Frontal System

Definition

The boundary between two different air masses. Cold fronts bring rapid weather changes with thunderstorms, warm fronts bring gradual cloud lowering and steady precipitation, and occluded fronts combine both characteristics.

Related Terms

Cold Front

The leading edge of an advancing cold air mass displacing warmer air. Cold front...

Warm Front

The leading edge of an advancing warm air mass riding over retreating cold air. ...

Pressure System

An area of relatively high or low atmospheric pressure. High pressure systems br...

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