'Significant' snow storm for Mass., East Coast: These maps explain forecast

A storm moving across the country could bring 1 to 2 feet of snow to parts of Massachusetts and New England this weekend. It ...

Ice storm, deadly cold threatens North Texas with treacherous travel, power outages

NBC 5's Chief Meteorologist Rick Mitchell said forecasters expect the storm to bring moderate to heavy accumulations of snow, ...

Arctic air mass extends over most of Canada, bringing extreme cold

An Arctic air mass moving across North America is causing extreme cold in Western Canada, which will continue into the ...
WSMV

Where did this cool air mass in Tennessee come from?

NASHVILLE, Tenn. (WSMV) - A dry and cool air mass made a 1,500-mile journey to Tennessee Cooler air masses like the one that’s currently over us originate from cooler climates. Using the NOAA Hysplit ...