Part 107 weather questions

(Refer to FAA-CT-8080-2H, Figure 12.) What are the current conditions for Chicago Midway Airport (KMDW)?

• A. Sky 700 feet overcast, visibility 1-1/2SM, rain.

• B. Sky 7000 feet overcast, visibility 1-1/2SM, heavy rain.

• C. Sky 700 feet overcast, visibility 11, occasionally 2SM, with rain.

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

• A. The appearance of an anvil top.

• B. Precipitation beginning to fall.

• C. Maximum growth rate of the clouds.

(Refer to FAA-CT-8080-2H, Figure 12.) The wind direction and velocity at KJFK is from

• A. 180° true at 4 knots.

• B. 180° magnetic at 4 knots.

• C. 040° true at 18 knots.

Answer explanation

This is how you remember if something is true or magnetic. “If it is in print, it must be true.” The only exceptions are for runways, VOR compass rose, and AWOS/ASOS headings when you call from a phone.]

What are the characteristics of stable air?

• A. Good visibility and steady precipitation. [It would be poor visibility].

• B. Poor visibility and steady precipitation.

• C. Poor visibility and intermittent precipitation.

Thunderstorms which generally produce the most intense hazard to aircraft are

• A. squall line thunderstorms.

• B. steady-state thunderstorms.

• C. warm front thunderstorms.

What are characteristics of a moist, unstable air mass?

• A. Turbulence and showery precipitation.

• B. Poor visibility and smooth air.

• C. Haze and smoke.

Which thunderstorm lifecycle stage is mostly characterized by downdrafts?

• A) Cumulus

• B) Dissipating

• C) Mature

The presence of ice pellets at the surface is evidence that there

• A. are thunderstorms in the area

• B. is a temperature inversion with freezing rain at a higher altitude

• C. has been a cold frontal passage

What is the best way for a remote pilot to determine the likelihood of local fog formation?

• A. Monitor the wind conditions to insure the wind speed is not increasing

• B. Monitor the barometric pressure to ensure that it is not decreasing

• C. Monitor the temperature / dew point spread

Which weather phenomenon is always associated with a thunderstorm?

• A. Heavy rain

• B. Hail

• C. Lightning