By: Taylor Bauman
Adiabatic Temperature Changes
 Happens when air is compresses or expanded.
 When it expands it cools and when it compres...
Orographic Lifting
 When elevated terrains act like barriers for air to flow.
 If air descends, it warms adiabatically, ...
Frontal Wedging
 Associated with specific storms called middle-latitude
cyclones.
 Cooler, denser air acts as a barrier ...
Convergence
 Air in lower atmosphere flows together.
 Florida experiences the greatest number of mid-
afternoon thunders...
Localized Convective Lifting
 On warm summer days, unequal heating of the Earth’s
surface may cause pockets of air be war...
Stability
 Stable air tends to remain in its original position, while
unstable air tends to rise.
 Measured by the tempe...
Condensation
 Air must be saturated.
 Water vapor in air turns to liquid.
 Occurs at dew point.
http://decorating.visit...
Types of Clouds
 Classified by their form and height.
 3 types: Cirrus, Cirromulus, Cirrostratus.
http://www.usatoday.co...
High Clouds
 Cirromulus consist of fluffy mass.
 Cirrostratus clouds are flat layers.
http://cloudjournal.blogspot.com/2...
Middle Clouds
 Altocumulus clouds consist of a rounded mass, larger
and denser.
http://www.ifimages.com/public/image/139
...
Low Clouds
 3 members: Stratus, Stratocumulus, and
Nimbostratus.
 Uniform, fog-like layer.
http://www.colby.edu/cpse/equ...
Clouds of Vertical Development
 Bases are in low height range but extend upward.
 They are all related and have unstable...
Fog ( by cooling and by
evaporation)
 Fog is a cloud with its base at or very near ground.
 Fog can form on cool, calm, ...
Cold Cloud Precipitation
 Bergeron process relies on two physical processes:
supercooling and supersaturated.
 Liquid be...
Warm Cloud Precipitation
 The thing that forms raindrops is called the collision-
coalescence process.
 As the raindrops...
Rain and Snow
 The term rain means droplets that fall from a cloud
and a diameter of at least 0.5 mm. (smaller droplets a...
Sleet, Glaze and Hail
 Sleet is the fall of small particles of clear ice.
 Glaze also known as freezing rain happens whe...
The End
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Clouds and precipitation project

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Clouds and precipitation project

  1. 1. By: Taylor Bauman
  2. 2. Adiabatic Temperature Changes  Happens when air is compresses or expanded.  When it expands it cools and when it compresses it warms.  As you travel up in the atmosphere the atmosphere pressure decreases because there are fewer and fewer gas molecules. http://www.kidsgeo.com/geography-for-kids/0070- adiabatic-temperature-changes.php
  3. 3. Orographic Lifting  When elevated terrains act like barriers for air to flow.  If air descends, it warms adiabatically, then it makes condensation and precipitation even less likely. http://www.nc-climate.ncsu.edu/edu/k12/.LiftingMechanisms
  4. 4. Frontal Wedging  Associated with specific storms called middle-latitude cyclones.  Cooler, denser air acts as a barrier over the warmer, less dense air that rises. http://www.wou.edu/las/physci/taylo r/gs106/atm2_precip_files/frame.htm #slide0004.htm
  5. 5. Convergence  Air in lower atmosphere flows together.  Florida experiences the greatest number of mid- afternoon thunderstorms. http://certik.github.com/femhub.org/
  6. 6. Localized Convective Lifting  On warm summer days, unequal heating of the Earth’s surface may cause pockets of air be warmed more than the surrounding air. https://www.meted.ucar.edu/sig n_in.php?go_back_to=http%253 A%252F%252Fwww.meted.ucar.e du%252Fdot%252Fprint.htm
  7. 7. Stability  Stable air tends to remain in its original position, while unstable air tends to rise.  Measured by the temperature of the atmosphere at various heights. http://serc.carleton.edu/introgeo/models/E qStBOT.html
  8. 8. Condensation  Air must be saturated.  Water vapor in air turns to liquid.  Occurs at dew point. http://decorating.visitacasas.com/how-to- combat-condensation/
  9. 9. Types of Clouds  Classified by their form and height.  3 types: Cirrus, Cirromulus, Cirrostratus. http://www.usatoday.com/weather/wcirrus. htm
  10. 10. High Clouds  Cirromulus consist of fluffy mass.  Cirrostratus clouds are flat layers. http://cloudjournal.blogspot.com/2007/11/c ross-winds.html
  11. 11. Middle Clouds  Altocumulus clouds consist of a rounded mass, larger and denser. http://www.ifimages.com/public/image/139 051/view.html
  12. 12. Low Clouds  3 members: Stratus, Stratocumulus, and Nimbostratus.  Uniform, fog-like layer. http://www.colby.edu/cpse/equipment2/hig hclouds/high.html
  13. 13. Clouds of Vertical Development  Bases are in low height range but extend upward.  They are all related and have unstable air. http://www.pilotfriend.com/av_weather/me teo/clouds.htm
  14. 14. Fog ( by cooling and by evaporation)  Fog is a cloud with its base at or very near ground.  Fog can form on cool, calm, clear nights. http://www.physicalgeography.net/fundame ntals/8f.html
  15. 15. Cold Cloud Precipitation  Bergeron process relies on two physical processes: supercooling and supersaturated.  Liquid below 0 degrees Celsius is said to be supercooling. http://ocw.usu.edu/Forest__Range__and_W ildlife_Sciences/Wildland_Fire_Managemen t_and_Planning/Unit_4__Temperature- Moisture_Relationship_7.html
  16. 16. Warm Cloud Precipitation  The thing that forms raindrops is called the collision- coalescence process.  As the raindrops move they join together with smaller, slower droplets. http://www.srh.noaa.gov/fwd/?n=warmrain paper
  17. 17. Rain and Snow  The term rain means droplets that fall from a cloud and a diameter of at least 0.5 mm. (smaller droplets are called drizzle)  At very low temperatures light, fluffy snow made up of 6 sided ice crystals. http://www.its.caltech.edu/~atomic/snowcr ystals/photos/photos.htm
  18. 18. Sleet, Glaze and Hail  Sleet is the fall of small particles of clear ice.  Glaze also known as freezing rain happens when raindrops become supercooled. http://www.alabamawx.com/?tag=sleet
  19. 19. The End

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