18-20 Study Guide

Precipitation
Rain, snow, sleet and hail are all examples of
Sublimation
Which term describes the conversation of a solid directly to a gas, without passing through the liquid state?
Condesa
The change of sate from a gas to a liquid is called
Saturated
Air that has reaches its water-vapor capacity is said to be
Divergen
Which of the following is NOT a process that lifts air?
Mountains
Orographic lifting is associated with
Cumulus
Which cloud type consists of globular cloud masses with a caulilflower structure?
Alto
Which term is used so describe clouds of middle height?
cumulonimbus
which clouds are often associated with thunder and lightening?
sleet
Which type of precipitation consists of small clear-to-translucent ice particles?
cumulonimbus
What type of cloud is associated with hail?
Over Water
Maritime air masses form
cP and mT
Which air masses have the greatest effect on weather conditions in much of the United States?
Front
The boundary that seperates different air masses is called
Cold air mass
The weather behind a cold front is dominated by which of the following?
Water Vapor
Which gas is more important for understanding atmospheric proccess
Deposition
The process by which water vapor changes directly to a solid is called
Relative Humidity
The ratio of air’s water-vapor content to its capacity to hold water vapor as that same temperature
Stratus
Which cloud type is best described as sheets or layers that cover much or all of the sky?
Altostratus
Which cloud type is confined to the middle height range?
At Lower altitudes
Compared to clouds, fogs are
The Bergeron Process
Which of the following processes can produce either rain or snow?
Air Mass
An immense body of air characterized by similar properties at any given altitude is known as a
Temperature and Moisture
Which properties characterize an air mass?
cP
Which type of air mass originates in northern Canada?
Warm and Wet
An mT air mass is best described as?
Hot and Dry
A cT mass is
Hot and Dry, Hot in the Summer
In Figure 20-1, which of the following is characteristic of the air mass labeled F?
mT
Which air mass is the source of much of the precipitation in the central and eastern United States?
Cold Front
On a weather map, which type of front is shown by a line with a triangular points on one side?