Aviation Weather Quiz

What is the definition of "Winds Aloft"?

• Forecast of wind velocity and direction at specified altitudes

• An area where the atmospheric pressure is lower than in surrounding locations

• A large body of air with relatively uniform temperature and moisture content

• An atmospheric condition in which air tends to rise easily

What characterizes a "Low Pressure Area"?

• Forecast of wind velocity and direction at specified altitudes

• An area where the atmospheric pressure is lower than in surrounding locations

• A large body of air with relatively uniform temperature and moisture content

• An atmospheric condition in which air tends to rise easily

What is an "Air Mass"?

• Forecast of wind velocity and direction at specified altitudes

• An area where the atmospheric pressure is lower than in surrounding locations

• A large body of air with relatively uniform temperature and moisture content

• An atmospheric condition in which air tends to rise easily

What occurs when two air masses of similar strength meet, neither overtaking the other?

• Winds Aloft

• Low Pressure Area

• Stationary Front

• Convective Activity

What is "Instability" in atmospheric terms?

• Forecast of wind velocity and direction at specified altitudes

• An area where the atmospheric pressure is lower than in surrounding locations

• A large body of air with relatively uniform temperature and moisture content

• An atmospheric condition in which air tends to rise easily

What does "Convective Activity" refer to?

• The development of cumulonimbus clouds and associated weather, including rain and thunderstorms

• An area where the atmospheric pressure is lower than in surrounding locations

• A large body of air with relatively uniform temperature and moisture content

• An atmospheric condition in which air tends to rise easily

What does a Convective SIGMET warn pilots about?

• Clear skies and calm weather

• Convective activity that poses a potential threat to aircraft

• Light rain and mild winds

• Snow and ice on the runway

What is an Embedded Thunderstorm?

• A thunderstorm that is located within cloud layers or haze

• A thunderstorm that occurs only at night

• A thunderstorm that is visible from a distance

• A thunderstorm that happens over the ocean

What does NEXRAD stand for?

• Next Generation Weather Radar

• National Extreme Weather Radar

• New Experimental Weather Radar

• National Emergency Weather Radar

Which organization operates the NEXRAD radar system?

• NASA

• The National Weather Service (NWS)

• The Environmental Protection Agency (EPA)

• The National Oceanic and Atmospheric Administration (NOAA)