CW3E AR Update: 6 January 2017 Outlook

January 6, 2017

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Update on Strong AR over the weekend

  • Forecast confidence of AR conditions have improved since yesterday’s update
  • Moderate AR conditions could last over 24-hrs over some locations in Central CA
  • 1–3 Day Precipitation forecasts by the Weather Predication Center are as high as 15.5 inches over high elevations of Sierras
  • 19 river gauges are currently forecast to rise above flood stage by the California Nevada River Forecast Center
  • Extended forecasts show another AR making landfall next week, though the forecasts are more uncertain

Click IVT or IWV image to see loop of 0-132 hour GFS forecast

Valid 1200 UTC 6 Jan – 0000 UTC 12 Jan 2017







Summary provided by C. Hecht, B. Kawzenuk, and F.M. Ralph; 5 PM PT Fri 6 Jan. 2017

Products presented in this outlook are meant for informational purposes and are not intended to support decision making operations