Air Masses & Fronts Earth Science Mr. Cloud.

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Presentation transcript:

Air Masses & Fronts Earth Science Mr. Cloud

Air Mass A large body of air in the troposphere with similar characteristics of pressure, moisture, and temperature

Types of Air Masses

Synoptic Weather Map

Cold Front the boundary of an advancing cold air mass and warm air mass, where the underlying cold air pushes forward like a wedge

Warm front is the boundary of an advancing warm air mass and a retreating wedge of a cooler air mass; warm air rises over the cooler air

How do we locate fronts on weather maps? Helpful Hints: locate a steep temperature gradient locate a steep pressure gradient find an abrupt change in wind direction locate regions of precipitation