Test review ppt

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Test review ppt

  1. 1. Similarities Between Tornados and Hurricanes<br />Low Pressure<br />Latent Heat of Condensation<br />Strong Winds<br />Hazardous to Life and Property<br />
  2. 2. How do they differ?<br />Location<br />Size (300 miles vs. ¼ mile)<br />Duration<br />Season of Occurrence<br />Distinctive Hazards<br />
  3. 3. Layers of the Atmosphere<br />Thermosphere<br />Mesosphere<br />Stratosphere<br />Troposhpere<br />Temperature is how they are divided<br />
  4. 4. What is the greenhouse effect?<br />Ground is heated by visible and some infrared light from Sun (short wave)<br />Heated surface emits IR light (long wave radiation)<br />
  5. 5. 4 Types of Thunderstorms<br />Single Cell<br />Multicellular<br />Supercell<br />Severe thunderstorms<br />
  6. 6. How is a cloud formed?<br />
  7. 7. How is a cloud formed?<br />
  8. 8. How is a cloud formed?<br />
  9. 9. Air Masses<br />
  10. 10. High Pressure<br />Anticyclonic circulation<br />Cool air sinks<br />Clear skies, more sun = more short wave radiation<br />
  11. 11. Low Pressure<br />Winds are cyclonic and wind near earth surface flow toward LP<br />Warm air rises<br />Cloudy skies cause lower temperatures during the day<br />
  12. 12. Classifying Clouds<br />Form<br />Cumulus (heap)<br />Stratus (layer)<br />Cirrus (curl of hair)<br />Nimbus (rain producing)<br />Height<br />High<br />Middle<br />Low<br />Vertical development (cross height categories)<br />
  13. 13. How does wind happen?<br />Pressure Gradient Force<br />Initiates air motion<br />Distribution across globe varies, which explains air motion/winds<br />Coriolis<br />Air in motion in the North(South) is deflected to the<br />Friction<br /> Terrain will affect how wind blows over it<br />
  14. 14. 4 Lifting Mechanisms of Air<br />Orographic Uplift<br />Convection<br />Frontal Lifting<br />Convergence<br />
  15. 15. Albedo<br />The reflective quality of the surface<br />Light color = high albedo<br />Dark color = low albedo<br />
  16. 16. Different Types of Spheres<br />Geosphere<br />All processes associated with the solid earth<br />Hydrosphere <br />All processes associated with water<br />Atmosphere <br />All processes associated with the gases that envelope the earth<br />Biosphere <br />All processes that involve living organisms<br />
  17. 17. Radiation<br />Short wave = Sun<br />Long wave = Earth<br />
  18. 18. Ozone in Stratosphere<br />Forms naturally<br />Absorbs UV Rays<br />One CFC can decompose < 100,000 O3<br />
  19. 19. Thermal/Temperature Inversion<br />When the surface cools rapidly, pollutants or moisture can be trapped below warmer air (inversion layer)<br />Forms a haze over an area<br />
  20. 20. Gases in Atmosphere<br />Nitrogen <br />Oxygen<br />Argon<br />
  21. 21. Mid Latitude Cyclones<br />They are one of the primary weather producers in the mid lats.<br />They are large (~2,000 km), moving atmos. vortices with centers of low atmos. pressure<br />Can last a few days to more than a week and cover large portions of the continent<br />Can bring abrupt changes in wind, temp, and sky conditions.<br />Tend to be stronger and more numerous in fall, winter, and spring!<br />

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