ASTB

Card Set Information

Author:
jwinko12
ID:
138311
Filename:
ASTB
Updated:
2012-02-28 02:29:52
Tags:
AVIATION FOG
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Description:
THE FIVE FOGS AND THEIR CHARACTERISTICS
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  1. WHAT ARE THE FIVE AVIATION FOGS
    • 1. RADIATION FOG
    • 2. ADVECTION FOG
    • 3. UPSLOPE FOG
    • 4. PRECIPITATION -INDUCED FOG
    • 5. ICE FOG
  2. WHAT ARE THE CHARACTERISTICS OF RADIATION FOG?
    • 1. restricted to land
    • 2. little of no wind is involved
    • 3. small dew point temperature spread
  3. CHARACTERISTICS OF ADVECTION FOG
    Moist air moves over colder ground and water to create advection fog
  4. SEA FOG AKA ADVECTION DEFINITION
    Advection is the transfer of a property of the atmosphere such as heat, cold or humidity by the horizontal movement of an air mass
  5. UPSLOPE FOG
    Moist stable air is cooled adiabatically as it moves up a slopes terrain creating fog
  6. ADIABATIC
    When gas expands under adiabatical conditions its pressure and temperature both decrease without gain or loss of heat.

    The adiabatic cooling of air as it rises in the atmosphere is the main cause of cloud formation.
  7. PRECIPTATION -INDUCED FOG
    Warm rain falls through cool air, evaporation from preciptation saturates the cool air and forms fog.
  8. ICE FOG
    Same as radiation fog except cold temperatures are involved.
  9. WHAT FORMS FOG
    • 1.Small temperature and dew point spread
    • 2.cooling air to dew point
    • 3. adding moisture to air near ground

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