Alert archive / Washington / Winter Storm Warnings in 2021
Winter Storm Warning 1, NWS Seattle, WA
NWS Seattle, WA issued this winter storm warning at Jan 2, 2021, 3:19 AM PST. It took effect at Jan 2, 2021, 10:00 AM PST. It was in force for 20 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
- Jan 2, 2021, 3:19 AM PST (11:19 UTC)
- In effect from
- Jan 2, 2021, 10:00 AM PST
- Expired
- Jan 3, 2021, 5:49 AM PST
- In force
- 20 hr
- Issued by
- NWS Seattle, WA
The text
As transmitted.
874 WWUS46 KSEW 021119 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 319 AM PST Sat Jan 2 2021 WAZ567-569-030000- /O.NEW.KSEW.WS.W.0001.210102T1800Z-210103T1800Z/ Cascades of Whatcom and Skagit Counties- Cascades of Pierce and Lewis Counties- including Paradise and Longmire 319 AM PST Sat Jan 2 2021 ...WINTER STORM WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 AM PST SUNDAY ABOVE 2500 FEET... * WHAT...Heavy snow expected above 2500 feet. Total snow accumulations of 15 to 25 inches. Winds gusting as high as 40 mph. * 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...From 10 AM this morning to 10 AM PST Sunday. * IMPACTS...Travel could be very difficult. Travelers should be prepared for winter driving 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. && $$ WAZ568-030000- /O.NEW.KSEW.WW.Y.0001.210102T1800Z-210103T1800Z/ Cascades of Snohomish and King Counties- including Stevens Pass and Snoqualmie Pass 319 AM PST Sat Jan 2 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 AM PST SUNDAY ABOVE 2500 FEET... * WHAT...Snow expected above 2500 feet. Total snow accumulations of 3 to 15 inches. Snow may mix with and/or change to rain for a period of time late this afternoon and evening before changing back to snow overnight tonight. Snow may be heavy at times overnight. * WHERE...Cascade mountains and valleys of Snohomish and King Counties, including Darrington, Index, Skykomish, Stevens Pass, and Snoqualmie Pass. * WHEN...From 10 AM this morning to 10 AM PST Sunday. * IMPACTS...Travel could be very difficult. Travelers should be prepared for winter driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest road conditions in Washington state, call 5 1 1. && $$ WAZ513-030000- /O.NEW.KSEW.WW.Y.0001.210102T1200Z-210103T0600Z/ Olympics- 319 AM PST Sat Jan 2 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 4000 FEET... * WHAT...Snow expected above 4000 feet. Total snow accumulations of 5 to 15 inches. Winds gusting as high as 40 mph. * WHERE...Olympic mountains and valleys, including Hurricane Ridge, Amanda Park, and Quinault. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be very difficult. Travelers should be prepared for winter driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest road conditions in Washington state, call 5 1 1. && $$ www.weather.gov/seattle
3 follow-up statements
844 WWUS46 KSEW 022247 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 247 PM PST Sat Jan 2 2021 WAZ567-569-031200- /O.CON.KSEW.WS.W.0001.000000T0000Z-210103T1800Z/ Cascades of Whatcom and Skagit Counties- Cascades of Pierce and Lewis Counties- including Paradise and Longmire 247 PM PST Sat Jan 2 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 2500 FEET... * WHAT...Heavy snow continued above 2500 feet. Additional snow accumulations of 1 to 2 feet. Winds gusting as high as 45 mph. * WHERE...Cascade mountains and valleys of Whatcom and Skagit Counties, including the Mount Baker Ski Area. Cascade mountains and valleys of Pierce and Lewis Counties, including the Crystal Mountain Ski Area, Paradise on Mount Rainier. * WHEN...Until 10 AM PST Sunday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions in Washington state, call 5 1 1. && $$ WAZ568-031200- /O.CON.KSEW.WW.Y.0001.000000T0000Z-210103T1800Z/ Cascades of Snohomish and King Counties- including Stevens Pass and Snoqualmie Pass 247 PM PST Sat Jan 2 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 2500 FEET... * WHAT...Snow level lowering to around 2500 feet tonight. Additional snow accumulations of 4 to 11 inches. Winds gusting as high as 40 mph. * WHERE...Cascade mountains and valleys of Snohomish and King Counties, including Stevens Pass, and Snoqualmie Pass. * WHEN...Until 10 AM PST Sunday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest road conditions in Washington state, call 5 1 1. && $$ WAZ513-030600- /O.CON.KSEW.WW.Y.0001.000000T0000Z-210103T0600Z/ Olympics- 247 PM PST Sat Jan 2 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 4000 FEET... * WHAT...Snow continued above 4000 feet. Additional snow accumulations of up to 11 inches. Winds gusting as high as 40 mph. * WHERE...Olympic mountains and valleys, including Hurricane Ridge. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest road conditions in Washington state, call 5 1 1. && $$ www.weather.gov/seattle
296 WWUS46 KSEW 030617 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 1017 PM PST Sat Jan 2 2021 WAZ513-030730- /O.EXP.KSEW.WW.Y.0001.000000T0000Z-210103T0600Z/ Olympics- 1017 PM PST Sat Jan 2 2021 ...WINTER WEATHER ADVISORY HAS EXPIRED... The heaviest precipitation has moved out of the area this evening. Periods of light snow can still be expected through midnight, with little additional accumulation. $$ WAZ568-031800- /O.UPG.KSEW.WW.Y.0001.000000T0000Z-210103T1800Z/ /O.EXA.KSEW.WS.W.0001.000000T0000Z-210103T1800Z/ Cascades of Snohomish and King Counties- including Stevens Pass and Snoqualmie Pass 1017 PM PST Sat Jan 2 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 2500 FEET... * WHAT...Heavy snow continued above 2500 feet. Additional snow accumulations of 5 to 10 inches. * WHERE...Cascade mountains and valleys of Snohomish and King Counties, including Darrington, Index, Skykomish, Stevens Pass, and Snoqualmie Pass. * WHEN...Until 10 AM PST Sunday. * IMPACTS...Travel will continue to be very difficult, especially across the Passes. Travelers need to be prepared for winter driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions in Washington state, call 5 1 1. && $$ WAZ567-569-031800- /O.CON.KSEW.WS.W.0001.000000T0000Z-210103T1800Z/ Cascades of Whatcom and Skagit Counties- Cascades of Pierce and Lewis Counties- including Paradise and Longmire 1017 PM PST Sat Jan 2 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 2500 FEET... * WHAT...Heavy snow continued above 2500 feet. Additional snow accumulations of 5 to 12 inches possible. * 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 Sunday. * IMPACTS...Travel will be very difficult. Travelers should be prepared for winter driving 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. && $$ www.weather.gov/seattle
351 WWUS46 KSEW 031349 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 549 AM PST Sun Jan 3 2021 WAZ567>569-031500- /O.CAN.KSEW.WS.W.0001.000000T0000Z-210103T1800Z/ Cascades of Whatcom and Skagit Counties- Cascades of Snohomish and King Counties- Cascades of Pierce and Lewis Counties- 549 AM PST Sun Jan 3 2021 ...WINTER STORM WARNING IS CANCELLED... The heavy snowfall has moved east of the Cascade crest this morning. Scattered snow showers will continue off and on through this afternoon, with little additional snow accumulation expected. Travel is expected to continue to be difficult, especially across the Passes. $$ www.weather.gov/seattle
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 2:30 AM PST | Storm Warning | SEW | 11 hr | |
| Jan 2, 3:19 AM PST | Winter Weather Advisory | SEW | 19 hr | |
| Jan 2, 2:44 PM PST | Small Craft Advisory | SEW | 30 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.