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Aviation Weather Exam Verified | Latest Update

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Aviation Weather EXAM VERIFIED | LATEST UPDATE What is the Environmental Lapse Rate (ELR) for a stable atmosphere? - Answer- ELR 2°C per 1,000 ft What is the Environmental Lapse Rate (ELR) for an unstable atmosphere? - Answer- ELR 3°C per 1,000 ft What is the Environmental Lapse Rate (ELR) for a conditionally unstable atmosphere? - Answer- Between 2-3°C per 1,000 ft What happens to aircraft altitude indication in cold weather? - Answer- Aircraft is lower than indicated. What does satellite imagery show? - Answer- Cloud coverage (visible, IR, water vapor imagery) but not precipitation directly. What is GFA in aviation? - Answer- Graphical Forecast for Aviation: FAA-legal briefing for areas without a TAF. What does MOS stand for? - Answer- Model Output Statistics: Automated weather model, not FAA-approved. What is a Center Weather Advisory (CWA) issued for? - Answer- Short-term, hazardous weather impacting aviation. What is the standard atmospheric pressure in inHg? - Answer- 29.92 inHg What is a front in meteorology? - Answer- Boundary between two air masses. What does a broken ceiling of 'BKN015' indicate? - Answer- Broken at 1,500 ft. What does 'BKN065' indicate in a PIREP? - Answer- Broken at 6,500 ft (not ceiling unless lowest layer reported). How does water temperature change compared to land temperature? - Answer- Water changes temperature much slower. What type of fog occurs when warm moist air moves over cold land or water? - Answer- Advection Fog. What is the primary collector for PIREPs? - Answer- FSS (Flight Service Station). What does AIRMET Zulu indicate? - Answer- Moderate icing. What is the format for winds aloft interpretation? - Answer- DDff+tt (direction and wind speed).

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Aviation Weather EXAM VERIFIED |
LATEST UPDATE
What is the Environmental Lapse Rate (ELR) for a stable atmosphere? - Answer- ELR <
2°C per 1,000 ft

What is the Environmental Lapse Rate (ELR) for an unstable atmosphere? - Answer-
ELR > 3°C per 1,000 ft

What is the Environmental Lapse Rate (ELR) for a conditionally unstable atmosphere? -
Answer- Between 2-3°C per 1,000 ft

What happens to aircraft altitude indication in cold weather? - Answer- Aircraft is lower
than indicated.

What does satellite imagery show? - Answer- Cloud coverage (visible, IR, water vapor
imagery) but not precipitation directly.

What is GFA in aviation? - Answer- Graphical Forecast for Aviation: FAA-legal briefing
for areas without a TAF.

What does MOS stand for? - Answer- Model Output Statistics: Automated weather
model, not FAA-approved.

What is a Center Weather Advisory (CWA) issued for? - Answer- Short-term, hazardous
weather impacting aviation.

What is the standard atmospheric pressure in inHg? - Answer- 29.92 inHg

What is a front in meteorology? - Answer- Boundary between two air masses.

What does a broken ceiling of 'BKN015' indicate? - Answer- Broken at 1,500 ft.

What does 'BKN065' indicate in a PIREP? - Answer- Broken at 6,500 ft (not ceiling
unless lowest layer reported).

How does water temperature change compared to land temperature? - Answer- Water
changes temperature much slower.

What type of fog occurs when warm moist air moves over cold land or water? - Answer-
Advection Fog.

What is the primary collector for PIREPs? - Answer- FSS (Flight Service Station).

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