Multi-Hazard West Coast Winter Storm Project
The USGS Multi Hazards Demonstration Project (MHDP) is preparing to release a new emergency-preparedness scenario, called ARkStorm, to address massive U.S. West Coast storms analogous to those that devastated California in 1861–62. Storms of this magnitude are projected to become more frequent and intense as a result of climate change.
http://urbanearth.gps.caltech.edu/winter-storm/