West Coast Outdoor Weather 10-29-2015.  Starting on this Friday and continuing into Sunday a strong trough of low pressure and associated cold front will move into the Washington Cascades and Olympics to bring heavy precipitation. Storm totals could easily exceed 10 inches in water equivalent especially for the volcanic peaks. Also on Sunday freezing levels lower and we could get 5 to 10 inches of snow at the 4500 to 5000 foot levels.
How about for the Sierra in California . It should be dry on Saturday but precipitation will move into Northern and Eastern Sierra on Sunday and Monday. In fact by Monday the Lake Tahoe region will get have 2 inches of water equivalent for 24 hour period ending Monday 5 am with snow levels at about 8000 feet.
Looking at the extended forecast by Wednesday 11-4 (see map below) shows a ridge of high pressure builds over the Washington Cascades for dry conditions.
500 mb map at 18,000 feet. Photo credit: ECMWF
500 mb map at 18,000 feet. Photo credit: ECMWF

About the author: Michael Fagin has been providing mountain forecasts for the Pacific Northwest since the mid 1980’s and is currently providing weather forecasts for many of the Seattle Mountaineers Climb and Scramble leaders.  Michael also provides weather forecasts for some government agencies on key weather events in the Puget Sound Region: wind storms, major rain events, and snow events.  Since 2003 Michael has been providing weather forecasts for Mt. Everest for many of the major expedition and for mountaineers climbing the major peaks around the world. Forecast are also provided  for outdoor events like weddings. Finally Michael and his associates are used as expert witnesses in legal proceedings that concern meteorological events..   Michael Fagin is lead forecaster for West Coast Weather LLC and its affiliate firms: Everest Weather, Alaska Mountain Weather and Washington Online Weather.

Please see our web sites for additional information:  West Coast Weather and Everest Weather. We provide custom forecast for all outdoor events from weddings to climbing mountains.  For information you can  call (toll free)  877-969-4786 or email michaelfagin than put “@” comcast.net for details.

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