PPL PPL Aviation Weather Services and Meteorology

Question 1

What does a METAR report provide?

Accepted Answer

A surface weather observation of current conditions at a specific airport

Answer

A 24-hour forecast of weather at an airport

Answer

A long-range weather outlook for a region

Answer

A wind forecast for all altitudes along a route

Question 2

What does the METAR cloud entry 'OVC010' indicate?

Accepted Answer

Overcast clouds at 1,000 feet AGL

Answer

Overcast clouds at 10,000 feet AGL

Answer

Occasional clouds at 1,000 feet

Answer

Overcast ceiling at 10 feet above the surface

Question 3

What is a TAF?

Accepted Answer

Terminal Aerodrome Forecast — a weather forecast valid 24 to 30 hours for a 5-mile radius around an airport

Answer

Terminal Area Forecast for a 30-mile radius

Answer

Turbulence Aloft Forecast for cruise altitudes

Answer

Traffic Advisory Forecast issued by ATC

Question 4

What type of weather is typically associated with a fast-moving cold front passage?

Accepted Answer

A narrow band of intense convective weather followed by rapid clearing and improved conditions

Answer

Gradual deterioration with widespread low stratus and drizzle

Answer

Widespread fog and low clouds persisting for several days

Answer

Clear, calm conditions throughout the passage with no precipitation

Question 5

What type of fog forms when warm, moist air moves over a cooler surface?

Accepted Answer

Advection fog

Answer

Radiation fog

Answer

Upslope fog

Answer

Steam fog

Question 6

What is the dew point temperature?

Accepted Answer

The temperature to which air must be cooled for water vapor to begin condensing into liquid water

Answer

The temperature at which rain begins to fall from a cloud

Answer

The outside air temperature at the tropopause

Answer

The temperature difference between the surface and the cloud base