These fronts are where a lot of active weather likes to form, since air likes to mix along these boundaries of warm and cold ...

There are five combinations that exist around North America. Maritime tropical airmasses: which originate over the warm ...

Air masses can change depending on their surroundings, and when combined, they can create active weather conditions, such as severe thunderstorms and strong cold fronts. Maritime Tropical (mT ...

We're entering a six-day stretch with a persistent and very active weather pattern across western Pennsylvania and much of ...

Shifting air masses and cold fronts bring gusty winds to South Carolina during March's transition from winter to spring.

A cold air mass, a massive body of air characterized by specific temperature and humidity levels, typically originates from polar regions. When this air moves southward, it can lead to significant ...

If the cold air mass grows stronger than expected, it may result in warning-level snowfall. In Minakami, Gunma Prefecture, 43 cm was recorded for the 24-hour period that ended at 7 a.m. on Feb. 19.