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Birth of a Hurricane

A. Preview. Combine the suffixes in the box and the words in red to complete the definitions below.

-al

-uction

-ation

-ic

as a

1.    A catastrophe is an unexpected event that causes great suffering and damage.

(rt.) catastrophe; (ad/.)_

2.    To destroy something means to cause so much damage that it is completely ruined or does not exist anymore.

(y.) destroy; (n.)_

3.    The tropics are the hottest parts of the world, near the equator.

(n.) tropics; (adj.)____

4.    When a gas or vapor condenses, it changes into a liquid.

(y) condense; (n.)_

B. Summarize. Watch the video, Birth ofa Hurricane. Then complete the summary

below using the correct form of words from the box. Two words are extra.

upward	widespread	expose	currently
qualify	circumstances	cycle	energize
humid	Professional	rotate	combination

The formation of hurricane Katrina depended on a 1.

of a number of different 2.___. Warm and 3.

air was moving 4._

into the skv from the warm ocean near

the Bahamas. As morę air rosę and lowcr ocean air took its place, a

5.___of conrinuoiisly moving air was started. Condensation

resultcd in the crealion of raili and morę warming of the alrcady warm air.

Tliundcrastorms were creatcd high above and began to 6._

around the center of the new storm. As the storni moved slowly into the waters of the war mer water of the Gulf of Mexico, it was

7._even morę. When its winds rcached 73 kilomcters

per hour, Katrina could be caJled a tropical storm.

By the time Katrina hit the United States, it 8._

Category 4 hurricane. The two places that were the most

9.__to the powcrful winds were the States of Louisiana

and Mississippi. In those two states, destruction was 10.___

74 Unit 5 Storms

1.    What lessons we learn from Hurricane Kat

2.    What natural disasters occtr your country? b do peopłe and government respond to the