CW3E AR Update: 06 June 2017 Outlook

June 06, 2017

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Update on Late Season AR Forecast to Impact West Coast This Week

  • Little change from yesterday’s forecast
  • Ensemble GFS members are still in good agreement of the onset, duration, and maximum magnitude of coastal IVT
  • NOAA WPC precipitation forecasts are predicting as much as 4.2 inches over the Coastal Mountains of Northern CA and OR
  • A few rivers in the Cascade Range of WA and OR are forecast to rise to action or flood stage due to melting snow and the landfalling AR

Click IVT or IWV image to see loop of 0-114 hour GFS forecast

Valid 1200 UTC 06 June – 0600 UTC 11 June 2017


 

 

 

 

 

 

Summary provided by C. Hecht and F.M. Ralph; 12 PM PT Tuesday 06 June 2017