We're still closely watching the eastward movement of an area of low pressure sparking flood conditions and isolated severe ...

The polar jet stream is a relatively narrow stream of ... They are still considered a “cold” front though, because the air mass moving south is slightly cooler than the air that was already ...

During the winter months and when the jet stream allows ... Maps show where and when the cold front will arrive. The polar vortex is a large area of cold air and low pressure that normally ...