CW3E AR Update: 27 November Outlook

November 27, 2018

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Update on ARs Forecast to Impact SoCal Later This Week and Over the Weekend

• An AR that is currently impacting Northern California is forecast to propagate southward and bring AR conditions to SoCal
• A secondary low is forecast to develop along the cold front of the current AR and propagate eastward over CA
• The development of this secondary low is forecast to extend AR conditions over SoCal and bring additional precipitation
• Additional AR activity is also forecast over SoCal for the weekend, which could lead to more precipitation
• NOAA CNRFC is currently forecasting as 3+ inches of precipitation over the mountains of SoCal for the next 6 days

Click IVT or IWV image to see loop of 0-180 hour GFS forecast Valid 1200 UTC 27 November – 0000 UTC 05 December 2018

Summary provided by C. Hecht, F. M. Ralph, B. Kawzenuk; 2:15 PM PT 27 November 2018

*Outlook products are considered experimental