What exactly is a blizzard? How is this California snow storm different from the last?
Briefly

The upcoming storm is forecast to bring heavy mountain snow, strong winds and widespread rain to Northern California, creating 'dangerous to impossible' travel conditions in the Sierra Nevada and foothills.
According to the National Weather Service, blizzards are snowstorms defined by strong winds, with visibility decreasing to less than a quarter of a mile for at least three hours.
Read at Sacramento Bee
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