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

3. 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

4. Stationary Front Warm air and cold air aren’t moving – staying still

5. http://www. weather. com/weather/map/interactive/l/08846:4:US