PPL - Weather

(Refer to Figure 19.) Interpret the weather symbol depicted in Utah on the 12-hour Significant Weather Prognostic Chart.

• A. Moderate turbulence, surface to 18,000 feet.
• B. Base of clear air turbulence, 18,000 feet.
• C. Thunderstorm tops at 18,000 feet.

What weather information can a pilot get from a Flight Service Station when enroute?

• A. Actual weather information and thunderstorm activity along the route.
• B. Preferential routing and radar vectoring to circumnavigate severe weather.
• C. Clearance into Class B airspace to avoid severe weather.

(Refer to Figure 260, area A.) What is the predominant visibility around the letter A on the Washington and Oregon coast?

• A. VFR – visibility greater than 5 statute miles.
• B. MVFR – visibility 3 to 5 statute miles.
• C. IFR – visibility 1 to 3 statute miles.

What is meant by the term "dewpoint"?

• A. The temperature at which condensation and evaporation are equal.
• B. The temperature at which dew will always form.
• C. The temperature to which air must be cooled to become saturated.

(Refer to Figure 17.) What wind is forecast for STL at 9,000 feet?

• A. 230° magnetic at 25 knots.
• B. 230° true at 32 knots.
• C. 230° true at 25 knots.

What information is contained in a CONVECTIVE SIGMET?

• A. Tornadoes, embedded thunderstorms, and hail 3/4 inch or greater in diameter.
• B. Severe icing, severe turbulence, or widespread dust storms lowering visibility to less than 3 miles.
• C. Surface winds greater than 40 knots or thunderstorms equal to or greater than video integrator processor (VIP) level 4.

Every physical process of weather is accompanied by, or is the result of, a

• A. movement of air.
• B. pressure differential.
• C. heat exchange.

What values are used for Winds Aloft Forecasts?

• A. Magnetic direction and knots.
• B. Magnetic direction and miles per hour.
• C. True direction and knots.

(Refer to Figure 12.) What are the current conditions depicted 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.

(Refer to Figure 17.) Determine the wind and temperature aloft forecast for MKC at 6,000 feet.

• A. 200° true at 6 knots, temperature +3 °C.
• B. 050° true at 7 knots, temperature missing.
• C. 200° magnetic at 6 knots, temperature +3 °C.