Weather

What are the earth’s four spheres?

the geosphere, the hydrosphere, the biosphere, and the atmosphere.

What Creates Weather?

●The sun drives weather by heating air in the lower atmosphere at varying rates.

●Warm air rises and cold air moves in to fill its space, causing wind.

●These winds, combined with water vapor, influence the formation and movement of clouds, precipitation, and storms.

Tropical zones . . .

are hot and humid all year.

What is Deforestation ?

The clearing of forests into non-forest land uses like agriculture or urban area

Polar zones . . .

are cold with long winters.

Temperate zones . . .

have seasons with moderate climates.

Climate zones . . .

are based on latitude.

High-pressure systems . . .

usually bring clear skies.

Low-pressure systems

often cause clouds and storms.

Fronts are . . .

boundaries between air masses

Cold fronts . . .

can bring heavy rain or storms.

Warm fronts . . .

usually bring light rain and warmer air

Climates

Long-term patterns of weather in a region and time, usually taken over 30-years.