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B.Tungalagtuya
Weather is....The current state of theatmosphere...what is happening right now
Air PressureWarm air= expanding or rising air= leavesbehind L pressureCold Air=sinking air= leaves an area of Hpressure
W in d M o v e -     me n t         Uneven heating of the         earth’s surface causes         some areas to be         ...
What causes winds?A wind is a horizontal     Winds are measuredmovement of air from       by direction and speeda area of ...
Water in the Atmosphere: Hu-            midityHumidity: measure of the amount of water vapor stuckbetween molecules in the...
Cloud FormationClouds form when water vapor condens-es on dust, salt particles in the airThe temperature in which condensa...
TYPES OF CLOUDSCirrus Clouds: wispy, feathery clouds          Form only at high levels, therefore are made of i
Types of CloudsCumulus Clouds: are puffy white cottonball looking clouds
Cumulonimbus CloudsThese are thunderstorm clouds
Types of CloudsStratus Clouds: clouds that form in flatlayers- cover all or most of the sky andare low level clouds
Air MassesAir masses are masses of air that havethe same characteristics of the surfaceover which it developsPressure Syst...
Weather FoldableWarm frontCold frontOccluded frontStationary Front
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Weather

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Transcript of "Weather"

  1. 1. B.Tungalagtuya
  2. 2. Weather is....The current state of theatmosphere...what is happening right now
  3. 3. Air PressureWarm air= expanding or rising air= leavesbehind L pressureCold Air=sinking air= leaves an area of Hpressure
  4. 4. W in d M o v e - me n t Uneven heating of the earth’s surface causes some areas to be warmer than others. As we know, warm al- ways follows cold to share it’s warmth- when this happens in the atmosphere, wind
  5. 5. What causes winds?A wind is a horizontal Winds are measuredmovement of air from by direction and speeda area of high pres-sure to an area of low The anemometer ispressure the tool we use toIt is this difference in measure thispressure that makes Wind chill=↑ coolingthe air move=wind the wind causes
  6. 6. Water in the Atmosphere: Hu- midityHumidity: measure of the amount of water vapor stuckbetween molecules in the air. The air’s ability to holdwater depends on the air tempThe hotter the air, the more water the air can holdCold air: molecules move slower so droplets of watercan start to stick together=condensationRelative humidity: the amount of water vapor(%) com-pared to the amount the air can hold- tool used is apsychrometer.100%=air is saturated
  7. 7. Cloud FormationClouds form when water vapor condens-es on dust, salt particles in the airThe temperature in which condensationbegins is called the dew point
  8. 8. TYPES OF CLOUDSCirrus Clouds: wispy, feathery clouds Form only at high levels, therefore are made of i
  9. 9. Types of CloudsCumulus Clouds: are puffy white cottonball looking clouds
  10. 10. Cumulonimbus CloudsThese are thunderstorm clouds
  11. 11. Types of CloudsStratus Clouds: clouds that form in flatlayers- cover all or most of the sky andare low level clouds
  12. 12. Air MassesAir masses are masses of air that havethe same characteristics of the surfaceover which it developsPressure Systems descending (going down)=H pressure ascending (going up)=L pressure
  13. 13. Weather FoldableWarm frontCold frontOccluded frontStationary Front
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