Cross-polar flow describes a unique meteorological setup most common during the winter. This is often responsible for many of the intense Arctic outbreaks that occur in the U.S. each decade. For cross ...

The ferocious cold snap that's overspread much of the eastern half of the United States is forecast to continue and actually intensify by midweek, meteorologists said Monday. "Another bitterly cold ...

The weather will be just fantastic today, so enjoy the moment. We are tracking a potent blast of cold air. We are hesitant to call it an Arctic blast as those really occur during the winter, but it is ...

CHICAGO (Reuters) - The arrival of colder temperatures this week across much of America is just the beginning of what will likely be an unusually frigid December. With help from the Arctic, the polar ...