PST Thu Dec 30 2021

IDZ003-WAZ033-310800-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Idaho Palouse-Washington Palouse-
Including the cities of Potlatch, Rosalia, Plummer, Colfax,
Tekoa, Moscow, Genesee, Uniontown, La Crosse, Pullman, and
Oakesdale
149 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations between 2 and 4 
  inches with local additional accumulations up to 5 inches.

* WHERE...Potlatch, Rosalia, Plummer, Colfax, Tekoa, Moscow, 
  Genesee, Uniontown, La Crosse, Pullman, and Oakesdale.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening commute.

* ADDITIONAL DETAILS...Heaviest snow rates of up to one inch per 
  hour is expected this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

IDZ004-027-310800-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1800Z/
Central Panhandle Mountains-Lewis and Southern Nez Perce Counties-
Including the cities of Fourth Of July Pass, Craigmont,
Winchester, Wallace, Osburn, Nezperce, Dobson Pass, Soldiers
Meadow Road, Kamiah, Kellogg, St. Maries, Fernwood, Lookout Pass,
Mullan, and Pinehurst
149 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

* WHAT...Heavy snow expected. Additional snow accumulations between 
  2 to 5 inches south of the Silver Valley and on the Camas Prairie. 
  Snow totals of 1 to 3 inches from the Silver Valley northward.

* WHERE...Fourth Of July Pass, Craigmont, Winchester, Wallace, 
  Osburn, Nezperce, Dobson Pass, Soldiers Meadow Road, Kamiah, 
  Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst.

* WHEN...Until 10 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening and Friday morning 
  commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

IDZ026-WAZ032-310800-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Lewiston Area-Lower Garfield and Asotin Counties-
Including the cities of Lewiston, Clarkston, Pomeroy, Lewiston
Grade, Gifford, Lapwai, Alpowa Summit, Culdesac, and Peck
149 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Heavy snow expected. Additional snow accumulations between 
  2 and 3 inches with localized additional accumulations of 4 inches 
  possible.

* WHERE...Lewiston, Clarkston, Pomeroy, Lewiston Grade, Gifford, 
  Lapwai, Alpowa Summit, Culdesac, and Peck.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening commute.

* ADDITIONAL DETAILS...Heaviest snow rates of between a half an inch 
  per hour to one inch per hour is expected this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

WAZ031-310800-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Northeast Blue Mountains-
Including the cities of Mountain Road, Anatone, Peola, and
Cloverland Road
149 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations between 2 and 4 
  inches with localized additional accumulations of up to 6 inches.

* WHERE...Mountain Road, Anatone, Peola, and Cloverland Road.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

WAZ043-044-310800-
/O.NEW.KOTX.WC.Y.0007.211231T0800Z-211231T2000Z/
Okanogan Valley-Waterville Plateau-
Including the cities of Disautel Pass, Brewster, Badger Mountain
Road, Omak, Bridgeport, Nespelem, Mansfield, Oroville,
Waterville, and Okanogan
149 PM PST Thu Dec 30 2021

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON PST 
FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 15 
  below zero.

* WHERE...Disautel Pass, Brewster, Badger Mountain Road, Omak, 
  Bridgeport, Nespelem, Mansfield, Oroville, Waterville, and 
  Okanogan.

* WHEN...From Midnight tonight to Noon PST Friday.

* IMPACTS...The dangerously cold wind chills could result in 
  hypothermia or frostbite if precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

&&

$$

IDZ002-WAZ035-036-302300-
/O.CON.KOTX.WW.Y.0049.000000T0000Z-211230T2300Z/
Coeur d'Alene Area-Upper Columbia Basin-Spokane Area-
Including the cities of Rockford, Grand Coulee, Spokane Valley,
Coulee City, Creston, Worley, Coeur d'Alene, Davenport, Cheney,
Fairfield, Hayden, Post Falls, Airway Heights, Harrington,
Odessa, Downtown Spokane, Ritzville, and Wilbur
149 PM PST Thu Dec 30 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS 
AFTERNOON...

* WHAT...Snow. Additional snow accumulations up to two inches.

* WHERE...Rockford, Grand Coulee, Spokane Valley, Coulee City, 
  Creston, Worley, Coeur d'Alene, Davenport, Cheney, Fairfield, 
  Hayden, Post Falls, Airway Heights, Harrington, Odessa, Downtown 
  Spokane, Ritzville, and Wilbur.

* WHEN...Until 3 PM PST this afternoon.

* IMPACTS...Plan on slippery road conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

WAZ034-302300-
/O.CON.KOTX.WW.Y.0049.000000T0000Z-211230T2300Z/
Moses Lake Area-
Including the cities of Ephrata, Othello, Quincy, and Moses Lake
149 PM PST Thu Dec 30 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS 
AFTERNOON...

* WHAT...Snow. Additional snow accumulations up to an inch.

* WHERE...Ephrata, Othello, Quincy, and Moses Lake.

* WHEN...Until 3 PM PST this afternoon.

* IMPACTS...Plan on slippery road conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

WAZ048-310300-
/O.CON.KOTX.WW.Y.0049.000000T0000Z-211231T0300Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
149 PM PST Thu Dec 30 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS 
EVENING...

* WHAT...Snow. Additional snow accumulations up to two inches, 
  however a possible additional accumulation of up to 4 inches is 
  possible near Stevens Pass.

* WHERE...Holden Village, Stehekin, and Stevens Pass.

* WHEN...Until 7 PM PST this evening.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

RP
5 follow-up statements
536 
WWUS46 KOTX 302310
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
310 PM PST Thu Dec 30 2021

IDZ002-WAZ034>036-310015-
/O.EXP.KOTX.WW.Y.0049.000000T0000Z-211230T2300Z/
Coeur d'Alene Area-Moses Lake Area-Upper Columbia Basin-Spokane
Area-
Including the cities of Quincy, Worley, Cheney, Fairfield,
Hayden, Airway Heights, Ephrata, Downtown Spokane, Odessa,
Spokane Valley, Othello, Moses Lake, Rockford, Coulee City,
Wilbur, Coeur d'Alene, Post Falls, Harrington, Davenport, Grand
Coulee, Creston, and Ritzville
310 PM PST Thu Dec 30 2021

...WINTER WEATHER ADVISORY HAS EXPIRED...

Snowfall has ended for the Moses Lake and Upper Columbia Basin area 
had ended however snowfall will continue on just a bit longer for 
the Spokane and Coeur d'Alene areas.

$$

IDZ003-WAZ033-310715-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Idaho Palouse-Washington Palouse-
Including the cities of Potlatch, Rosalia, Plummer, Colfax,
Tekoa, Moscow, Genesee, Uniontown, La Crosse, Pullman, and
Oakesdale
310 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations up to two inches.

* WHERE...Potlatch, Rosalia, Plummer, Colfax, Tekoa, Moscow, 
  Genesee, Uniontown, La Crosse, Pullman, and Oakesdale.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

IDZ004-027-310715-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1800Z/
Central Panhandle Mountains-Lewis and Southern Nez Perce Counties-
Including the cities of Fourth Of July Pass, Craigmont,
Winchester, Wallace, Osburn, Nezperce, Dobson Pass, Soldiers
Meadow Road, Kamiah, Kellogg, St. Maries, Fernwood, Lookout Pass,
Mullan, and Pinehurst
310 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations between 2 and 4 
  inches.

* WHERE...Fourth Of July Pass, Craigmont, Winchester, Wallace, 
  Osburn, Nezperce, Dobson Pass, Soldiers Meadow Road, Kamiah, 
  Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst.

* WHEN...Until 10 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening and Friday morning 
  commutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

IDZ026-WAZ032-310715-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Lewiston Area-Lower Garfield and Asotin Counties-
Including the cities of Lewiston, Clarkston, Pomeroy, Lewiston
Grade, Gifford, Lapwai, Alpowa Summit, Culdesac, and Peck
310 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations between 1 and 3 
  inches.

* WHERE...Lewiston, Clarkston, Pomeroy, Lewiston Grade, Gifford, 
  Lapwai, Alpowa Summit, Culdesac, and Peck.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

WAZ031-310715-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Northeast Blue Mountains-
Including the cities of Mountain Road, Anatone, Peola, and
Cloverland Road
310 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations up to 3 inches.

* WHERE...Mountain Road, Anatone, Peola, and Cloverland Road.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

WAZ048-310300-
/O.CON.KOTX.WW.Y.0049.000000T0000Z-211231T0300Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
310 PM PST Thu Dec 30 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS 
EVENING...

* WHAT...Snow. Additional snow accumulations up to one inch.

* WHERE...Holden Village, Stehekin, and Stevens Pass.

* WHEN...Until 7 PM PST this evening.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

WAZ043-044-310715-
/O.CON.KOTX.WC.Y.0007.211231T0800Z-211231T2000Z/
Okanogan Valley-Waterville Plateau-
Including the cities of Disautel Pass, Brewster, Badger Mountain
Road, Omak, Bridgeport, Nespelem, Mansfield, Oroville,
Waterville, and Okanogan
310 PM PST Thu Dec 30 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 
NOON PST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 15 
  below zero.

* WHERE...Disautel Pass, Brewster, Badger Mountain Road, Omak, 
  Bridgeport, Nespelem, Mansfield, Oroville, Waterville, and 
  Okanogan.

* WHEN...From Midnight tonight to Noon PST Friday.

* IMPACTS...The dangerously cold wind chills could result in 
  hypothermia or frostbite if precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

&&

$$

RP
215 
WWUS46 KOTX 310248
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
648 PM PST Thu Dec 30 2021

WAZ048-310400-
/O.EXP.KOTX.WW.Y.0049.000000T0000Z-211231T0300Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
648 PM PST Thu Dec 30 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING...

Snow is winding down with little in the way of additional snow 
accumulations for the rest of tonight.

$$

IDZ003-WAZ033-311200-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Idaho Palouse-Washington Palouse-
Including the cities of Potlatch, Rosalia, Plummer, Colfax,
Tekoa, Moscow, Genesee, Uniontown, La Crosse, Pullman, and
Oakesdale
648 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations up to one inch.

* WHERE...Potlatch, Rosalia, Plummer, Colfax, Tekoa, Moscow, 
  Genesee, Uniontown, La Crosse, Pullman, and Oakesdale.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

IDZ004-027-311245-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1800Z/
Central Panhandle Mountains-Lewis and Southern Nez Perce Counties-
Including the cities of Fourth Of July Pass, Craigmont,
Winchester, Wallace, Osburn, Nezperce, Dobson Pass, Soldiers
Meadow Road, Kamiah, Kellogg, St. Maries, Fernwood, Lookout Pass,
Mullan, and Pinehurst
648 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches.

* WHERE...Fourth Of July Pass, Craigmont, Winchester, Wallace, 
  Osburn, Nezperce, Dobson Pass, Soldiers Meadow Road, Kamiah, 
  Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst.

* WHEN...Until 10 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Friday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

IDZ026-WAZ032-311200-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Lewiston Area-Lower Garfield and Asotin Counties-
Including the cities of Lewiston, Clarkston, Pomeroy, Lewiston
Grade, Gifford, Lapwai, Alpowa Summit, Culdesac, and Peck
648 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations up to two inches.

* WHERE...Lewiston, Clarkston, Pomeroy, Lewiston Grade, Gifford, 
  Lapwai, Alpowa Summit, Culdesac, and Peck.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Plan on slippery road conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

WAZ031-311200-
/O.CON.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Northeast Blue Mountains-
Including the cities of Mountain Road, Anatone, Peola, and
Cloverland Road
648 PM PST Thu Dec 30 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Heavy snow. Additional snow accumulations up to two inches.

* WHERE...Mountain Road, Anatone, Peola, and Cloverland Road.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions for 
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

WAZ043-044-311245-
/O.CON.KOTX.WC.Y.0007.211231T0800Z-211231T2000Z/
Okanogan Valley-Waterville Plateau-
Including the cities of Disautel Pass, Brewster, Badger Mountain
Road, Omak, Bridgeport, Nespelem, Mansfield, Oroville,
Waterville, and Okanogan
648 PM PST Thu Dec 30 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 
NOON PST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 20 
  below zero.

* WHERE...Disautel Pass, Brewster, Badger Mountain Road, Omak, 
  Bridgeport, Nespelem, Mansfield, Oroville, Waterville, and 
  Okanogan.

* WHEN...From Midnight tonight to Noon PST Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

&&

$$

SVH
573 
WWUS46 KOTX 311157
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
357 AM PST Fri Dec 31 2021

IDZ004-027-311800-
/O.CAN.KOTX.WS.W.0016.000000T0000Z-211231T1800Z/
/O.NEW.KOTX.WW.Y.0050.211231T1157Z-211231T1800Z/
Central Panhandle Mountains-Lewis and Southern Nez Perce Counties-
Including the cities of Fourth Of July Pass, Craigmont,
Winchester, Wallace, Osburn, Nezperce, Dobson Pass, Soldiers
Meadow Road, Kamiah, Kellogg, St. Maries, Fernwood, Lookout Pass,
Mullan, and Pinehurst
357 AM PST Fri Dec 31 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow. Additional snow accumulations up to two inches. 

* WHERE...Fourth Of July Pass, Craigmont, Winchester, Wallace, 
  Osburn, Nezperce, Dobson Pass, Soldiers Meadow Road, Kamiah, 
  Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst.

* WHEN...Until 10 AM PST this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Friday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

IDZ003-026-WAZ031>033-311300-
/O.EXP.KOTX.WS.W.0016.000000T0000Z-211231T1200Z/
Idaho Palouse-Lewiston Area-Northeast Blue Mountains-Lower
Garfield and Asotin Counties-Washington Palouse-
Including the cities of Colfax, Pomeroy, Peola, Cloverland Road,
Moscow, Uniontown, Peck, Oakesdale, Rosalia, Tekoa, Lewiston
Grade, La Crosse, Lapwai, Culdesac, Lewiston, Potlatch,
Clarkston, Plummer, Anatone, Gifford, Genesee, Mountain Road,
Alpowa Summit, and Pullman
357 AM PST Fri Dec 31 2021

...WINTER STORM WARNING WILL EXPIRE AT 4 AM PST EARLY THIS MORNING...

Bands of light snow will linger through mid morning. Additional 
accumulations should remain less than an inch, which could lead to 
some slick winter driving conditions. The threat for significant 
snow has ended.

$$

WAZ043-044-312000-
/O.CON.KOTX.WC.Y.0007.000000T0000Z-211231T2000Z/
Okanogan Valley-Waterville Plateau-
Including the cities of Disautel Pass, Brewster, Badger Mountain
Road, Omak, Bridgeport, Nespelem, Mansfield, Oroville,
Waterville, and Okanogan
357 AM PST Fri Dec 31 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY...

* WHAT...Very cold wind chills. Wind chills as low as 20 below zero.

* WHERE...Disautel Pass, Brewster, Badger Mountain Road, Omak, 
  Bridgeport, Nespelem, Mansfield, Oroville, Waterville, and 
  Okanogan.

* WHEN...Until Noon PST today.

* IMPACTS...The dangerously cold wind chills could result in 
  hypothermia or frostbite if precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

&&

$$

RF
626 
WWUS46 KOTX 311741
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
941 AM PST Fri Dec 31 2021

IDZ004-027-311845-
/O.EXP.KOTX.WW.Y.0050.000000T0000Z-211231T1800Z/
Central Panhandle Mountains-Lewis and Southern Nez Perce Counties-
Including the cities of Fourth Of July Pass, Craigmont,
Winchester, Wallace, Osburn, Nezperce, Dobson Pass, Soldiers
Meadow Road, Kamiah, Kellogg, St. Maries, Fernwood, Lookout Pass,
Mullan, and Pinehurst
941 AM PST Fri Dec 31 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

The threat has ended. Isolated brief periods of light snowfall will 
continue but little to no accumulation expected.

$$

WAZ043-044-312000-
/O.CON.KOTX.WC.Y.0007.000000T0000Z-211231T2000Z/
Okanogan Valley-Waterville Plateau-
Including the cities of Disautel Pass, Brewster, Badger Mountain
Road, Omak, Bridgeport, Nespelem, Mansfield, Oroville,
Waterville, and Okanogan
941 AM PST Fri Dec 31 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY...

* WHAT...Very cold wind chills. Wind chills as low as 10 below zero.

* WHERE...Disautel Pass, Brewster, Badger Mountain Road, Omak, 
  Bridgeport, Nespelem, Mansfield, Oroville, Waterville, and 
  Okanogan.

* WHEN...Until Noon PST today.

* IMPACTS...The cold wind chills could result in hypothermia if 
  precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a 
hat, and gloves.

&&

$$

JCLEV
220 
WWUS46 KOTX 311936
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
1136 AM PST Fri Dec 31 2021

WAZ043-044-312045-
/O.EXP.KOTX.WC.Y.0007.000000T0000Z-211231T2000Z/
Okanogan Valley-Waterville Plateau-
Including the cities of Disautel Pass, Brewster, Badger Mountain
Road, Omak, Bridgeport, Nespelem, Mansfield, Oroville,
Waterville, and Okanogan
1136 AM PST Fri Dec 31 2021

...WIND CHILL ADVISORY WILL EXPIRE AT NOON PST TODAY...

Localized wind chills to near -10F will continue this afternoon with 
most towns expected to have wind chills between -10F AND 0F.

$$

JW

Nearby

Wind Chill Advisories in Washington, 2021Every wind chill advisory in 2021

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.