National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

This visible satellite image on the morning of 13 Jul 2001 shows a number of interesting weather features. One of the more notable features is the shadow cast by the high clouds over the Washington coast onto the lower stratus clouds over the ocean. This image was taken at 5:15 am (10 minutes after sunrise in Spokane), when the sun was to the right of the image.

Also apparent in this image is the fog in the Silver Valley of north Idaho, wild fire smoke along the east slopes of the Washington Cascades, and morning thunderstorms.

Visible Satellite Image