Wintry conditions were forecast for at least 12 states across the U.S. on Friday, with some regions expecting up to 4 feet of snow.
Snow can disrupt travel and lead to hazardous driving conditions. Freezing temperatures may present health risks, especially for vulnerable groups such as infants and older adults. Winter storms can ...
The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...
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