Weather (2222222)

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Weather (2222222)

  1. 1. What is weather? Refers to the state of the atmosphere at a specific time and place. The one thing that you can talk to anybody about If you don’t like the weather just waitaround it will change in Texas What are some of the factors that affect the weather?
  2. 2. Air TemperatureTemperature is themeasure of theaverage amount ofmotion in particles.
  3. 3. Winda natural movement ofair of any velocity;especially : the earthsair or the gassurrounding a planet innatural motionhorizontally
  4. 4. HumidityThe amount of water vapor present in the airRelative Humidity -is a measure of theamount of water vapor present in the aircompared to the amount needed forsaturation at a specific temperature
  5. 5. Clouds Masses of small water droplets or tiny ice crystals that float in the air. Three main types are cirrus, cumulus, and stratus. Other clouds are a mixture of these three main types.
  6. 6. Cirrus Cirro- means “curled” or “feathery” Form highest in the sky; are made up of ice crystals; and appear as curls, tufts, or wisps. Usually signal the end of clear weather.
  7. 7. Cumulus Cumulo- means “heaped” or “piled” Cottony clouds with flat, usually gray bases, and puffy, bright tops. Usually signal good weather, but if atmosphere is unstable, can build into towering clouds that produce showers and thunderstorms.
  8. 8. Stratus Strato- means “layer-like” or “sheet-like.” Low-lying, dull-colored clouds that form in layers or sheets. Usually bring drizzling rain or light-falling snow.
  9. 9. Alto A prefix meaning “middle range of clouds “ and used to describe clouds that lie from 6,500-18,500 ft. (1,980-5,640m).
  10. 10. Nimbus A rain cloud
  11. 11. Other Cloud TypesCirrocumulus CirrostratusStratocumulus Cumulonimbus
  12. 12. More Cloud Types AltostratusAltocumulus Nimbostratus
  13. 13. Precipitation Water that falls from the clouds Air temperature determines the form of precipitation that falls 4 main types of Precipitation: Rain, Sleet, Snow and Hail
  14. 14. Types of Precipitation Rain Sleet Snow Hail
  15. 15. Air Masses A large body of air that has properties similar to the part of the Earth’s surface over which it develops.
  16. 16. Air Mass Map
  17. 17. Fronts A boundary between two air masses of different density, moisture, or temperature.
  18. 18. Cold Front
  19. 19. Warm Front
  20. 20. Occluded Front
  21. 21. Stationary Front
  22. 22. Severe WeatherThunderstorms Lightning Tornadoes
  23. 23. More Severe WeatherHurricanes Blizzards
  24. 24. Severe Weather Safety Watches- conditions are favorable Warnings- conditions already exist Examples- Tornadoes, Flooding, Thunderstorms, Blizzards, Winter Mixes and Hurricanes
  25. 25. Lightning
  26. 26. Tornado Alley
  27. 27. Fujiti Scale
  28. 28. Weather Map
  29. 29. Hurricane
  30. 30. Hurricane Scale
  31. 31. Hurricane Charley
  32. 32.  Two sources of forecasting weather – Data collected from upper atmosphere – Data collected on the Earth’s surface
  33. 33. Weather Station Model
  34. 34. Isobars Isobars-connect points of the “same” Examples: temperature and wind speed The further away the lines the lower the wind speed
  35. 35. This powerpoint was kindly donated towww.worldofteaching.comhttp://www.worldofteaching.com is home to over athousand powerpoints submitted by teachers. This is acompletely free site and requires no registration. Pleasevisit and I hope it will help in your teaching.

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