Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.
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12 Hour Surface Forecast
The 12 hour Surface Analysis map shows current weather conditions ... States during World War II. Surface weather analyses have special symbols which show frontal systems, cloud cover ...
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24 Hour Surface Forecast
The 24 hour Surface Analysis map shows current weather conditions ... States during World War II. Surface weather analyses have special symbols which show frontal systems, cloud cover ...