California and Nevada Drought is extreme to exceptional.
Hazardous Weather Ahead and Outlook for Winter 2009-2010 Dave Reynolds -MTR Dan Keeton - STO Meteorologists in Charge weather.gov/SanFrancisco or /Sacramento.
Climate and Weather Review 4 December 2009 University of California Santa Barbara Acknowledgements: most graphics from Climate Prediction Center (CPC/NCEP/NOA)
