than 3 hours and sustained wind speed of at least 10 mph.Snowstorms with wind speed of more than 35 mph and reduced visibility of less than 0.25 mi for 3 hours or longer are called blizzards.

Terminology

Severe winter weather conditions called "winter storms", can be local weather fulfilling the criteria for 24 hours, or large storm systems covering part of a continent for several days. With large, massive winter storms,

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