Thunderstorms Flashcards
What is a thunderstorm?
A thunderstorm can severely affect an airplane, regardless of its size.
Where is the greatest turbulence found in a thunderstorm?
The greatest turbulence is often found around the outside of a storm, mixing inflow and outflow.
On which side of a storm is the greatest turbulence usually found?
The greatest turbulence is usually found on the front side of the storm and the side from which it is fed moisture.
What is a gust front?
A gust front is where surface wind shifts as the downdraft from the storm arrives, extending out 15 to 20 miles in front of a strong storm.
What is the best in-flight aid for thunderstorms?
The best in-flight aid is the convective SIGMET, which defines the location of thunderstorms.
What risk is associated with flying into an area covered by a convective SIGMET?
Continuing into an area covered by a convective SIGMET for embedded thunderstorms puts you at risk.
Where are embedded thunderstorms usually found?
Embedded thunderstorms are usually found in warm or stationary frontal zones and lack clear definitions.
What helps in avoiding thunderstorms?
Keeping up with convective SIGMETs and looking out the window helps in avoiding thunderstorms.
What is the common rule of thumb for storm avoidance?
The common rule of thumb for storm avoidance is five miles, except when severe storms are forecast, then 20 miles are recommended.
