Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. 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.

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Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Shadow on Marine Stratus - July 13, 2001