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February 11, 2013
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High pressure ridge leaves Sierra Nevada high and dry

A high pressure ridge off the coast of California has turned off the tap that provided above average moisture to the Sierra Nevada during December.

A graph issued by the National Weather Service this afternoon comparing this year's snow water equivalent and the 30-year average for the Sierra Snow Lab near Donner Pass.

"The water year started out fairly average through the first half of December, then snow water equivalent rapidly increased above average for late December," forecasters said. "There has been very little additional accumulation since the end of December and now the region is anomalously low."

Totals vary …

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The Record Courier Updated Feb 12, 2013 05:01PM Published Feb 11, 2013 05:55PM Copyright 2013 The Record Courier. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.