The 36 hour Surface Analysis map shows current weather conditions, including frontal ... with its use finally spreading to the United States during World War II. Surface weather analyses have ...

Winter storm warnings are in place in several states with heavy snow, freezing rain and dangerously cold temperatures expected.

The 12 hour Surface Analysis map shows current weather conditions, including frontal ... with its use finally spreading to the United States during World War II. Surface weather analyses have ...

A powerful polar vortex is set to grip much of the United States next week, as seen on a map, with meteorologists ... the polar vortex could bring severe weather conditions which could affect ...