Climate is the characteristic weather that prevails from season to season and year to year.

Weather

Weather and Climate

ClimateClimate is the characteristic weather that prevails from season to season and year to year

Climate

WeatherThe condition of the atmosphere at a specific time and place

WeatherThe uneven heating of Earths surface is the cause of weather

Air Massesform when air remains nearly stationary over a large section of Earthtake on the conditions of temperature and humidity from that location

Air masses

FrontsBoundaries between air masses

Precipitation occurs along the fronts

Cold Front

Warm Front

Air Pressure 1013 millibars is standard air pressure

High Pressure SystemBrings fair weather

Low pressure system

Brings cloudy, unstable rainy weather

Prevailing WindsThe movement of air masses is determined by prevailing winds and upper air currents.

Prevailing Winds

Prevailing winds in the US travel west to eastReading Weather Maps

Weather Map Example

Weather Map Example

Weather Map Example

Hazardous WeatherExplain that hazardous weather conditions include thunderstorms, tornadoes, hurricanes, icestorms, and blizzards. Preparing for Hazardous WeatherHumans can prepare for and respond to these conditions if given sufficient warning.