Seattle NWS take on the Weekend Storms…

Active Weather Will Continue Across Western Washington Through This Weekend

National Weather Service, Seattle WA

Hello,
This message is intended as an informational briefing for decision makers. We ask that you continue to monitor latest information using the resources listed below. You are welcome to share this message with others in your organization.

SYNOPSIS:

The active weather pattern will continue through this weekend as a series of strong weather systems pass through western Washington. Weather systems will arrive late tonight into Friday morning, Saturday afternoon/evening and Sunday afternoon/evening. Each system will bring windy conditions to parts of western Washington, rain and mountain snow (heavy at times). Heavy precipitation will cause sharp rises on the lower river basins and minor flooding is possible this weekend.

HEADLINES:

Wind Advisory for the Northwest Interior tonight through Friday morning.

Winter Weather Advisory for the Olympics and North and Central Cascades tonight through Friday afternoon.

FORECAST SPECIFICS:

Each storm system will bring widespread rain and mountain snow, with the heaviest rainfall along the coast and the heaviest snowfall across the west slopes of the North and Central Cascades. Each storm system also has the potential to produce winds strong enough to break tree branches, knock down a few trees and produce scattered power outages.

Winds Tonight/Friday morning:

The strongest winds with this system are likely to be with the southerlies ahead of the front, especially for the Northwest Interior after midnight tonight. South winds should peak – 25 to 35 mph with gusts to 45 mph.

Winds Saturday afternoon/evening:

Strongest winds occurring with the southerlies ahead of the front Saturday afternoon and evening along the North and Central Coast. South winds should peak – 25 to 35 mph with gusts to 50 mph. High wind possible with gusts to 60 mph.

Winds Sunday afternoon/evening:

Strongest winds occurring along the North and Central Coast and the Northwest Interior. South winds should peak – 25 to 35 mph with gusts to 50 mph. High wind possible with gusts to 60 mph.

CONFIDENCE:

Tonight/Friday morning:

Moderate confidence that the strongest winds will occur with the southerlies ahead of the front impacting primarily the Northwest Interior.

Saturday afternoon/evening:

Moderate confidence that the strongest winds will occur with the southerlies ahead of the front, primarily affecting the North and Central Coast and Northwest Interior. Confidence is lower regarding the strength of the winds.

Sunday afternoon/evening:

Moderate confidence that the strongest winds will occur with the southerlies ahead of the front, primarily affecting the North and Central Coast and Northwest Interior. Confidence is lower regarding the strength of the winds.

NWSChat: Chat room with the forecasters on duty – more information and account registration at https://nwschat.weather.gov.
E-Warn: Tailored email reception of NWS warning messages, contact ted.buehner@noaa.gov for a registration form.
iNWS: Smart phone app for the emergency management community to monitor the latest forecasts, warning information and conditions – register at http://inws.wrh.noaa.gov.
Web Site: http://www.weather.gov/seattle
Facebook: http://www.facebook.com/US.NationalWeatherService.Seattle.gov
Twitter: https://twitter.com/NWSseattle

Thank you,
National Weather Service, Seattle WA

Leave a Reply

Please log in using one of these methods to post your comment:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Up ↑

%d bloggers like this: