Tuesday, December 6, 2016

Weather Washington Cascades- Extended Outlook

Issued 12-6-2016

Forecast models keep our recent pattern of below normal temperatures and above normal precipitation through at least the middle of December.  This is the result of troughs of low pressure coming down from the Gulf of Alaska. This pattern will continue (see map below). So we will continue to add to the snowpack in the Cascades. Many regions are currently over 125% of normal.

Trough of low pressure at 18,000 (500 mb) for 12-15-2016

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