Weather Symbols

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Fronts Symbol What happens?

Weather

Cold front Cold air moves under warm air & pushes it up

Thunderstorms, rain, & snow

Warm front Warm air moves over cold air & replaces it

Drizzly rain followed by clear weather

Occluded front Warm air is trapped b/w 2 cold air masses; cold air pushes warm air up

Cool temp. With large amounts of rain or snow

Stationary front Cold air meets warm air—neither moves

Cloudy, wet weather

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3 Main Climate ZonesSections 17.2 & 17.3

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3 Main Climate Zones3 Main Climate Zones

1. Polar Zone

2. Temperate Zone

3. Tropical Zone

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Polar ZonePolar Zone1. Located @ the N & S Poles2. 66.5 ºN & 66.5 ºS3. Coldest avg. temp. of all climate

zones4. Temp. in winter below freezing:

-17 ºF5. Temp. in summer avg. 41 ºF

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C. Temperate ZoneC. Temperate Zone

1. Located from about 30 º - 60 º N S of the equator

2. Mild season changes3. Avg. temp. in winter 32 ºF 4. Avg. temp. in summer 82 ºF

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D. Tropical ZoneD. Tropical Zone1. Located from 0 ºN & S of the

equator2. Receive the most direct sunlight3. Avg. temp.: hot, except @ high

elevations4. Avg. temp. in winter 77 ºF5. Avg. temp. in summer 82 ºF;

can be higher

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