Thunderstorms Page: 8 of 17
iv, 12 p. : ill. ; 27 cm.View a full description of this pamphlet.
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ANSWERS: b.
c.unequal heating of the earth.
both of the above.FRAME 2
Conditionally unstable air is the second factor for thunderstorm
development. It is defined as: Air that, upon being lifted to a critical
height (level of free convection) will continue to rise due to the
difference in its temperature and that of the surrounding air.Level of Free Convcti
Hgh \
( TAmp
: Air /Low T-m>P\
t-Ai . _ _ _.
;&^ __tbAs shown in the above diagram, the warmer air continues to rise without
the assistance of terrain lifting because warm air rises in a cooler
mass of air.
The level of free convection is:
a. an altitude at which the air continues to rise because of
momentum gained from the initial lifting force.
1). an altitude at which air will continue to rise in the absence
of its initial lifting force.
c. an altitude equivalent to the height of the mountain top.3
Low Temp
I...
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Turgeon; Sukalski; Burdick, R. L. & McKinney, S. A. Thunderstorms, pamphlet, January 1970; Texas. (https://texashistory.unt.edu/ark:/67531/metapth46569/m1/8/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting Boyce Ditto Public Library.