Weather Theory
The process by which water vapor turns into liquid water, forming clouds.
What is condensation?
This chart provides a graphical representation of expected turbulence levels.
What is a turbulence forecast chart?
The airspace surrounding the nation’s busiest airports, requiring clearance to enter.
What is Class B airspace?
The type of front that moves quickly and can cause thunderstorms and gusty winds.
What is a cold front?
The abbreviation for the Aviation Routine Weather Report.
What is a METAR?
The type of airspace where VFR traffic must establish two-way radio communication before entry.
What is Class C airspace?
The type of pressure system generally associated with clear skies and calm weather.
What is a high-pressure system?
The type of advisory issued when widespread IFR conditions are expected.
When widespread IFR conditions are expected.
The dashed magenta lines on a sectional chart indicate this type of controlled airspace.
What is Class E airspace starting at the surface?
The term for violent downdrafts of air associated with thunderstorms that pose a risk to aircraft.
What is a microburst?
This type of radar system provides real-time weather updates on precipitation intensity and movement.
What is NEXRAD (Next-Generation Radar)?
This term refers to a zone on a sectional chart where parachute jumping occurs.
What is a parachute jump area?
The type of thunderstorm that can maintain itself for hours due to a rotating updraft.
What is a supercell?
This specialized weather product provides detailed thunderstorm forecasts for pilots.
What is a Convective SIGMET?
This type of temporary airspace restriction is established for major events, disasters, or security reasons.
What is a TFR (Temporary Flight Restriction)?