Alert archive / Washington / Winter Storm Warnings in 2015

Winter Storm Warning 12, NWS Seattle, WA

December 20, 2015

NWS Seattle, WA issued this winter storm warning at Dec 20, 2015, 2:44 PM PST. It took effect at Dec 21, 2015, 4:00 AM PST. It was in force for 24 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: Dec 20, 2015, 2:44 PM PST (22:44 UTC)
In effect from: Dec 21, 2015, 4:00 AM PST
Expired: Dec 22, 2015, 4:00 AM PST
In force: 24 hr
Issued by: NWS Seattle, WA

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Seattle, WA wrote its last area forecast discussion before this winter storm warning went out at Dec 20, 9:30 AM PST, 5 hours 14 minutes earlier.

Area forecast discussion, Dec 20, 9:30 AM PST, 5 hours 14 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 20, 2:54 AM PST	Gale Watch	SEW		12 hr
Dec 20, 6:34 AM PST	River Flood Warning	SEW	Mason	14 hr
Dec 20, 10:29 AM PST	Coastal Flood Advisory	SEW		4 hr
Dec 20, 2:44 PM PST	Winter Weather Advisory	SEW		37 hr
Dec 20, 2:46 PM PST	Gale Warning	SEW		31 hr

Nearby

Winter Storm Warnings in Washington, 2015 Every winter storm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.