Alert archive / Washington / Winter Storm Warnings in 2021

Winter Storm Warning 14, NWS Spokane, WA

December 21, 2021Chelan County, Washington

NWS Spokane, WA issued this winter storm warning at Dec 21, 2021, 2:33 PM PST for Chelan County, Washington. It took effect at Dec 22, 2021, 4:00 AM PST. It was in force for 47 hr. 9 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 21, 2021, 2:33 PM PST (22:33 UTC)
In effect from
Dec 22, 2021, 4:00 AM PST
Expired
Dec 24, 2021, 3:22 AM PST
In force
47 hr
Issued by
NWS Spokane, WA

County Chelan County, WA

The radar

The Seattle radar (KATX), 144 km from the middle of the area, began a volume at 22:36 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.

What was reported inside it

TimeReportWhereRemark
Dec 22, 6:00 AM PSTSNOW 512 Nnw Lucerne, WACO-OP OBSERVER STATION STEW1 STEHEKIN COOP.
Dec 22, 7:00 AM PSTSNOW 31 Nnw Plain, WACOCORAHS STATION WA-CH-33 12.4 N LEAVENWORTH.
Dec 22, 8:00 AM PSTSNOW 59 W Lucerne, WACO-OP OBSERVER STATION HLDW1 8.6 W LUCERNE.
Dec 22, 9:00 AM PSTSNOW 3.22 N Plain, WACO-OP OBSERVER STATION PLNW1 2.0 N PLAIN.
Dec 22, 11:30 AM PSTSNOW 5Stevens Pass, WAREPORTED AT STEVENS PASS. 24 HOUR TOTAL ENDING AT 6AM.
Dec 23, 6:00 AM PSTSNOW 10Stevens Pass, WA
Dec 23, 7:00 AM PSTSNOW 4Lake Wenatchee, WA
Dec 23, 8:00 AM PSTSNOW 129 W Lucerne, WACO-OP OBSERVER STATION HLDW1 8.6 W LUCERNE.
Dec 23, 9:00 AM PSTSNOW 812 Nnw Lucerne, WACO-OP OBSERVER STATION STEW1 STEHEKIN COOP.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Quillayute State, WA (KUIL), launched 12:00Z, 10.6 hours before the alert went out and 289 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, Quillayute State, WA at 12:00Z on 2021-12-21Temperature 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, Quillayute State, WA at 12:00Z on 2021-12-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.193958Sfc1 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
411 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

233 
WWUS46 KOTX 212233
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
233 PM PST Tue Dec 21 2021

WAZ048-221515-
/O.UPG.KOTX.WS.A.0010.211222T1200Z-211223T1200Z/
/O.NEW.KOTX.WS.W.0014.211222T1200Z-211223T1200Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
233 PM PST Tue Dec 21 2021

...WINTER STORM WARNING IN EFFECT FROM 4 AM WEDNESDAY TO 4 AM PST 
THURSDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 10 
  and 18 inches. Winds gusting as high as 35 mph.

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

* WHEN...From 4 AM Wednesday to 4 AM PST Thursday.

* IMPACTS...Winter driving conditions are possible. This may impact 
  the Wednesday morning and evening 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.

&&

$$

IDZ001-WAZ037-221515-
/O.UPG.KOTX.WS.A.0010.211222T0600Z-211222T2000Z/
/O.NEW.KOTX.WW.Y.0044.211222T0600Z-211222T2000Z/
Northern Panhandle-Northeast Mountains-
Including the cities of Eastport, Sandpoint, Colville, Northport,
Bonners Ferry, Orin-Rice Road, Athol, Newport, Flowery Trail
Road, Chewelah, Deer Park, Springdale-Hunters Road, Kettle Falls,
Schweitzer Mountain Road, and Priest River
233 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON 
PST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 9 
  inches.

* WHERE...Eastport, Sandpoint, Colville, Northport, Bonners Ferry, 
  Orin-Rice Road, Athol, Newport, Flowery Trail Road, Chewelah, Deer 
  Park, Springdale-Hunters Road, Kettle Falls, Schweitzer Mountain 
  Road, and Priest River.

* WHEN...From 10 PM this evening to Noon PST Wednesday.

* IMPACTS...Winter driving conditions are possible. This could 
  impact the Wednesday 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.

&&

$$

IDZ002-WAZ035-036-221515-
/O.NEW.KOTX.WW.Y.0044.211222T0600Z-211222T2000Z/
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
233 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON 
PST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 1 and 3 
  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...From 10 PM this evening to Noon PST Wednesday.

* IMPACTS...Winter driving conditions are possible. This could 
  impact the Wednesday 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.

&&

$$

CD
11 follow-up statements
079 
WWUS46 KOTX 212248
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
248 PM PST Tue Dec 21 2021

WAZ048-221500-
/O.CON.KOTX.WS.W.0014.211222T1200Z-211223T1200Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
248 PM PST Tue Dec 21 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO 4 
AM PST THURSDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 10 
  and 18 inches. Winds gusting as high as 35 mph.

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

* WHEN...From 4 AM Wednesday to 4 AM PST Thursday.

* IMPACTS...Winter driving conditions are possible. This may impact 
  the Wednesday morning and evening 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.

&&

$$

IDZ004-221500-
/O.NEW.KOTX.WW.Y.0045.211223T0000Z-211223T1200Z/
Central Panhandle Mountains-
Including the cities of Lookout Pass, Dobson Pass, and Mullan
248 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM WEDNESDAY TO 4 AM PST 
THURSDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 4 
  inches for locations above 3000 feet.

* WHERE...Lookout Pass, Dobson Pass, and Mullan.

* WHEN...From 4 PM Wednesday to 4 AM PST Thursday.

* IMPACTS...Winter driving conditions are possible. This may impact 
  the Wednesday morning and evening commutes.

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.

&&

$$

IDZ001-WAZ037-221500-
/O.CON.KOTX.WW.Y.0044.211222T0600Z-211222T2000Z/
Northern Panhandle-Northeast Mountains-
Including the cities of Eastport, Sandpoint, Colville, Northport,
Bonners Ferry, Orin-Rice Road, Athol, Newport, Flowery Trail
Road, Chewelah, Deer Park, Springdale-Hunters Road, Kettle Falls,
Schweitzer Mountain Road, and Priest River
248 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING 
TO NOON PST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 9 
  inches.

* WHERE...Eastport, Sandpoint, Colville, Northport, Bonners Ferry, 
  Orin-Rice Road, Athol, Newport, Flowery Trail Road, Chewelah, Deer 
  Park, Springdale-Hunters Road, Kettle Falls, Schweitzer Mountain 
  Road, and Priest River.

* WHEN...From 10 PM this evening to Noon PST Wednesday.

* IMPACTS...Winter driving conditions are possible. This could 
  impact the Wednesday 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.

&&

$$

IDZ002-WAZ035-036-221500-
/O.CON.KOTX.WW.Y.0044.211222T0600Z-211222T2000Z/
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
248 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING 
TO NOON PST WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 1 and 3 
  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...From 10 PM this evening to Noon PST Wednesday.

* IMPACTS...Winter driving conditions are possible. This could 
  impact the Wednesday 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.

&&

$$

CD
170 
WWUS46 KOTX 221204
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
404 AM PST Wed Dec 22 2021

WAZ035-221315-
/O.CAN.KOTX.WW.Y.0044.000000T0000Z-211222T2000Z/
Upper Columbia Basin-
404 AM PST Wed Dec 22 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The snow has ended. 

$$

IDZ004-221315-
/O.CAN.KOTX.WW.Y.0045.211223T0000Z-211223T1200Z/
Central Panhandle Mountains-
Including the cities of Lookout Pass, Dobson Pass, and Mullan
404 AM PST Wed Dec 22 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The snow amounts tonight have trended lighter. There is the 
potential for significant snowfall Thursday evening.

$$

WAZ048-222015-
/O.EXT.KOTX.WS.W.0014.000000T0000Z-211223T1800Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
404 AM PST Wed Dec 22 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM PST THURSDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 10 to 
  20 inches. Winds gusting as high as 35 mph.

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

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Winter driving conditions are possible. This may impact 
  travel.

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.

&&

$$

IDZ001-WAZ037-221400-
/O.EXT.KOTX.WW.Y.0044.000000T0000Z-211222T1400Z/
Northern Panhandle-Northeast Mountains-
Including the cities of Eastport, Sandpoint, Colville, Northport,
Bonners Ferry, Orin-Rice Road, Athol, Newport, Flowery Trail
Road, Chewelah, Deer Park, Springdale-Hunters Road, Kettle Falls,
Schweitzer Mountain Road, and Priest River
404 AM PST Wed Dec 22 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM PST EARLY THIS 
MORNING...

* WHAT...There will be additional snow accumulations between 4AM and 
  6AM. Possible additional snow accumulations of 1 to 3 inches. 
  Wintry conditions will continue.

* WHERE...Eastport, Sandpoint, Colville, Northport, Bonners Ferry, 
  Athol, Newport, Chewelah, Deer Park, Kettle Falls, Schweitzer 
  Mountain Road, and Priest River.

* WHEN...Until 6 AM PST early this morning.

* IMPACTS...Winter driving conditions are possible. This could 
  impact the Wednesday 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.

&&

$$

IDZ002-WAZ036-221400-
/O.EXT.KOTX.WW.Y.0044.000000T0000Z-211222T1400Z/
Coeur d'Alene Area-Spokane Area-
Including the cities of Rockford, Spokane Valley, Worley, Coeur
d'Alene, Cheney, Fairfield, Hayden, Post Falls, Airway Heights,
Downtown Spokane, and Davenport
404 AM PST Wed Dec 22 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM PST EARLY THIS 
MORNING...

* WHAT...There will be additional snow accumulations between 4AM and 
  6AM. Wintry conditions will continue.

* WHERE...Spokane, Rockford, Spokane Valley, Coeur d'Alene, Cheney, 
  Hayden, Post Falls, Airway Heights, and Davenport.

* WHEN...Until 6 AM PST early this morning.

* IMPACTS...Winter driving conditions are possible. This could 
  impact the Wednesday 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.

&&

$$

JS
241 
WWUS46 KOTX 221348
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
548 AM PST Wed Dec 22 2021

IDZ001-002-WAZ036-037-221500-
/O.EXP.KOTX.WW.Y.0044.000000T0000Z-211222T1400Z/
Northern Panhandle-Coeur d'Alene Area-Spokane Area-Northeast
Mountains-
Including the cities of Chewelah, Worley, Cheney, Flowery Trail
Road, Fairfield, Orin-Rice Road, Hayden, Airway Heights, Downtown
Spokane, Spokane Valley, Colville, Northport, Bonners Ferry,
Athol, Springdale-Hunters Road, Kettle Falls, Rockford,
Sandpoint, Coeur d'Alene, Eastport, Post Falls, Newport,
Davenport, Schweitzer Mountain Road, Priest River, and Deer Park
548 AM PST Wed Dec 22 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 AM PST EARLY THIS 
MORNING...

The threat has ended.

$$

WAZ048-222200-
/O.CON.KOTX.WS.W.0014.000000T0000Z-211223T1800Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
548 AM PST Wed Dec 22 2021

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

* WHAT...Heavy snow expected. Total snow accumulations between 10 to 
  20 inches. Winds gusting as high as 35 mph.

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

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Winter driving conditions are possible. This may impact 
  travel.

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.

&&

$$

JS
657 
WWUS46 KOTX 222118
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
118 PM PST Wed Dec 22 2021

WAZ048-230600-
/O.CON.KOTX.WS.W.0014.000000T0000Z-211223T1800Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
118 PM PST Wed Dec 22 2021

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

* WHAT...Heavy snow. Additional snow accumulations of 8 to 12 
  inches. Winds gusting as high as 35 mph over the high terrain.

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

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Winter driving conditions will continue.

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.

&&

$$

RJ
929 
WWUS46 KOTX 230549
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
949 PM PST Wed Dec 22 2021

WAZ048-231800-
/O.CON.KOTX.WS.W.0014.000000T0000Z-211223T1800Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
949 PM PST Wed Dec 22 2021

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

* WHAT...Heavy snow. Additional snow accumulations of 8 to 12 
  inches. Winds gusting as high as 35 mph over the high terrain.

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

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Winter driving conditions will continue.

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.

&&

$$
978 
WWUS46 KOTX 231211
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
411 AM PST Thu Dec 23 2021

WAZ048-231800-
/O.CON.KOTX.WS.W.0014.000000T0000Z-211223T1800Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
411 AM PST Thu Dec 23 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS 
MORNING...

* WHAT...Heavy snow. Additional snow accumulations between 5 and 8 
  inches this morning.

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

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

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

* ADDITIONAL DETAILS...A burst of heavy snow this morning leading to 
  visibility reductions and accumulations of 1 to 2 inches per hour 
  at Steven Pass. Periods of light to moderate snow will likely 
  redevelop in the afternoon and the evening with an additional 3 to 
  6 inches by Friday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The latest road conditions for the state you are calling from can be 
obtained by calling 5 1 1.

&&

$$

GKOCH
232 
WWUS46 KOTX 231714
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
914 AM PST Thu Dec 23 2021

WAZ048-240315-
/O.EXT.KOTX.WS.W.0014.000000T0000Z-211224T1200Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
914 AM PST Thu Dec 23 2021

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

* WHAT...Heavy snow. Additional snow accumulations around 8 inches 
  at Stevens Pass, and 2 to 6 inches of snow at Stekekin and Holden 
  Village.

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

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Travel could be very difficult. 

* ADDITIONAL DETAILS...Snow will be showery in nature this afternoon 
  and evening, but another band of heavy snow will move through the 
  Cascades overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The latest road conditions for the state you are calling from can be 
obtained by calling 5 1 1.


&&

$$

RJ
806 
WWUS46 KOTX 232053
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
1253 PM PST Thu Dec 23 2021

WAZ048-240600-
/O.CON.KOTX.WS.W.0014.000000T0000Z-211224T1200Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
1253 PM PST Thu Dec 23 2021

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

* WHAT...Heavy snow. Additional snow accumulations between 2 and 10 
  inches. Winds gusting as high as 35 mph.

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

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Travel could be very difficult. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The latest road conditions for the state you are calling from can be 
obtained by calling 5 1 1.


&&

$$

IDZ004-240600-
/O.NEW.KOTX.WW.Y.0046.211223T2053Z-211224T1800Z/
Central Panhandle Mountains-
Including the cities of Fourth Of July Pass, Wallace, Osburn,
Dobson Pass, Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan,
and Pinehurst
1253 PM PST Thu Dec 23 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY...

* WHAT...Snow. Additional snow accumulations 2 to 3 inches in the 
  valleys and 4 to 8 inches in the mountains. Winds gusting as high 
  as 35 mph in the higher terrain.

* WHERE...Fourth Of July Pass, Wallace, Osburn, Dobson Pass, 
  Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst.

* WHEN...Until 10 AM PST Friday.

* IMPACTS...Roads, and especially bridges and overpasses, will 
  likely become slick and hazardous. 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.

&&

$$

RJ
546 
WWUS46 KOTX 232301
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
301 PM PST Thu Dec 23 2021

IDZ001-WAZ037-240715-
/O.NEW.KOTX.WS.W.0015.211225T1200Z-211227T1200Z/
Northern Panhandle-Northeast Mountains-
Including the cities of Eastport, Sandpoint, Colville, Northport,
Bonners Ferry, Orin-Rice Road, Athol, Newport, Flowery Trail
Road, Chewelah, Deer Park, Springdale-Hunters Road, Kettle Falls,
Schweitzer Mountain Road, and Priest River
301 PM PST Thu Dec 23 2021

...WINTER STORM WARNING IN EFFECT FROM 4 AM SATURDAY TO 4 AM PST 
MONDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 10 
  and 20 inches with locally higher amounts expected.

* WHERE...Eastport, Sandpoint, Colville, Northport, Bonners Ferry, 
  Orin-Rice Road, Athol, Newport, Flowery Trail Road, Chewelah, Deer 
  Park, Springdale-Hunters Road, Kettle Falls, Schweitzer Mountain 
  Road, and Priest River.

* WHEN...From 4 AM Saturday to 4 AM PST Monday.

* IMPACTS...Travel could be very difficult at times. 

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.


&&

$$

WAZ048-240715-
/O.CON.KOTX.WS.W.0014.000000T0000Z-211224T1200Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
301 PM PST Thu Dec 23 2021

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

* WHAT...Heavy snow. Additional snow accumulations between 1 and 8 
  inches. Winds gusting as high as 35 mph.

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

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Travel could be very difficult. 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.

Persons should delay all travel if possible. If travel is absolutely 
necessary, drive with extreme caution and be prepared for sudden 
changes in visibility. Leave plenty of room between you and the 
motorist ahead of you, and allow extra time to reach your 
destination. Avoid sudden braking or acceleration, and be especially 
cautious on hills or when making turns. Make sure your car is 
winterized and in good working order.

&&

$$

IDZ004-240715-
/O.CON.KOTX.WW.Y.0046.000000T0000Z-211224T1800Z/
Central Panhandle Mountains-
Including the cities of Fourth Of July Pass, Wallace, Osburn,
Dobson Pass, Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan,
and Pinehurst
301 PM PST Thu Dec 23 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST 
FRIDAY...

* WHAT...Snow. Additional snow accumulations between 1 and 7 inches. 
  Winds gusting as high as 35 mph.

* WHERE...Fourth Of July Pass, Wallace, Osburn, Dobson Pass, 
  Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst.

* WHEN...Until 10 AM PST Friday.

* IMPACTS...Roads, and especially bridges and overpasses, will 
  likely become slick and hazardous. Travel could be very difficult. 
  The hazardous conditions could impact the Thursday evening and 
  Friday morning commutes.

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.

&&

$$

RJ
540 
WWUS46 KOTX 232327
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
327 PM PST Thu Dec 23 2021

IDZ001-WAZ037-241200-
/O.EXT.KOTX.WS.W.0015.211224T1200Z-211227T1200Z/
Northern Panhandle-Northeast Mountains-
Including the cities of Eastport, Sandpoint, Colville, Northport,
Bonners Ferry, Orin-Rice Road, Athol, Newport, Flowery Trail
Road, Chewelah, Deer Park, Springdale-Hunters Road, Kettle Falls,
Schweitzer Mountain Road, and Priest River
327 PM PST Thu Dec 23 2021

...WINTER STORM WARNING NOW IN EFFECT FROM 4 AM FRIDAY TO 4 AM PST 
MONDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 10 
  and 20 inches with locally higher amounts expected.

* WHERE...Eastport, Sandpoint, Colville, Northport, Bonners Ferry, 
  Orin-Rice Road, Athol, Newport, Flowery Trail Road, Chewelah, Deer 
  Park, Springdale-Hunters Road, Kettle Falls, Schweitzer Mountain 
  Road, and Priest River.

* WHEN...From 4 AM Friday to 4 AM PST Monday.

* IMPACTS...Travel could be very difficult at times. 

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.


&&

$$

WAZ048-241200-
/O.CON.KOTX.WS.W.0014.000000T0000Z-211224T1200Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
327 PM PST Thu Dec 23 2021

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

* WHAT...Heavy snow. Additional snow accumulations between 2 and 10 
  inches. Winds gusting as high as 35 mph.

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

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Travel could be very difficult. 

* ADDITIONAL DETAILS...Snow will be showery in nature this afternoon 
  and evening, but another band of heavy snow will move through the 
  Cascades overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The latest road conditions for the state you are calling from can be 
obtained by calling 5 1 1.


&&

$$

IDZ004-241200-
/O.CON.KOTX.WW.Y.0046.000000T0000Z-211224T1800Z/
Central Panhandle Mountains-
Including the cities of Fourth Of July Pass, Wallace, Osburn,
Dobson Pass, Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan,
and Pinehurst
327 PM PST Thu Dec 23 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST 
FRIDAY...

* WHAT...Snow. Additional snow accumulations 1 to 3 inches in the 
  valleys and 4 to 7 inches in the mountains. Winds gusting as high 
  as 35 mph in the higher terrain.

* WHERE...Fourth Of July Pass, Wallace, Osburn, Dobson Pass, 
  Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst.

* WHEN...Until 10 AM PST Friday.

* IMPACTS...Roads, and especially bridges and overpasses, will 
  likely become slick and hazardous. 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.

&&

$$

JW
031 
WWUS46 KOTX 241122
WSWOTX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
322 AM PST Fri Dec 24 2021

WAZ048-241800-
/O.CAN.KOTX.WS.W.0014.000000T0000Z-211224T1200Z/
/O.EXA.KOTX.WW.Y.0046.000000T0000Z-211224T1800Z/
Western Chelan County-
Including the cities of Holden Village, Stehekin, and Stevens
Pass
322 AM PST Fri Dec 24 2021

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

* WHAT...Snow. Additional snow accumulations between 2 and 5 inches.

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

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

* IMPACTS...Plan on slippery road conditions. Travel could be very 
  difficult.

* ADDITIONAL DETAILS...Snow will be showery in nature, with the next 
  band of heavy snow moving through the Cascades this morning.

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.

&&

$$

IDZ001-WAZ037-250600-
/O.CON.KOTX.WS.W.0015.211224T1200Z-211227T1200Z/
Northern Panhandle-Northeast Mountains-
Including the cities of Eastport, Sandpoint, Colville, Northport,
Bonners Ferry, Orin-Rice Road, Athol, Newport, Flowery Trail
Road, Chewelah, Deer Park, Springdale-Hunters Road, Kettle Falls,
Schweitzer Mountain Road, and Priest River
322 AM PST Fri Dec 24 2021

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

* WHAT...Heavy snow expected. Total snow accumulations between 10 
  and 22 inches.

* WHERE...Eastport, Sandpoint, Colville, Northport, Bonners Ferry, 
  Orin-Rice Road, Athol, Newport, Flowery Trail Road, Chewelah, Deer 
  Park, Springdale-Hunters Road, Kettle Falls, Schweitzer Mountain 
  Road, and Priest River.

* WHEN...Until 4 AM PST Monday.

* IMPACTS...Travel could be very difficult at times. 

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.


&&

$$

IDZ004-250600-
/O.EXT.KOTX.WW.Y.0046.000000T0000Z-211225T0600Z/
Central Panhandle Mountains-
Including the cities of Fourth Of July Pass, Wallace, Osburn,
Dobson Pass, Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan,
and Pinehurst
322 AM PST Fri Dec 24 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS 
EVENING...

* WHAT...Snow. Additional snow accumulations between 1 to 3 inches 
  in the valleys and 2 to 8 inches in the mountains.

* WHERE...Fourth Of July Pass, Wallace, Osburn, Dobson Pass, 
  Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Roads, and especially bridges and overpasses, will 
  likely become slick and hazardous. 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.

&&

$$

CD

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 21, 4:33 AM PSTWinter Storm WatchOTXChelan, Pend Oreille, Spokane, Stevens10 hr
Dec 21, 2:33 PM PSTWinter Weather AdvisoryOTXAdams, Douglas, Grant, Lincoln, Okanogan, Pend Oreille and 2 more15 hr

Nearby

Winter Storm Warnings in Washington, 2021Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.