BJU Earth Science Ch. 20

What two factors does the Enhanced Fujita Pearson scale measure besides wind speed?

Which symbol (letter) gives two pieces of information?

What was the temperature at the time of the weather report?

Hurricanes that form in the middle latitudes are often less violent and are called ___.

While hiking, you are surprised by a severe thunderstorm. What is the safest thing to do?

The National Weather Service releases a set of four synoptic maps daily.

Thunderstorms develop only in the summer when the air is moist and warm.

The huge waves that are produced far out in the ocean and precede the arrival of a hurricane area called the ___.

Which of the following is NOT associated with a single cumulonimbus cloud?

A blast of cool air that comes just before the rain of a thunderstorm

In the western Pacific, hurricanes are called typhoons.

When a warm air mass is trapped between two colliding colder air masses, it forms a(n) ___.

The rain shadow effect is caused by

Occur(s) when a warmer air mass is replacing a colder air mass.

The weather in an area stays the same for a week. What kind of front probably exists between the nearby air masses?

Which of the following can affect the path of a hurricane?

Was any precipitation falling at the time of the report? If so, what was it?

What are the greatest destructive features of a tornado?

It is the extremely low pressure inside a tornado's funnel that can cause buildings to explode.

Pressure in the eye of a hurricane is lower than the outer part.

Air masses usually originate in windy locations, allowing them to move into other regions.

Often has an anvil-shaped top

If the time between a lightning flash and the sound of thunder is 3s, how far has the sound traveled?

___ are lines on a weather map connecting lines of equal pressure.

What happens when a cold air mass meets a warm air mass?

A line of violent thunderstorms along a cold front

Hurricanes never form over land.

Most interactions among air masses cause precipitation.

Cloud-to-ground or cloud-to-cloud electrical charge

When in the life of a hurricane does its power and wind speed diminish?

Which kind of violent storm has the greatest wind speed?

Air masses of differing temperatures and humidities often mix.

Which of these describes a Nor'easter?

What is the current dewpoint?

Names are assigned to which of the following?

Which type of front involves two air masses where an existing air mass rises to make way for the incoming air mass?

Which of the following terms is NOT associated with tornadoes?

A large body of air that has fairly uniform conditions

How would a maritime polar air mass compare to a continental tropical air mass?

Tornadoes are more common and more powerful in the United States than in any other country.

List four types of severe storms discussed in the text.

A powerful, rotating storm that is likely to spawn a tornado

The boundary between two front lines.

A "hook" appearing in the Doppler radar image of a severe storm is often the sign of a

Winds flowing from different directions coming together over a locality to force air aloft.

The greatest danger from a severe thunderstorm comes not from wind or hail but from ___.

A hurricane's storm swell causes storm surge.

Which symbol (letter) represents barometric pressure?