CW3E AR Update: 27 November Outlook

November 27, 2018

Click here for a pdf of this information.

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