Thunderstorms and Hurricanes

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How many thunderstorms occur throughout the world each day?

40,000

What are the two main types of thunderstorms?

ordinary and severe

What is the common summer thunderstorm and how long does one usually last?

ordinary and one hour

What do thunderstorms do when very warm, moist air rises into cold air?

form

As humid air rises, water vapor__________, forming huge ___________________.

condenses and cumulonimbus

The _______________ associated with these storms includes ____________ and occasionally small________________.

Precipitation, rain, hail

With ordinary thunderstorms, cumulonimbus clouds can grow up to ___________ high.

12 km

In what stage of thunderstorm development is the following:
Temperature is approximately 32 degrees F
Top of cloud reaches 20,000 feet high

towering cumulus stage

On the towering cumulus stage of thunderstorm development, the bottom cloud is below ____________ feet high

10,000

On the towering cumulus stage of thunderstorm development, warm air is rising and condensing in what is called an ____________

updraft

In what stage of the thunderstorm development is the following:
Top of cloud reaches 40,000 feet high
Bottom of cloud is below 10,000 feet high

mature stage

On the mature stage of the thunderstorm development, the temperatur is ____________ degrees F

32

On the mature stage of the thunderstorm development, air rising and falling (churning) rapidly within the cloud - constant updraft then ___________.

falling

In what stage of the thunderstorm development is the following:
Temperature is 32 degrees F
Bottom of cloud is at approximately 25,000 feet high

dissipating stage

On the dissipating stage of the thunderstorm development, the top of the cloud is above___________feet high

40,000

On the dissipating stage of the thunderstorm development, there is no long an ___________.

updraft

____________ are very dangerous.

severe thunderstorms

They are very capable of producing baseball-sized hail, strong ___________, intense rain, flash floods, and ________________.

winds, tornadoes

Severe thunderstorms can last several ___________ and can grow ___________ kilometers high.

hours and 18

Several phenomena are associated with severe thunderstorms including: gust fronts, microbursts, ____________________ and the _______________.

super cell thunderstorms and squallillness

What is a huge rotating thunderstorm that can last for several hours as a single storm?

a super-cell thunderstorm

A super-cell thunderstorm are the most likely to produce long-lasting _____________ and baseball-sized ___________________.

tornados, hail

What consists of several thunderstorms banded together?

a squall line

Usually a squall line forms between a ___________ and a _________________.

cold front, warm front

A squall line can form from an individual storm that has ____________.

split

A tropical _______________ can grow into a massive hurricane under a central area.

thunderstorm

Sometimes several thunderstorms start rotating around a central area of ___________________.

low pressure

When several thunderstorms start rotating around a central area of low pressure it is called a ______________ depression.

tropical

If a depression strengthens so that winds reach at least ______________, it is called a tropical ________________.

39 mph, storm

If wind speeds increase to more than 74 mph, it is called a tropical cyclone or ______________.

hurricane

The rotation of the storm is due to the ______________, a product of the Earth's rotation.

...

This causes the air being drawn into the ____________ low pressure to curve.

central

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