Alert archive / Washington / Special Marine Warnings in 2021

Special Marine Warning 7, NWS Seattle, WA

March 19, 2021

NWS Seattle, WA issued this special marine warning at Mar 19, 2021, 9:15 AM PDT. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 19, 2021, 9:15 AM PDT (16:15 UTC)
Expired: Mar 19, 2021, 9:45 AM PDT
In force: 30 min
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 50.0 mph

What forecasters said that day

The local office's own words before this special marine 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 special marine warning went out at Mar 19, 9:02 AM PDT, 13 minutes earlier.

Area forecast discussion, Mar 19, 9:02 AM PDT, 13 minutes before

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In the hours before

Special weather statement, Mar 19, 4:53 AM PDT, 4 hours 22 minutes before

Special Weather Statement
National Weather Service Seattle WA
453 AM PDT Fri Mar 19 2021

WAZ513-516-517-191215-
Olympics-Central Coast-North Coast-
453 AM PDT Fri Mar 19 2021

...SPECIAL WEATHER STATEMENT...

At 451 AM PDT, Doppler radar was tracking a strong thunderstorm over
Queets, moving north at 35 mph.

This storm could produce a weak tornado.

Locations impacted include... Forks and Queets.

LAT...LON 4798 12437 4789 12397 4748 12430 4749 12435
      4765 12439 4770 12442
TIME...MOT...LOC 1151Z 197DEG 33KT 4754 12435

14

Special weather statement, Mar 19, 5:56 AM PDT, 3 hours 19 minutes before

Special Weather Statement
National Weather Service Seattle WA
556 AM PDT Fri Mar 19 2021

WAZ517-191330-
Central Coast-
556 AM PDT Fri Mar 19 2021

...SPECIAL WEATHER STATEMENT...

At 555 AM PDT, Doppler radar was tracking a strong thunderstorm near
Ocean Shores, or near Westport, moving north at 35 mph.

This storm may produce a brief tornado.

Locations impacted include...
Ocean Shores, Oyehut-Hogans Corner and Ocean City Beach.

LAT...LON 4702 12416 4715 12411 4714 12381 4698 12399
      4698 12402 4697 12405 4694 12412 4700 12400
      4703 12403 4704 12406 4704 12413 4702 12415
      4694 12413 4696 12417
TIME...MOT...LOC 1255Z 200DEG 29KT 4699 12408

Kovacik

Special weather statement, Mar 19, 7:21 AM PDT, 1 hour 54 minutes before

Special Weather Statement
National Weather Service Seattle WA
721 AM PDT Fri Mar 19 2021

WAZ516-191445-
North Coast-
721 AM PDT Fri Mar 19 2021

...SPECIAL WEATHER STATEMENT...

At 721 AM PDT, Doppler radar was tracking a strong thunderstorm 11
miles north of Queets, moving north at 40 mph.

This storm may produce a brief tornado.

This storm will remain over mainly rural areas of west central
Jefferson County.

LAT...LON 4784 12453 4788 12431 4764 12428 4762 12438
      4774 12443 4777 12446 4777 12448 4782 12449
      4783 12454
TIME...MOT...LOC 1421Z 180DEG 33KT 4770 12441

Kovacik

Special weather statement, Mar 19, 8:12 AM PDT, 1 hour 3 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
Mar 19, 3:15 AM PDT	Small Craft Advisory	SEW		3 days
Mar 19, 4:53 AM PDT	Special Weather Statement	SEW	Clallam	22 min
Mar 19, 5:02 AM PDT	Tornado Warning	SEW	Jefferson	13 min
Mar 19, 5:56 AM PDT	Special Weather Statement	SEW	Grays Harbor	34 min
Mar 19, 6:53 AM PDT	Special Marine Warning	SEW		37 min
Mar 19, 7:03 AM PDT	Special Marine Warning	SEW		27 min
Mar 19, 7:21 AM PDT	Special Weather Statement	SEW		24 min
Mar 19, 7:27 AM PDT	Special Marine Warning	SEW		18 min
Mar 19, 7:45 AM PDT	Special Marine Warning	SEW		30 min
Mar 19, 7:53 AM PDT	Tornado Warning	SEW	Clallam, Jefferson	22 min
Mar 19, 8:12 AM PDT	Special Weather Statement	SEW	Clallam	18 min
Mar 19, 8:13 AM PDT	Tornado Warning	SEW	Grays Harbor, Jefferson	17 min
Mar 19, 8:38 AM PDT	Gale Watch	SEW		6 hr
Mar 19, 8:42 AM PDT	Special Marine Warning	SEW		33 min
Mar 19, 9:45 AM PDT	Special Marine Warning	SEW		30 min
Mar 19, 10:15 AM PDT	Special Marine Warning	SEW		60 min
Mar 19, 1:08 PM PDT	Special Marine Warning	SEW		37 min
Mar 19, 2:12 PM PDT	Special Marine Warning	SEW		48 min
Mar 19, 2:39 PM PDT	Gale Warning	SEW		33 hr
Mar 19, 2:55 PM PDT	Special Marine Warning	SEW		65 min
Mar 19, 3:18 PM PDT	Special Marine Warning	SEW		27 min
Mar 19, 3:41 PM PDT	Special Marine Warning	SEW		25 min

Nearby

Special Marine Warnings in Washington, 2021 Every special marine 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.