snow shower, Winter storm
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A blizzard is a couple of giant steps above a winter storm. According to the National Weather Service, a storm officially qualifies as a blizzard when winds reach or exceed 35 mph and when the visibility drops to only a quarter mile or less. These conditions need to stay active for at least 3 hours.
Millions of people in the High Plains will experience widespread wind gusts between 60 to 80 mph, from Montana to Kansas.