“This system will deepen over Atlantic oceanic waters on Friday 3, off the east coast of the country, where it will be configured as an extratropical cyclone,” Inumet said in a statement.

This extratropical cyclone will be associated with a cold front that should advance across the country, causing low temperatures, not only in the South, but in areas of the Southeast and Midwest ...

Atmospheric rivers explained. Atmospheric rivers tend to form out ahead of cold fronts that are associated with low-pressure systems known as extratropical cyclones. These are air mass boundaries ...