Exam 5: Condensation Dew Fog and Clouds

Thick clouds of this type can be used to predict rain or snow within 12 to 24 hours because the often appear ahead of an advancing cyclonic storm.

____________________ fog is rare over tropical water.

Condensation nuclei are important in the atmosphere because

One positive aspect of foggy weather is a process required by fruit and nut trees that have finished growing during the summer and fall.This process,called ____________________,is the number of hours with air temperature below 7 $\degree$ C (45oF)before trees will begin to grow again.

On a cold,winter morning,the most likely place for radiation fog to form is

These types of clouds make the Sun appear as a dimly visible round disk.

The scattering effect of dry haze produces a ____ color when viewed against a dark background and a ____ tint when viewed against a light-colored background.

With which cloud type would each of the following phenomena be associated? lightning hail tornadoes brief heavy rain steady rain watery sun halo mackerel sky

Explain why altocumulus clouds might be observed at 6400 m (21,000 ft)above the surface in Mexico City,Mexico,but never at that altitude above Fairbanks,Alaska.

When radiation fog "burns off",the fog tends to dissipate

Clouds are classified by their

Steam fog poses a threat to humans with respiratory problems.

Satellite images provide detailed information on cloud ____________________ and ____________________.

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

In 1887,Ralph Abercromby and Hugo Hildebrandsson expanded Howard's original cloud classification system and published a classification system that,with only slight modification,is still in use today.In their system,____ principal cloud forms are divided into ____ primary cloud groups.

Radiation fog typically forms on

In regions where there are no clouds,it is difficult to observe the movement of air using satellite imaging.To help with this situation,geostationary satellites are equipped with ____ that can profile the distribution of atmospheric water vapor in the middle and upper troposphere.

Aside from cumulonimbus clouds that sometimes penetrate into the stratosphere,all clouds are observed in the lower atmosphere.

____________________ fog forms when two unsaturated bodies of air mix and the resulting mixture is saturated.

As Apollo 12 ascended into the atmosphere,the height of the surrounding clouds was noted to be 42,000 feet.A lightning strike was seen within these clouds,indicating that they must have been