What causes a cold front?
A) The front of an advancing storm is abnormally cold.
B) A cold air mass moves up against the Rocky Mountain Front.
C) A cold air mass moves in under a warm air mass.
D) A warm air mass moves in over a cold air mass.
E) The jet stream moves north into central Canada.

Question

Quizplus · Accepted Answer

A cold front occurs when a cold air mass moves in under a warm air mass, pushing the warm air up and creating a line of active weather such as thunderstorms or rain showers.

What Causes a Cold Front