PUGET SOUND WEATHER GEEK: It’s going to be a stormy weekend



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by Chris Scragga
Puget Sound Weather Geek

Good Weekend everyone!

Mother nature sure must hate weekends, because we’re going to get slammed with heavy rain and blustery winds this Saturday and Sunday.

Graphic I produced for KOMO 4.

A strong system will traverse into the region with access to a large source of warm subtropical moisture from Hawaii. This all spells out some substantial rainfall for the region. The mountains will see 2-4″ of rain and the lowlands (us) will see 1-2″.

We’ll first see some light rain drops falling Saturday morning but the heavier showers will make their appearance late in the day. The heavy rain will make a march from the south and all of western Washington should be in the wet by about 8PM Saturday evening.

The next element of this storm system will be the possibility of some high winds. As the parent weather system landfalls on Canada, another surface low may develop and impact Vancouver Island. This scenario would create moderate winds for most of western Washington late Saturday night. This won’t be a particularly damaging storm, but winds may gust to 40mph in some exposed locations.

UW MM5 Weather Graphic: The bunched up lines represent higher wind speeds.

By the time the Seahawks vs. Packers playoff game rolls around (Noon Sunday), the weather should be calmed down a little, but a few scattered showers with a couple gusts of wind may still be in the picture.

Enjoy your mostly indoor weekend, and Go Hawks!

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