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WHAT ARE THE FIVE AVIATION FOGS
1. RADIATION FOG
2. ADVECTION FOG
3. UPSLOPE FOG
4. PRECIPITATION -INDUCED FOG
5. ICE FOG
WHAT ARE THE CHARACTERISTICS OF RADIATION FOG?
1. restricted to land
2. little of no wind is involved
3. small dew point temperature spread
CHARACTERISTICS OF ADVECTION FOG
Moist air moves over colder ground and water to create advection fog
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
Moist stable air is cooled adiabatically as it moves up a slopes terrain creating fog
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.
PRECIPTATION -INDUCED FOG
Warm rain falls through cool air, evaporation from preciptation saturates the cool air and forms fog.
Same as radiation fog except cold temperatures are involved.
WHAT FORMS FOG
1.Small temperature and dew point spread
2.cooling air to dew point
3. adding moisture to air near ground
THE FIVE FOGS AND THEIR CHARACTERISTICS