CW3E AR Update: 7 February 2017 Outlook

February 7, 2017

Click here for a pdf of this information.

Two ARs to Impact the West CoastUpdate on ARs Currently Impacting and Forecast to Impact West Coast

  • As much as 6.5 inches of precipitation has fallen over the high elevations of CA over the previous 48 hours
  • Several rivers and streams are currently experiencing flooding in the San Francisco Bay Area
  • The second AR is forecast to make landfall at ~4 AM on Wednesday 8 February
  • An additional 5–10 inches of precipitation could fall over already wet soils, raising concern for additional flooding




Click IVT or IWV image to see loop of 0-127 hour GFS forecast

Valid 1200 UTC 7 Feb – 1800 UTC 11 Feb 2017

The next AR is currently forecast to make landfall at ~4 AM on 8 February 2017 with maximum IVT ~1000 and IWV ~34 mm





Summary provided by C. Hecht and F.M. Ralph; 2 PM PT Mon 07 Feb. 2017