Weather 2

What conditions are necessary for the formation of thunderstorms?

• high humidity, lifting force, and unstable conditions

• high humidity, high temperature, and cumulus clouds

• lifting force, moist air, and extensive cloud cover

During the life cycle of a thunderstorm, which stage is characterized predominately by downdrafts

• cumulus

• dissipating

• mature

Thunderstorms reach their greatest intensity during the

• mature stage

• downdraft stage

• cumulus stage

Thunderstorms which generally produce the most intense hazard to aircraft are

• squall line thunderstorms

• steady state thunderstorms

• warm front thunderstorms

A nonfrontal, narrow band of active thunderstroms that oftern develop ahead of a cold front is known as a

• prefrontal system

• squall line

• dry line

If there is thunderstorm activity in the vicinity of an airport at which you plan to land, which hazardous atmospheric phenomenon might be expected during recovery/landing of the sUAS

• precipitation static

• wind shear turbulence

• steady rain

Which weather phenomenon is always associated with a thunderstorm

• lightning

• heavy rain

• hail

Which is considered to be the most hazardous condition when flying an sUAS in the vicinty of thunderstorms

• static electricity

• lightning

• wind shear and turbulence

What is the expected duration of an individual microburst

• Two minutes with maximum winds lasting approximately 1 munute

• One microburst may continue fora s long as 2 to 4 hours

• Seldom longer than 15 minutes from the time the burst strikes the ground until dissipation

In what stage are thunderstorms the strongest

• mature

• dissipating

• cumulus