CW3E AR Update: 3 December 2019 Outlook

December 3, 2019

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Active weather pattern in California will continue through the end of this week

  • Multiple landfalling ARs are expected to bring additional heavy precipitation to California during the next 5 days
  • There is increasing forecast confidence in the likelihood of another landfalling AR in Southern CA on 7–8 Dec
  • Long-range ensemble forecasts suggest a possible shift in the weather pattern next week
  • Click IVT or IWV image to see loop of GFS analyses/forecasts

    Valid 1200 UTC 3 December – 1200 UTC 9 December 2019






    Summary provided by C. Castellano, C. Hecht, B.Kawzenuk, J. Kalansky, F. M. Ralph; 3 December 2019