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Weather patterns (Severe weather ((a violent, whirling column of air that…

- - - - tornadoes are classified using an intensity scale that begins at F0 and ends at P4
      - tornadoes from when up drafts from thunderstorm begin rotate
- - - - thunderstorms
      - heavy rain
      - snow
      - cooler weather
  - - - long rains, warm weather
  - - - rain, snow, cold air
  - - - rain
      - warm weather
- - - - floating ,dry air
      - cold temperatures in winter
      - cold and humid air
      - cool weather in summer
    - - cold and humid air
      - cloudy rainy weather
      - air mass from
        
        pacific ocean
        
        over the northern Atlantic
  - - - clean skies and high temperature
      - hot and dry
      - during summer
      - over dry,desert land
    - - hot,humid air
      - heavy,snowfall
      - over the werstern atlantic
      - the gulf of mexico
      - the eastern pacific ocean
- - - - The Earth's surface is warmed by the Sun's rays
        
        Warm air rises. This reduces the weight of air pressing down on the Earth's surface.
  - - - air is rising
      - air on the inside rise, it travels toward the center
      - In Thailand begin in ocean
      - the lower the pressure, the worse the weather will be
      - term for low pressure is depression
    - - air is sinking
      - air on the inside falls and travels outward the center
      - bring clear skies, calm conditions, high temperatures
        cold at night and early morning.
      - term for high pressure is anticyclone
      - The earth's atmosphere presses down on the surface of the earth
      - cold,dense air falls. This increases the weight of the air pressing down on the Earth's surface