CW3E AR Update: 22 March Outlook
March 22, 2018
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Update on Atmospheric River Currently Impacting California
- Precipitation continues to fall across portions of California
- The AR will begin to propagate southward bringing moderate AR conditions to Orange and San Diego Counties
- As much as 9.5 inches of precipitation has fallen over the Coastal Mountains of California during the last 48 hours
- ~3.75 inches of precipitation has fallen over the high elevations of Santa Barbara and Ventura Counties and 3.5 more inches could fall during the remainder of the storm
- AR conditions are expected to end at ~11 pm PDT (+/– 3 hours) tonight over Southern California
SSMI/SSMIS/AMSR2-derived Integrated Water Vapor (IWV)
Valid 0000 UTC 19 March – 1600 UTC 22 March 2018
Images from CIMSS/Univ. of Wisconsin
Click IVT or IWV image to see loop of 0-48 hour GFS forecast Valid 1200 UTC 22 March – 1200 UTC 24 March 2018 |
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Summary provided by C. Hecht, F.M. Ralph, and B. Kawzenuk; 3 PM PT Thursday 22 March 2018
*Outlook products are considered experimental