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UNIT
1

Severe
Weather

ATR3-2-01
Severe Weather

1
Storms are a kind of severe weather that
occurs in all climates. They build where warm

2
fronts of low pressure and cold fronts of high

pressure are forced together.

3
tornado hitting a house Thunderstorms are the most common storms.

4
They create thunder and lightning . A warm
front rises through a cold front and makes a

5
tall cloud. Warm air and cool air swirl together
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inside the cloud and create static electricity .
ATR3-2-V01
Suddenly, electricity shoots out of the cloud as

a bolt of lightning. It is so powerful that it makes

Vocabulary

1 storm : a weather condition with winds, thunder, and lightning
2 pressure : the weight of the air in the Earth’s atmosphere
3 common : widely known or usual
12 4 lightning : the flashes of light that are produced in the sky during a storm