Multiple Choice COMPLETION SHORT ANSWER DEFINITIONS TRUE AND FALSE
100
c.stationary
the weather in area stays the same for a week what kind of front is this? a. cold b. occluded c. stationary d.warm
100
occluded front
when a warm air mass is trapped between two colliding colder air masses, it forms a
100
the maritime would contain colder, and moist air while a continental tropical air mass would have drier and warmer air
how would a maritime polar air mass compare to a continental tropical air mass
100
gust front
a blast of cool that comes just before the rain in a thunderstorm
100
false
in the western pacific, hurricanes are called typhoons
200
a. cold
which type of front involves two air masses where an existing air mas rises to make way for the incoming air mass? a. cold b. occluded c. stationary d.warm
200
lightning
the greatest danger from a severe thunderstorm comes not from wind or hail but from the
200
rain
what happens when a cold air mass meets a warm one?
200
thunderhead
cloud that has an anvil shaped top
200
true
the national weather service releases a set of four synoptic maps daily
300
a. hurricanes
which of the following is NOT associated with a single cumulonimbus cloud? a. hurricanes b. lightning c. thunderstorms d. tornadoes
300
storm swells
the huge waves that are produced far out in the ocean and precede the arrival of a hurricane called
300
winter storms, thunderstorms, tornadoes, and hurricanes
what are the four types of severe weather?
300
front
the boundary between two air masses
300
true
the pressure in the eye of a hurricane is lower the pressure on the outer part of the hurricane
400
a. 0.6
if the time between a lightning flash and thunder is 3s, how far has the sound traveled? a. 0.6 mi b. 1.3 c.6.2 d. 9.9
400
extratropical hurricanes
hurricanes that form in the middle latitudes are often less violent and are called
400
rotating wind pressure and updraft
the two most destructive features of a tornado
400
squall line
a line of violent thunderstorms along a cold front
400
false
the extremely low pressure inside of a tornado's funnel can make building explode
500
d. tornado
a "hook" appearing in the Doppler radar image of a severe storm is often a sign of a: a. cloud containing hail b. hurricane forming c. lightning strike d. tornado
500
isobars
lines on a weather map that connect areas of equal pressure . the placement of these lines can predict wind speed and direction
500
it looses its intensity when moving over cooler water
when can you tell if a hurricane is slowing down?
500
lightning
cloud-to-ground or cloud-to-cloud electrical charge
500
false
thunderstorms develop only in the summer when the air moist and warm






EARTH SCIENCE CHAPTER 20

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