No effect from CO2 on Sierra Snowfall over the last 130 years

Christy on Sierra Snowfall over the last 130 years – no trend, no effect from CO2

wattsupwiththat.com | Feb 18, 2012

by Anthony Watts

Image above from data supplied by Dr. John Christy and rendered by the San Francisco Chronicle from their story here. An excerpt:

John Christy, the Alabama state climatologist who authored the study, said the amount of snow in the mountains has not decreased in the past 50 years, a period when greenhouse gases were supposed to have increased the effects of global warming.

The heaping piles of snow that fell in the Sierra last winter and the paltry amounts this year fall within the realm of normal weather variability, he concluded.

“The dramatic claims about snow disappearing in the Sierra just are not verified,” said Christy, a climate change skeptic and director of the Earth System Science Center at the University of Alabama in Huntsville. “It looks like you’re going to have snow for the foreseeable future.”

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