Climate And Weather

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fast moving high altitude air flow

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Jet Stream

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cold air from north, warm air from south

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Jet stream

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steers weather systems and storms

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Jet stream

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clash can produce severe weather

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jet stream

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flows from west to east

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jet stream

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heat up and cool down more slowly than land

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bodies of water

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moderating effect on climate

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bodies of water

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near water=cooler summers and warmer winters

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bodies of water

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ocean coast=temps. don't range very much and more rain

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bodies of water

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away from water-temps more extreme and drier

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bodies of water

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further north, colder and drier

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latitude

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two factors-sun's ray's and curvature of the Earth

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latitude

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further north-heat is spread over a larger area

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latitude

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warm ocean currents make the coast warmer

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ocean currents

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cold ocean currents make the coast colder

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ocean currents

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cold meets warm=more than average rain and fog(east coast)

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ocean currents

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east coast Gulf Stream=cool,humid, summers and short,cool winters

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ocean currents

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west coast-North Pacific Drift current- lots of rain and moderating temps.

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ocean currents

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winds blow from high to low pressure called pressure gradient

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winds

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low pressure- air rises

high pressure- air desends

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winds

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low pressure- cloudy with rain

high pressure- clear and nice

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winds

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warm air mass+cold air mass=rain

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winds

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Canada's common wind-westerlies [west to east]

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winds

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direction of wind- Coriolis force

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winds

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result-northeast trade wind westerlies and polar eastlies

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winds

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higher elevation- colder temps.

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elevation

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up a mountain- colder temps.

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elevation

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down a mountain- warmer temps.

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elevation

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temps. decrease or increase= lapse rate

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elevation

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average lapse rate= 3 degrees every 1000 feet

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elevation

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change of elevation and cause rain

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relief

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warm moist air condenses to form clouds

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relief

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water vapor condenses to form rain or snow

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relief

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most relief falls on the windward side

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relief

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2 air masses collide- turns into water vapor and falls from clouds

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relief

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heat from the sun causes warm air to rise and makes rain

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relief