Condensation: Dew, Fog (PART 1) and Clouds (PART 2) Please read Chapter 6 in Ahrens Condensation Condensation is the phase transformation of water vapor to liquid water Water does not easily condense without a surface present
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Please read Chapter 6 in Ahrens
If small drops evaporate, how can we ever get large drops?!
Solute moleculeThe Solute Effect
Moist air flows up along sloped plain, hill or mountain
Expansion of rising air causes cooling and RH increases
Evaporation (mixing) fog
Mixing of warm, moist air with colder air produces saturated air parcel
Exhale on a cold day
Evaporation of water from relatively warm, wet surface and mixing with colder air above.
(Smokestack plume, contrails)Other Fog Types