Many flash floods, including the one that occurred in Colorado's ...

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Many flash floods, including the one that occurred in Colorado's Big Thompson Canyon, are the result of thunderstorms that
   a. contain no lightning.
   b. form in a dry air mass.
   c. move slowly.
   d. have weak or non-existent downdrafts.
   e. lack the dissipating stage.

Question 2

Squall lines generally do not form
   a. behind a cold front.
   b. when the air aloft develops waves downwind from a cold front.
   c. along a cold front.
   d. in the warm sector where warm, dry air meets warm, humid air.
   e. ahead of an advancing cold front.

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Answer to Question 1

ANSWER: c

Answer to Question 2

ANSWER: a