What Makes It Windy In The Foothills?

Story Published: Mar 13, 2008 at 1:13 PM PDT

Story Updated: Mar 13, 2008 at 1:13 PM PDT

By Steve Pool

SEATTLE - There are days where those of you who live in North Bend, Enumclaw and Gold Bar can get strong easterly winds while the rest of the area stays relatively calm.

This happens when we get a strong area of high pressure in Eastern Washington and a storm tracking up the coast. When the storm's center of low pressure is just offshore to our west, that creates a large difference in pressure between eastern and western Washington.

Air will try to move from east to west to equalize the pressure, but the Cascades act like a barrier. That leaves the mountain passes as the only option for the air to squeeze through. And as the air constricts, it speeds up, making for a strong easterly wind.

This content requires the latest Adobe Flash Player and a browser with JavaScript enabled. Click here for a free download of the latest Adobe Flash Player.

KOMO Weather

Current Temp 61 °F

Fair

Wind : Calm

Humidity : 75 %

Pressure : 30.03" (1017.4 mb)

More Weather

Traffic

Traffic Alert

North Cascades Highway (S.R. 20) is closed due to high avalanche danger through the weekend. Crews will return on Monday to assess road conditions. The state DOT advises drivers to check mountain pass conditions for all passes before leaving this weekend.

More Traffic