Alert archive / Washington / Winter Storm Warnings in 2019

Winter Storm Warning 12, NWS Seattle, WA

December 20, 2019

NWS Seattle, WA issued this winter storm warning at Dec 20, 2019, 6:17 AM PST. It was in force for 28 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, 2019, 6:17 AM PST (14:17 UTC)
Expired: Dec 21, 2019, 10:00 AM PST
In force: 28 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 19, 2:00 PM PST, 16 hours 17 minutes earlier.

Area forecast discussion, Dec 19, 2:00 PM PST, 16 hours 17 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 19, 10:16 PM PST	River Flood Warning	SEW	Mason	60 hr
Dec 20, 2:38 AM PST	Small Craft Advisory	SEW		37 hr
Dec 20, 3:45 AM PST	River Flood Warning	SEW	King	34 hr
Dec 20, 4:50 AM PST	River Flood Warning	SEW	Lewis	35 hr
Dec 20, 5:26 AM PST	Areal Flood Advisory	SEW	King, Kitsap, Lewis, Mason, Pierce, Thurston	6 hr
Dec 20, 6:04 AM PST	River Flood Warning	SEW	Lewis	24 hr
Dec 20, 10:30 AM PST	River Flood Warning	SEW	King	22 hr
Dec 20, 11:33 AM PST	Areal Flood Advisory	SEW	King, Kitsap, Lewis, Mason, Pierce, Thurston	12 hr
Dec 20, 1:13 PM PST	Winter Weather Advisory	SEW		17 hr
Dec 20, 1:21 PM PST	Areal Flood Advisory	SEW	King, Kitsap, Lewis, Mason, Pierce, Snohomish and 1 more	12 hr
Dec 20, 2:41 PM PST	River Flood Warning	SEW	Snohomish	29 hr
Dec 20, 2:41 PM PST	River Flood Warning	SEW	King	47 hr

Nearby

Winter Storm Warnings in Washington, 2019 Every winter storm warning in 2019

Sources

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