A low, lumpy cloud layer that appears in rows, patches, or rounded masses would be classified:
As Apollo 12 ascended into the atmosphere, the height of the surrounding clouds was noted to be 42,000 feet. A lightning stroke was seen within these clouds, indicating that they must have been:
Which below is not a way in which a contrail may form?
due to heating of the air by the engine exhaust
The small, smooth cloud that may form just above the top of a towering cumulus cloud is called (a):
The cloud-like streamer often seen forming behind an aircraft flying at high altitude is called (a):
Which term below describes a situation in which clouds cover between one-tenth and five-tenths of the sky?
When clouds are viewed near the horizon, the individual cloud elements usually:
appear closer together than is actually the case
Which of the following can be used to determine the height of cloud bases?
ceiling balloons, rotating-beam ceilometer, fixed-beam ceilometer (all of the above)
If a pilot balloon rises at a rate of 100 m per minute, and if it disappears into a deck of stratus clouds 1,500 m (5,000 ft) thick in 5 minutes, what is the ceiling of the cloud layer?
Which of the following would provide the most accurate method of determining cloud base altitude?
Infrared and visible satellite images might provide
a way of determining cloud thickness and altitude
On an infrared satellite image, low, warm clouds appear ___ and high, cold clouds appear ___
Infrared satellite images are computer enhanced to:
increase the contrast between specific features in the picture
If a cloud appears white on a visible satellite image and gray on an infrared image, then the cloud could be:
a low cloud
The TRMM (Tropical Rainfall Measuring Mission) satellite provides information on tropical:
rainfall, sea surface temperatures with a microwave scanner
has a geostationary orbit- a circular geosynchronous orbit directly above the earths equator. Remain permanently fixed in exactly the same position in the sky.
observe clouds in earths orbit. Provides extremely valuable cloud photographs of areas where there are no ground-based observations.
Polar orbiting satellites:
closely parallel the earths meridian lines. Pass over the north and south polar regions on each revolution. Covers the entire earth
A rotating-beam ceilometer is useful for
estimating the altitude of the tops of vertical development clouds
When temperatures are below freezing, the temperature to which air must be cooled in order for a phase change to occur is called the:
On humid days, salt in saltshakers sometimes becomes moist and no longer pours out easily. The salt can be described as:
When fog is "burning off," the cloud droplets are preventing solar radiation from reaching the ground.
Stratus and high fog are:
a uniform grayish cloud that often cover the entire sky. Resembles fog that does not reach the ground. Might be confused with nimbostratus.
Advection fog is often observed along the Pacific coast during summer, as westerly winds carry moist air toward the shore. The fog forms because the surface water near the coast is ____then surface water farther offshore.
Suppose two ocean currents with different temperatures are flowing next to one another. If the wind blows perpendicular to the currents, we would expect to find: