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Predicting the Weather

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by

Jessica Szymanski

on 8 February 2017

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Transcript of Predicting the Weather

Predicting the Weather
Studying weather maps help scientists make predictions about how the weather is likely to change.

- shows temperature, precipitation, air masses, and fronts
Weather Maps
- a large body of air with about the same temperature and humidity throughout

- humidity is the amount of moisture in the air

- Continental Polar - cold and dry
- Maritime Polar - cold and wet
- Continental Tropical - warm and dry
- Maritime Tropical - warm and wet

Air Masses
- a place where two different air massess meet

- triangles show cold front

- half circles show warm front

- the triangles and circles point in the direction in which the front is moving

- weather systems move west to east over United States
Fronts
cold front - cold air mass bumps against a warm air mass - temperature drops - thunderstorms/snowstorms

warm front - warm air mass meets a colder air mass and slowly rises over it- stratus clouds form - bring rain- temperature rises

stationary front - two air masses meet and stop moving - clouds and precipitation for days

occuluded front - cold front overtakes warm front when low pressure system forms developing a warm front ahead and a cold front behind it
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