Comprehensive Meteorology and
Aviation Weather Systems Exam A+
Pass Verified 2026 Latest Update
Provides weather data, forecasts, and warnings for the United States, its territories,
adjacent waters, and ocean areas - Answer- NWS
Provides analysis and forecast products specializing in multiday, quantitative
precipitation forecasts, model diagnostics, and surface pressure and frontal analyses -
Answer- WPC
Conducts research and gathers data about the global oceans, atmosphere, space, and
Sun - Answer- NOAA
Issues aviation weather forecasts in support of the NAS, including AIRMETs, SIGMETs,
Convective SIGMETs, and icing, turbulence, and convective products - Answer- AWC
Is where virtually all global meteorological data is collected and analyzed for the United
States - Answer- NCEP
The Storm Prediction Center is located in __________, OK, and provides _________
and severe weather watches for the CONUS - Answer- Norman, tornado
Center Weather Service Units (CWSU) are stationed at and support - Answer- Air Route
Traffic Control Centers
According to the Aviation Weather Handbook, the NWS has _____ Weather Forecast
Offices (WFO) across the United States and select territories - Answer- 122
The NOAA from the reading is the National and Overseas Aviation Administration -
Answer- False
The NOAA is an agency of the - Answer- Department of Commerce
_______________ instability is the state of a column of unsaturated air when the lapse
rate is less than dry adiabatic but greater than moist adiabatic - Answer- Conditional
If cold air advects at the surface and/or warm air advects aloft, what happens to
stability? - Answer- It becomes more stable
What two stability indices were covered in class? - Answer- Lifted Index (LI) and
Convective Available Potential Energy (CAPE)
, Atmospheric _____________ determines whether vertical motion is enhanced or
suppressed - Answer- Stability
Changes in atmospheric stability are ____________ related to temperature changes
with height - Answer- Inversely
Absolute stability occurs when the environmental lapse rate is __________ the moist
adiabatic lapse rate - Answer- Less than
The Level of Free Convection (LFC) is associated with what type of instability? -
Answer- Conditional instability
Diurnal temperature variations can significantly impact atmospheric stability - Answer-
True
Which is not a unique type of atmospheric stability? - Answer- All of the above are
unique types
All clouds contain water, but only some produce precipitation - Answer- True
__________ competes with turbulence as the greatest thunderstorm hazard to aircraft -
Answer- Hail
Hailstones 0.75 inches in diameter or larger can cause significant aircraft damage -
Answer- True
What are the two precipitation growth processes? - Answer- Collision-coalescence and
ice crystal
What precipitation occurs with a deep warm layer aloft and a shallow subfreezing layer
at the surface - Answer- Freezing rain
Collision-coalescence is the primary growth process in mid and high latitudes - Answer-
False
What precipitation occurs with a shallow warm layer aloft and a deep subfreezing layer
at the surface - Answer- Ice pellets
Which of the following is a form of precipitation? - Answer- All of the above
Significant precipitation usually requires clouds to be at least ______ thick - Answer-
4000 ft
Virtually all showers and thunderstorms form in what type of air mass? - Answer-
Conditionally unstable
Aviation Weather Systems Exam A+
Pass Verified 2026 Latest Update
Provides weather data, forecasts, and warnings for the United States, its territories,
adjacent waters, and ocean areas - Answer- NWS
Provides analysis and forecast products specializing in multiday, quantitative
precipitation forecasts, model diagnostics, and surface pressure and frontal analyses -
Answer- WPC
Conducts research and gathers data about the global oceans, atmosphere, space, and
Sun - Answer- NOAA
Issues aviation weather forecasts in support of the NAS, including AIRMETs, SIGMETs,
Convective SIGMETs, and icing, turbulence, and convective products - Answer- AWC
Is where virtually all global meteorological data is collected and analyzed for the United
States - Answer- NCEP
The Storm Prediction Center is located in __________, OK, and provides _________
and severe weather watches for the CONUS - Answer- Norman, tornado
Center Weather Service Units (CWSU) are stationed at and support - Answer- Air Route
Traffic Control Centers
According to the Aviation Weather Handbook, the NWS has _____ Weather Forecast
Offices (WFO) across the United States and select territories - Answer- 122
The NOAA from the reading is the National and Overseas Aviation Administration -
Answer- False
The NOAA is an agency of the - Answer- Department of Commerce
_______________ instability is the state of a column of unsaturated air when the lapse
rate is less than dry adiabatic but greater than moist adiabatic - Answer- Conditional
If cold air advects at the surface and/or warm air advects aloft, what happens to
stability? - Answer- It becomes more stable
What two stability indices were covered in class? - Answer- Lifted Index (LI) and
Convective Available Potential Energy (CAPE)
, Atmospheric _____________ determines whether vertical motion is enhanced or
suppressed - Answer- Stability
Changes in atmospheric stability are ____________ related to temperature changes
with height - Answer- Inversely
Absolute stability occurs when the environmental lapse rate is __________ the moist
adiabatic lapse rate - Answer- Less than
The Level of Free Convection (LFC) is associated with what type of instability? -
Answer- Conditional instability
Diurnal temperature variations can significantly impact atmospheric stability - Answer-
True
Which is not a unique type of atmospheric stability? - Answer- All of the above are
unique types
All clouds contain water, but only some produce precipitation - Answer- True
__________ competes with turbulence as the greatest thunderstorm hazard to aircraft -
Answer- Hail
Hailstones 0.75 inches in diameter or larger can cause significant aircraft damage -
Answer- True
What are the two precipitation growth processes? - Answer- Collision-coalescence and
ice crystal
What precipitation occurs with a deep warm layer aloft and a shallow subfreezing layer
at the surface - Answer- Freezing rain
Collision-coalescence is the primary growth process in mid and high latitudes - Answer-
False
What precipitation occurs with a shallow warm layer aloft and a deep subfreezing layer
at the surface - Answer- Ice pellets
Which of the following is a form of precipitation? - Answer- All of the above
Significant precipitation usually requires clouds to be at least ______ thick - Answer-
4000 ft
Virtually all showers and thunderstorms form in what type of air mass? - Answer-
Conditionally unstable
