Wednesday, September 27, 2017

Washington Cascades Weather: Extended Outlook

Issued 9-27-2017
Starting this weekend and continuing into early next week we can expect a trough of low pressure off our coast (see map below). This will bring a cooling pattern with above normal precipitation and below normal temperatures. However by next Friday (10-6) models suggest normal temperatures.
500 mb (18,000') shows trough off our coast early next week


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