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2. Select words from the list below to complete the following sentences. Some of the

words may be used more than once, and you may have to make the word plural or
change the tense. Do not try to write the words in the spaces.
case potential (-ly) tornado

cell predominant waterspout

funnel predominate

laterl (-ly) roll cloud

a. It is easier to pour water into a bottle if you have a ______________ .

b. Helicopters can move in all directions, up and down, forward and backward,

and ___________________ .

c. He is ____________ the best student in the class, but he won't study or do his
homework, so his grades are poor.

d. You may have a tornado, but don't expect to see a ____________ in a desert
country.

e. Thunderstorms usually are over in an hour and a half, but in the ___________

of a squall line they may last up to 24 hours.
f. A squall line is a series of thunderstorm ____________ that develop in advance of
a cold front.

g. Updrafts _____________ in the cumulus stage of a thunderstorm.

h. In the United States the ______________ movement of cold air. is from the
northwest to the southeast.

i. The rotor cloud and the _____________ look like each other, and they both are
signs of severe turbulence.

j. A _____________ is a vertical vortex of rapidly rotating air that touches the
ground.

k. Every thunderstorm _____________ goes through three stages in its life-cycle.

l. Tornadoes and waterspouts begin as a _____________ cloud.
m. One _______________ danger of any severe thunderstorm is that tornadoes can
develop.

n. Severe maritime thunderstorms have the __________ to produce __________ .