West Coast Outdoor Weather- 10-15-2015.  This  weekend outdoor weather for the West Coast will start off with a trough of low pressure and associated cold front moving into the Washington Cascades and Olympics to spread precipitation to the region on Saturday.  For the  24 hour  period ending Sunday morning precipitation totals should at 0.50 inches in water equivalent. Although the Olympics should have higher amounts. Another system moves into the Washington Cascades and Olympics on later on Sunday and Monday.
For the Northern Sierra (Lassen Peak and north)  chance of precipitation  late Saturday or early Sunday. Perhaps some thundershowers as well.
Looking at the extended forecast by Wednesday 10-21 (see map below) shows a ridge of high pressure off the California coast so dry conditions prevail there. However chance of some precipitation for the Washington Cascades.
500 mb map at 18,000 for Wednesday 10-21. Credit: ECMWF
500 mb map at 18,000 for Wednesday 10-21. 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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