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Sharing Technical and Scientific Knowledge About Extreme Precipitation … since 1994

The 2015 California Extreme Precipitation Symposium (CEPSYM) will be held at the UC Davis Conference Center on Tuesday, June 23, 2015

New Source for the Latest Atmospheric River Information

The new Center for Western Weather and Water Extremes (CW3E) provides focused attention on atmospheric rivers (AR) impacting Western North America.

Look at the What's New section on the homepage for the latest.

Go to their pages for Current AR Info and AR Forecasts.

CW3E opened in 2013 and is part of the Scripps Institution of Oceanography at the University of California, San Diego.

Observing Atmospheric Rivers in Real Time

Atmospheric rivers (ARs) have been in the news as they have been bringing significant precipitation to California and the other West Coast states in December 2014. Real-time viewing of ARs as they travel across the Pacific Ocean is provided by the University of Wisconsin, Madison's MIMIC-TPW site. You can see real-time info or access the archives for specific dates back to 2007.

2014 Photo Gallery

We took pictures at the 2014 Symposium — our 20th year! — to memorialize the event held for the last time at Freeborn Hall, UC Davis. See the pictures ...

Proceedings

Proceedings — speaker papers and presentations — from each Symposium are available on this website. Proceedings may be posted in one or more formats: abstracts, printable slides from the presenters, and/or audio of the sessions.

  • Proceedings page — list of prior year themes and links to the proceedings for those years
  • Proceedings Index — list of proceedings by author

More Information

Interested? Are you interested in talking on a technical or scientific topic related to the Symposium's purpose? Would you like to attend the next symposium? Contact the Coordinator, Gary Estes, to be notified via email of the next Symposium.

2014 Sponsors

Rain Sponsors — $500+

MBK Engineers West Consultants, Inc. HDR
Wood Rodgers Sacramento Area Flood Control Agency Alert Users Group
Center for Watershed Sciences at UC Davis Sierra College Natural History Museum

Shower Sponsors — $250+

David Ford Consulting Engineers Balance Hydrologics, Inc. NHC - Northwest Hydraulic Consultants
American River Watershed Institute