CW3E AR Update: 25 February Outlook

February 25, 2019

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Two ARs to bring heavy precipitation to CA over the next seven days

  • The AR currently making landfall over northern CA is expected to strengthen and produce heavy precipitation over northern CA over the next three days.
  • This Category 3 AR is forecast to produce up to 15 inches of precipitation over the Northern Sierra and 10+ inches over portions of coastal CA.
  • A second AR is predicted to make landfall over Southern and Central CA on 2 March.
  • The AR on 2 March is currently predicted to be weaker and of shorter duration than the first AR, but could still produce an additional 3-5 inches of precipitation over central CA.

Click IVT or IWV image to see loop of 0-180 hour GFS forecasts

Valid 1200 UTC 25 February – 0000 UTC 5 March 2019









Summary provided by C. Hecht, B.Kawzenuk, J. Kalansky, F. M. Ralph; 3 PM PT 25 February 2019