Air Mass
Fronts
Types
Storms
Extra
100
An immense body of air characterized by similar properties at any give altitude is known as
What is an air mass?
100
On a weather map, which type of front is shown by a line with triangular points on one side?
What is a cold front?
100
A cT air mass is …
What is hot and dry?
100
A rotating column of air is called a(n)…
What is a vortex?
100
Typhoon is another name for…
What is hurricanes?
200
Maritime air masses form...
What is over water?
200
On a weather map, which type of front is shown by a line with semicircles extending from on side?
What is warm front?
200
An mT air mass is best described as….
What is warm and wet?
200
What is the first stage of a thunderstorm?
What is Cumulus stage?
200
Which air masses have the greatest effect on weather conditions in much of the U.S.?
What is cP and mT?
300
A cold, dry air mass that moves over warm, tropical waters will likely become…
What is warm and wet?
300
What type of front forms when the surface position of the front does not move?
What is a stationary front?
300
Which type of air mass originates in northern Canada?
What is cP?
300
What type of storm would likely have the greatest range of pressure?
What is a tornado?
300
Describe pressure in a middle-latitude cyclone?
What is pressure decreases toward the center?
400
What two properties characterize an air mass?
What is temperature and moisture?
400
The weather behind a cold front is dominated by what type of air mass?
What is cold air mass?
400
Which air mass may produce an occasional “nor’ easter” during winter?
What is mP?
400
Thunderstorms form when warm, humid air rises in a(n)…
What is an unstable environment?
400
Lake-effect snow is associated with which air mass?
What is mP?
500
How does surface air flow in a middle-latitude cyclone in the Northern Hemisphere?
What is convergent and counterclockwise?
500
What kind of shape is associated with a mid-latitude cyclone?
What is a wave?
500
Which air mass often originates as a different air mass in Siberia and is subsequently altered?
What is mP?
500
The mature stage of a thunderstorm is Associated with what (2 things)?
What is heavy precipitation and updrafts?
500
What causes a hurricane to lose energy when it moves onto land (2 things)?
What is friction and lack of warm, moist air?
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