Weather Unit Test

What feature is normally associated with the cumulus stage of a thunderstorm?

• Roll cloud

• Continuous updraft

• Frequent lightning

Which weather phenomenon signals the beginning of the mature stage of a thunderstorm?

• The appearance of an anvil top

• Precipitation beginning to fall

• Maximum growth rate of clouds

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 predominantly by downdrafts?

• Cumulus

• Dissipating

• Mature

Thunderstorms reach their greatest intensity during the __________.

• Dissipation stage

• Cumulus stage

• Downdraft stage

• Formation stage

• Mature stage

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 vicinity of thunderstorms?

• Static electricity

• Lightning

• Wind shear and turbulence

In what stage are thunderstorms the strongest?

• Mature

• Dissipating

• Cumulus

What minimum visibility is required for sUAS operations?

• 1 mile

• 3 miles

• 4 miles