18 and 20 test

Rain, snow, sleet and hail are all examples of?
Precipitation
Which term describes the conversion of a solid directly to a gas, without passing through the liquid state?
Sublimation
The change of state from a gas to a liquid is called?
Condensation
Air that is reached its water-vapor capacity is said to be?
Saturated
Which of the following is NOT a process that lifts air?
Divergence
Orographic lifting is associated with?
Mountains
Which cloud type consist of globular cloud masses with a cauliflower structure?
Cumulus
Which term is used to described clouds of middle height?
Alto
Which clouds are often associated with thunder and lightning?
Cumulonimbus
Which type of precipitation consist of small clear to translucent ice particles?
Sleet
What type of cloud is associated with hail ?
Cumulonimbus
Maritime air masses form?
Over water
Which air masses have the greatest effect on weather conditions in much of the United States?
cP and mT
The boundary that separates different air masses is called an ?
Front
The weather behind a cold front is dominated by which of the following
Cold air mass
Which gas is most important for understanding atmosphere processes?
Water Vapor
The process by which water vapor changes directly to a solid is called?
Deposition
The ratio of air’s water-vapor content to its capacity to hold water vapor at that same temperature is the?
Relative humidity
Which cloud type is best described as sheets or layers that cover much or all of the sky?
Stratus
Which cloud is confined to the middle height range?
Altostratus
Compared to clouds, fogs are ?
At lower altitudes
Which of the following processes can produce either rain or snow?
The Bergeron process
An immense body of air characterized by similar properties at any given altitude is known as an ?
Air mass
Which two properties characterized an air mass?
Temperature and moisture
Which type of air mass originates in northern Canada
cP
An mT air mass is best described as?
Warm an wet
A cT air mass is ?
Hot and dry
In figure 20-1 which of the following is characteristc of the air mass labeled F
Hot and wet hot in summer
What type of front forms when the surface position of the front does not move?
Stationary
When an active cold front overtakes a warm front,
warmer,less dense air
What type of front usually produces several hours of light to moderate precipitation
Warm front
The greatest number of thunderstorms occur in the …?
Tropics
Tornadoes are most frequent from?
April till june
Hurricanes are classified according to intensity using the ..?
Saffir-simson scale
Typhoon is another name for?
Hurricanes
What scale is used to measure tornado intensity
Fugita tornado intensity scale
What is a hurricane?
A whirling cyclone that produce winds of at least 119 kilometers/hour
What is a storm surge?
It is a dome of water about 60 to 80 km wide that sweeps across the coast where hurricanes move onto land
What is relative humidity?
Id the ratio of the airs actual water vapor content compared with the amount of water vapor air can hold at the temperature and pressure