Alert archive / Washington / Winter Storm Warnings in 2021
Winter Storm Warning 9, NWS Seattle, WA
NWS Seattle, WA issued this winter storm warning at Feb 15, 2021, 3:13 PM PST. It was in force for 30 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 15, 2021, 3:13 PM PST (23:13 UTC)
- Expired
- Feb 16, 2021, 9:00 PM PST
- In force
- 30 hr
- Issued by
- NWS Seattle, WA
The text
As transmitted.
733 WWUS46 KSEW 152313 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 313 PM PST Mon Feb 15 2021 WAZ568-569-161200- /O.UPG.KSEW.WW.Y.0014.000000T0000Z-210217T0200Z/ /O.NEW.KSEW.WS.W.0009.210215T2313Z-210217T0200Z/ Cascades of Snohomish and King Counties- Cascades of Pierce and Lewis Counties- including Darrington, Baring, Stevens Pass, Skykomish, Snoqualmie Pass, Morton, Ashford, Packwood, Randle, Paradise, and Longmire 313 PM PST Mon Feb 15 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM PST TUESDAY... * WHAT...Snow, heavy at times. Additional snow accumulations of 15 to 25 inches. * WHERE...Cascade mountains of Snohomish and King Counties, including Stevens Pass and Snoqualmie Pass and Cascade mountains of Pierce and Lewis Counties, including the Crystal Mountain Ski Area and Paradise on Mount Rainier. * WHEN...Until 6 PM PST Tuesday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...The heaviest snow is expected this afternoon and tonight. Snow will taper to snow showers through Tuesday but could remain moderate to heavy at times. 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. && $$ www.weather.gov/seattle
3 follow-up statements
842 WWUS46 KSEW 161111 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 311 AM PST Tue Feb 16 2021 WAZ568-569-162315- /O.CON.KSEW.WS.W.0009.000000T0000Z-210217T0200Z/ Cascades of Snohomish and King Counties- Cascades of Pierce and Lewis Counties- including Darrington, Baring, Stevens Pass, Skykomish, Snoqualmie Pass, Morton, Ashford, Packwood, Randle, Paradise, and Longmire 311 AM PST Tue Feb 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Heavy snow continued. Additional snow accumulations of up to 12 inches. * WHERE...Cascade mountains of Pierce and Lewis Counties, including the Crystal Mountain Ski Area, Paradise on Mount Rainier, and Cascade mountains of Snohomish and King Counties, including Stevens Pass, and Snoqualmie Pass. * WHEN...Until 6 PM PST this evening. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions in Washington state, call 5 1 1. && $$ www.weather.gov/seattle
188 WWUS46 KSEW 162318 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 318 PM PST Tue Feb 16 2021 WAZ568-569-170500- /O.EXT.KSEW.WS.W.0009.000000T0000Z-210217T0500Z/ Cascades of Snohomish and King Counties- Cascades of Pierce and Lewis Counties- including Darrington, Baring, Stevens Pass, Skykomish, Snoqualmie Pass, Morton, Ashford, Packwood, Randle, Paradise, and Longmire 318 PM PST Tue Feb 16 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM PST THIS EVENING... * WHAT...Heavy snow continued. Additional snow accumulations of between 5 to 10 inches. * WHERE...Cascade mountains and valleys of Pierce and Lewis Counties, including the Crystal Mountain Ski Area, Paradise on Mount Rainier, Ashford, Randle, and Packwood and Cascade mountains and valleys of Snohomish and King Counties, including Darrington, Index, Skykomish, Stevens Pass, and Snoqualmie Pass. * WHEN...Until 9 PM PST this evening. * 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. && $$ www.weather.gov/seattle
255 WWUS46 KSEW 170502 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 902 PM PST Tue Feb 16 2021 WAZ568-569-170615- /O.EXP.KSEW.WS.W.0009.000000T0000Z-210217T0500Z/ Cascades of Snohomish and King Counties- Cascades of Pierce and Lewis Counties- including Darrington, Baring, Stevens Pass, Skykomish, Snoqualmie Pass, Morton, Ashford, Packwood, Randle, Paradise, and Longmire 902 PM PST Tue Feb 16 2021 ...WINTER STORM WARNING WILL EXPIRE AT 9 PM PST THIS EVENING... Some additional light snow is expected tonight, especially near Snoqualmie Pass where a lingering convergence zone remains, but amounts will be light. Therefore, the warning will expire. $$ www.weather.gov/seattle
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 4:08 AM PST | Gale Watch | SEW | 23 hr | |
| Feb 15, 4:08 AM PST | Small Craft Advisory | SEW | 70 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.