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|  AVIATION WEATHER
CHAPTER FOUR
STUDY QUESTIONS
Thunderstorms
1.
The atmospheric conditions necessary for the formation of a thunderstorm include a
combination of______________________.
a.
stable air or relatively low humidity and some type of lifting action
b.
stable air of relatively high humidity and some type of subsiding action
c.
unstable air of relatively low humidity and some type of subsiding action
d.
unstable air of relatively high humidity and some type of lifting action
2.
Select the best match of a thunderstorm's life cycle with the appropriate characteristics.
a.
Cumulus updrafts
b.
Mature updrafts, downdrafts and hazards
c.
Dissipating updrafts
d.
Both a and b
3.
Which one of the following hazards to flight are associated with thunderstorms?
a.
Hail, turbulence, and lightning
b.
Hail, icing, and microbursts
c.
Hail, turbulence, and icing
d.
All of the above are correct
4.
Which one of the following is an indication of turbulence found in thunderstorms?
a.
Cirrus clouds
b.
The gust front
c.
Orographic lifting
d.
Severe icing
5.
Which one of the following type clouds could indicate the possibility of microburst
activity?
a.
Convective only
b.
Cumulonimbus only
c.
Both a and b
d.
6.
Which one of the following telltale signs in the vicinity of thunderstorms should alert you
to the possibility of microburst activity?
a.
Roll clouds
b.
Blowing dust
c.
Gusty conditions
d.
All of the above
Thunderstorms
4-17
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