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Central Valley of California Flood (1997)

Flooding in the Central Valley of California: - 850 mb Relative Humidity 29 December 1996 through 4 January 1997: High values of relative humidity (red) persist through the period just prior to major flooding of the Central Valley of California. Note the trail of high relative humidity extending from the Pacific Ocean near Hawaii eastward all the way to the California coast.

Department of Atmospheric Sciences Severe and Hazardous Weather at Department of Atmospheric Sciences University of Illinois