Alert archive / Washington / Winter Storm Warnings in 2021

Winter Storm Warning 6, NWS Seattle, WA

February 7, 2021

NWS Seattle, WA issued this winter storm warning at Feb 7, 2021, 3:14 AM PST. It took effect at Feb 7, 2021, 4:00 AM PST. It was in force for 27 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 7, 2021, 3:14 AM PST (11:14 UTC)
In effect from
Feb 7, 2021, 4:00 AM PST
Expired
Feb 8, 2021, 7:00 AM PST
In force
27 hr
Issued by
NWS Seattle, WA

The text

As transmitted.

825 
WWUS46 KSEW 071114
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
314 AM PST Sun Feb 7 2021

WAZ568-071915-
/O.UPG.KSEW.WW.Y.0010.000000T0000Z-210207T1800Z/
/O.NEW.KSEW.WS.W.0006.210207T1200Z-210208T0000Z/
Cascades of Snohomish and King Counties-
including Stevens Pass and Snoqualmie Pass
314 AM PST Sun Feb 7 2021

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM PST THIS AFTERNOON
ABOVE 3000 FEET...

* WHAT...Heavy snow expected above 3000 feet. Total snow
  accumulations of 2 to 9 inches.

* WHERE...Cascade mountains and valleys of Snohomish and King
  Counties, including Stevens Pass, and Snoqualmie Pass.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow is expected to continue throughout
  much of the day due to the convergence zone setting up over
  Stevens and Snoqualmie passes. Snow will be heavy at times.
  Visibility will decrease due to the falling snow and the wind
  blowing it around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

WAZ567-569-071800-
/O.CON.KSEW.WW.Y.0010.000000T0000Z-210207T1800Z/
Cascades of Whatcom and Skagit Counties-
Cascades of Pierce and Lewis Counties-
including Paradise
314 AM PST Sun Feb 7 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 3000 FEET...

* WHAT...Snow continued above 3000 feet. Additional snow 
  accumulations of up to 3 inches.

* WHERE...Cascade mountains and valleys of Whatcom and Skagit
  Counties, including the Mount Baker Ski Area. Cascade mountains
  and valleys of Pierce and Lewis Counties, including the Crystal
  Mountain Ski Area, Paradise on Mount Rainier.

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

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow will gradually be tapering off 
  throughout the morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

www.weather.gov/seattle
4 follow-up statements
491 
WWUS46 KSEW 071655
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
855 AM PST Sun Feb 7 2021

WAZ568-080000-
/O.EXT.KSEW.WS.W.0006.000000T0000Z-210208T1500Z/
Cascades of Snohomish and King Counties-
including Darrington, Baring, Stevens Pass, Skykomish, 
and Snoqualmie Pass
855 AM PST Sun Feb 7 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 AM PST MONDAY...

* WHAT...Heavy snow continued. Additional snow accumulations 4 to
  12 inches. 

* WHERE...Cascade mountains and valleys of Snohomish and King 
  Counties, including Darrington, Index, Skykomish, Stevens 
  Pass, and Snoqualmie Pass.

* WHEN...Until 7 AM PST Monday.

* 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. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

WAZ567-569-071800-
/O.CON.KSEW.WW.Y.0010.000000T0000Z-210207T1800Z/
Cascades of Whatcom and Skagit Counties-
Cascades of Pierce and Lewis Counties-
including Paradise
855 AM PST Sun Feb 7 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 3000 FEET...

* WHAT...Snow continued above 3000 feet. Additional snow 
  accumulations of up to one inch.

* WHERE...Cascade mountains and valleys of Whatcom and Skagit 
  Counties, including Maple Falls, the Mount Baker Ski Area, 
  Newhalem, Lyman, and Concrete and Cascade mountains and 
  valleys of Pierce and Lewis Counties, including the Crystal 
  Mountain Ski Area, Paradise on Mount Rainier, Ashford, Randle, 
  and Packwood.

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

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

www.weather.gov/seattle
436 
WWUS46 KSEW 072057
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
1257 PM PST Sun Feb 7 2021

WAZ568-081200-
/O.CON.KSEW.WS.W.0006.000000T0000Z-210208T1500Z/
Cascades of Snohomish and King Counties-
including Darrington, Baring, Stevens Pass, Skykomish, 
and Snoqualmie Pass
1257 PM PST Sun Feb 7 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST MONDAY...

* WHAT...Heavy snow continued. Additional snow accumulations of 2
  to 12 inches.

* WHERE...Cascade mountains and valleys of Snohomish and King 
  Counties, including Darrington, Index, Skykomish, Stevens 
  Pass, and Snoqualmie Pass.

* WHEN...Until 7 AM PST Monday.

* 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. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

WAZ555-081200-
/O.NEW.KSEW.WW.Y.0011.210208T0200Z-210208T1500Z/
East Puget Sound Lowlands-
including Bonney Lake, Maple Valley, Monroe, Woodinville, 
Arlington, Granite Falls, Lake Stevens, Snohomish, Gold Bar, 
Duvall, Carnation, Fall City, Snoqualmie, North Bend, Covington, 
Black Diamond, Orting, and Eatonville
1257 PM PST Sun Feb 7 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
7 AM PST MONDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 
  inches.
 
* WHERE...East Puget Sound Lowlands from Snohomish County to 
  Pierce County, including Arlington, Gold Bar, Duvall, 
  Snoqualmie, Buckley, North Bend and Eatonville.

* WHEN...From 6 PM this evening to 7 AM PST Monday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Convergence Zone showers are possible
  tonight with low snow levels. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

www.weather.gov/seattle
480 
WWUS46 KSEW 080259
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
659 PM PST Sun Feb 7 2021

WAZ568-081500-
/O.CON.KSEW.WS.W.0006.000000T0000Z-210208T1500Z/
Cascades of Snohomish and King Counties-
including Darrington, Baring, Stevens Pass, Skykomish, 
and Snoqualmie Pass
659 PM PST Sun Feb 7 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST MONDAY...

* WHAT...Heavy snow continued. Additional snow accumulations of 
  2 to 7 inches.

* WHERE...Cascade mountains and valleys of Snohomish and King 
  Counties, including Darrington, Index, Skykomish, Stevens 
  Pass, and Snoqualmie Pass.

* WHEN...Until 7 AM PST Monday.

* IMPACTS...Plan on snow-covered or icy roads and possible travel
  delays.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

WAZ555-081500-
/O.CON.KSEW.WW.Y.0011.000000T0000Z-210208T1500Z/
East Puget Sound Lowlands-
including Bonney Lake, Maple Valley, Monroe, Woodinville, 
Arlington, Granite Falls, Lake Stevens, Snohomish, Gold Bar, 
Duvall, Carnation, Fall City, Snoqualmie, North Bend, Covington, 
Black Diamond, Orting, and Eatonville
659 PM PST Sun Feb 7 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST
MONDAY...

* WHAT...Snow possible. Spotty snow accumulations of 1 to 3 
  inches. Widespread accumulations are not expected.

* WHERE...East Puget Sound Lowlands from Snohomish County to 
  Pierce County, including Arlington, Gold Bar, Duvall, 
  Snoqualmie, Buckley, North Bend and Eatonville.

* WHEN...Until 7 AM PST Monday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Convergence Zone showers will continue
  tonight. Snow levels may lower to 500 to 1000 feet, potentially
  slightly lower in heavier showers.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

www.weather.gov/seattle
940 
WWUS46 KSEW 081229
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
429 AM PST Mon Feb 8 2021

WAZ568-082030-
/O.EXB.KSEW.WW.Y.0011.210208T1500Z-210209T0000Z/
/O.CON.KSEW.WS.W.0006.000000T0000Z-210208T1500Z/
Cascades of Snohomish and King Counties-
including Darrington, Index, Baring, Stevens Pass, Skykomish, 
and Snoqualmie Pass
429 AM PST Mon Feb 8 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS
MORNING...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* WHAT...For the Winter Storm Warning, heavy snow continued. 
  Additional snow accumulations of up to one inch. For the 
  Winter Weather Advisory, snow expected. Total snow 
  accumulations of up to one inch.

* WHERE...Cascade mountains and valleys of Snohomish and King 
  Counties, including Darrington, Index, Skykomish, Stevens 
  Pass, and Snoqualmie Pass.

* WHEN...For the Winter Storm Warning, until 7 AM PST this 
  morning. For the Winter Weather Advisory, until 4 PM PST this 
  afternoon.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow intensity will vary throughout the
  morning before tapering off during the afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

WAZ555-082030-
/O.EXT.KSEW.WW.Y.0011.000000T0000Z-210209T0000Z/
East Puget Sound Lowlands-
including Bonney Lake, Maple Valley, Monroe, Woodinville, 
Arlington, Granite Falls, Lake Stevens, Snohomish, Gold Bar, 
Duvall, Carnation, Fall City, Snoqualmie, North Bend, Covington, 
Black Diamond, Orting, and Eatonville
429 AM PST Mon Feb 8 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

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

* WHERE...East Puget Sound Lowlands from Snohomish County to 
  Pierce County, including Arlington, Gold Bar, Duvall, 
  Snoqualmie, Buckley, and Eatonville.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Snow intensity will be variable throughout
  the morning before tapering off during the afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions in Washington state, call 5 1 1.

&&

$$

www.weather.gov/seattle

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 6, 5:55 PM PSTSmall Craft AdvisorySEW34 hr
Feb 7, 12:57 PM PSTWinter Weather AdvisorySEW23 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.