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The "Bowen Ratio" describes the difference between
"Sensible Heating" and "Latent Heating".

                            Sensible Heating
Example:     Bowen Ratio = ----------------
                            Latent heating


1.  The Bowen Ratio is the ratio of heat used for conduction & 
    convection (Sensible Heating) to heat used for vaporization
    of water (Latent Heating).


2.  The ratio of sensible heating to latent heating for oceans is 
    about 1:10. For dry regions about 2:1. 


3.  The drier the land surface the less latent heating and more
    sensible heating.

4.  "Sensible Heating" produces about 30 percent of the atmosphere's
    heat as to about 70 percent for "Latent Heating."


5.  "Sensible Heating" heats the atmosphere to about 4,000 feet.


6.  "Latent Heating heats the atmosphere up to the "Tropopause" 
    40,000 to 60,000+ Ft. and sometimes beyond into the
    "Stratosphere." "Thunderstorms."


7.  The Earth's surface is covered by about 70 percent water.

8.  When Sensible Heat combines with condensation, cumulus clouds 
    form.

9.  Cumulus clouds callef fair weather clouds because of no
    precipitation.

10. When conditions are right, (Sensible Heat) becomes extreme to
    combine with condensation and the (CB) cumulonimbus clouds,
    thunderstorms form.





"H E A T"




1. An ice cube in water. The ice cube stays ar 32 degrees F.,
   until all the ice is melted.

2. Specific Heat of ice is 0.5 Calories per gram at 0 degrees C.

3. When water freezes laten heat of fusion is released.

4. Latent Heat is greater throughout the world because the ocean
   water covers 71 oercent of the Earth's surface. This is called
   the Bowen Ratio.