Overview of the Arkstorm Scenario   [open pdf - 9MB]

Prepared for the U.S. Geological Survey (USGS) Multihazards Demonstration Project [MHDP]. From the Abstract: "This document summarizes the next major public project for MHDP, a winter storm scenario called ARkStorm (for Atmospheric River 1,000). Experts have designed a large, scientifically realistic meteorological event followed by an examination of the secondary hazards (for example, landslides and flooding), physical damages to the built environment, and social and economic consequences. The hypothetical storm depicted here would strike the U.S. West Coast and be similar to the intense California winter storms of 1861 and 1862 that left the central valley of California impassible. The storm is estimated to produce precipitation that in many places exceeds levels only experienced on average once every 500 to 1,000 years."

Report Number:
Open File Report 2010-1312
Public Domain. Permission must be secured from the individual copyright owners to reproduce copyrighted material within this report.
Retrieved From:
USGS Science Application for Risk Reduction (SAFRR): http://www.usgs.gov/natural_hazards/safrr/
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