Factors affecting climate
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Factors Affecting Climate. LAME COWS. The closer you get to the equator , the hotter it gets =. L = Latitude. Gee it's hot in Brazil! The tropics always get my direct rays!. Low Latitude = high Temp Middle Latitudes= seasonal temperature Higher latitudes= lower temperature.

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Factors Affecting Climate


  • The closer you get to the equator, the hotter it gets


L = Latitude

Gee it's hot

in Brazil! The tropics always get my direct rays!

Low Latitude = high Temp

Middle Latitudes= seasonal temperature

Higher latitudes= lower temperature

Tilt of the earth creates the Seasons

June 21, Summer Solstice

  • Polar air moves towards tropics, tropics move to poles

  • When two air masses meet= wind, storms, fronts

A = Air Mass

  • Blocks air & moisture


M = Mountain Barrierthe Orographic Effect

Leeward Side

Rain Shadow

Let’s draw this!

Windward side of the Cascades

Leeward side of the Cascades

Rain Shadow

  • The higher you go, the colder and drier it gets

  • Temperature drops 3.5 degrees per 1,000 feet increase!

E = Elevation

75 °at bottom


47° temp at top

3.5° (from formula

x 8 (mt. highth)


  • Location : Center of continent. Not influenced by proximity to water.

    Water and land heat and cool at different rates which affects temperature and precipitation.

C = Continental Location-Continentatlity

When a place is completely surrounded by

land. (landlocked) and away from water!

St. Louis is hotter than Houston in the Summer

Experiment: Bucket of sand vs. a bucket of water. Which one will heat up quicker and will have a higher temperature?

O = Ocean Currents

  • Warm water moves away from the equator

    Cold water moves away from the poles

Gulf Stream

North Atlantic Drift

  • High pressure is heavy, cold air

  • Low pressure is light, warm air.

  • Heat rises- cool falls convection!!

  • Prevailing winds- consistent pressures and winds

W = Winds – pressure and prevailing winds

  • When air masses hit they create storms.

  • The type of storm depends on the type of air mass.

  • Tornadoes - Fujita-Pearson scale-

    • F0= 40-70mph F5= around 300mph

S = Storms

S- Storms. Seasonal storms will greatly influence the climate of a place.

Hurricanes- Atlantic O, Gulf of Mexico

Typhoons- Pacific O.

Cyclones- Indian O.

Monsoons- the seasonal shift in winds that affect South Asia.

Arid Climate

  • Fargo, North Dakota

  • Paris, France

  • Calcutta, India

  • Santiago, Chile

  • Canberra, Australia

Using your textbook what factors contribute to the cities below?

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