Pressure Systems L H Barometer High Pressure Low Pressure

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Presentation transcript:

Pressure Systems L H Barometer High Pressure Low Pressure Cool, dry air Warm, moist air Good weather Bad weather

Fronts Cold Warm Points in the direction it is travelling A front is a boundary between cold air and warm air masses, resulting in stormy weather. Cold Warm Cold air will replace warm air Warm air will replace cold air Points in the direction it is travelling

Stationary Front Warm air and cold air aren’t moving – staying still http://www.weather.com/weather/map/interactive/l/08846:4:US?animation=true

http://www. weather. com/weather/map/interactive/l/08846:4:US http://www.weather.com/weather/map/interactive/l/08846:4:US?animation=true