7.4 thunderstorms

Question 1

if there is thunderstorm activity in the vicinity of an airport at which you plan to land, which hazardous atmospheric phenomenon might be expected on the landing approach

Answer 1

wind-shear turbulence

Question 2

a nonfrontal, narrow band of active thunderstorms that often develop ahead of a cold front is known as a

Answer 2

squall line

Question 3

what conditions are necessary for the formation of thunderstorms

Answer 3

high humidity, lifting force, and unstable conditions

Question 4

during the life cycle of a thunderstorm, which stage is characterized predominately by downshafts

Answer 4

dissipating

Question 5

thunderstorms reach their greatest intensity during the

Answer 5

mature stage

Question 6

what feature is normally associated with the cumulus stage of a thunderstorm

Answer 6

roll cloud

Question 7

which weather phenomenon signals the beginning of the mature stage of a thunderstorm

Answer 7

precipitation beginning to fall

Question 8

thunderstorms which generally produce the most intense hazard to aircraft are

Answer 8

squall line thunderstorms

Question 9

which weather phenomenon is always associated with a thunderstorm

Answer 9

lightning

Question 10

the mature stage of a thunderstorm begins with

Answer 10

the start of precipitation

Question 11

the destination airport has one runway, 8-26, and the wind is calm. The normal approach in calm wind is left hand pattern to runway 8. There is no other traffic at the airport. A thunderstorm about 6 miles west is beginning its mature stage, and rain is starting to reach the ground. The pilot decides to

Answer 11

delay departure until the thunderstorm has dissipated

Question 12

you are avoiding a thunderstorm that is in your flightpath. You are over 20 miles from the cell; however, you are under the anvil of the cell. is this a hazard

Answer 12

yes, hail can be discharged from the anvil