30 Questions
How do the effects of turbulence on rotary wing aircraft change as airspeed increases?
Increase
What effect does decreased lift velocity have on turbulence for rotary wing aircraft?
Decreases turbulence
How does increased rotor blade arc impact turbulence for rotary wing aircraft?
Increases turbulence
In general, what happens to the effects of turbulence on rotary wing aircraft as aircraft weight decreases?
Effects increase
Which type of aircraft listed falls under the 'Military Identifier AH-1' category in terms of turbulence?
UH-1 Iroquois (Huey)
Which aircraft has the potential to experience significant turbulence based on its military identifier?
H64 Mescalero
What determines whether an air parcel will sink or rise in the atmosphere?
Temperature
What is the term used to describe the altitude where moist, rising air cools beyond its dew point?
Condensation level
What happens when a cloud continues to grow vertically above the lifted condensation level in an unstable atmosphere?
It produces precipitation
What does the equilibrium level have in common with the temperature of an air parcel?
Same temperature
How are clouds fundamentally formed according to the text?
By moist, rising air cooling beyond its dew point
What gives aviators clues about potentially dangerous updrafts and downdrafts in the atmosphere?
Structure of clouds
Where can light-or-greater turbulence always be anticipated according to the text?
During cold air advection
What type of front is mentioned as a location for turbulence in the text?
Warm front
What type of geographical feature is associated with larger vertical shear?
Mountainous regions
In what atmospheric condition can tilted troughs contribute to turbulence according to the text?
Low-pressure systems
What type of flow is mentioned as contributing to turbulence in the text?
Diffluent flow
What type of curvature can lead to turbulence?
Anticyclonic curvature
How are cirrostratus clouds different from haze?
Cirrostratus clouds are whiter and brighter than haze.
How are cirrocumulus clouds different from altocumulus or altostratus clouds?
Cirrocumulus clouds can resemble fish scales, which is not seen in altocumulus or altostratus.
What is the primary function of the Worldwide Merged Cloud Analysis (WWMCA)?
To offer an hourly analysis of cloud distribution based on satellite images.
What products are available on the AFWWEBS platform related to the Worldwide Merged Cloud Analysis (WWMCA)?
Cloud Mask, Total Cloud Cover, Cloud Top Height, and Cloud Free Plot.
How does the size of individual cloud elements in cirrocumulus clouds compare to those in altocumulus and altostratus clouds?
Altocumulus and altostratus cloud elements are larger than those in cirrocumulus clouds.
In what categories are cirrus clouds like cirrostratus and cirrocumulus classified?
H1 through H4 for cirrus, H5 through H8 for cirrostratus, and H9 for cirrocumulus.
What is the physical limit to icing?
-40° C
What are supercooled large drops (SLD)?
Large droplets persisting in subfreezing temperatures
How does droplet size influence the collection efficiency of drops on the airframe?
Small droplets tend to accumulate near the leading edge of the wing
What altitude range is mentioned where 50% of all icing cases occur?
5000-13,000 feet
What is rime ice characterized by?
Rough surface
How does altitude impact icing conditions according to the text?
Optimal icing conditions are found in a narrow band of the atmosphere
Explore the concepts of buoyant force and atmospheric density, and how they affect the behavior of objects in water and air parcels in the atmosphere. Learn about the relationship between temperature, density, and the equilibrium level of an air parcel.
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