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20.2/20.3 1. An air mass derives its characteristics from its A) temperature. B)

ID: 1505628 • Letter: 2

Question

20.2/20.3 1. An air mass derives its characteristics from its A) temperature. B) surroundings. C) location. D) source region. 2. An air mass forming over the Gulf of Mexico would be classified as A) mE B) mT. C) aP. D) cE. 3. The boundary between two air masses is called a A) division. B) border. C) front. D) storm. 4. An El Nino usually results in A) more rainfall for South America. B) warmer water in the western Pacific. C) less rainfall for Australia. D) all of the above. E) none of the above 5. Conditions opposite to those of El Nino conditions are called A) La Nina B) La Nino. C) El Nina. D) Anti-Nino. The low-pressure center of a hurricane is called the A) eye. B) vortex. C) lid. D) cap. 6. Hurricanes derive their energy from A) latent heat. B) hot air. C) cold water. D) wind. 7.

Explanation / Answer

1)   source region .

2) mT

3) front .

4) all of above .

5) La Nina

6) eye

7) latent heat

8) all of above

9) Storm surge

10)   basement or lowest central level .

11) blizzards

12) mP

13) cold front occlusion

14) stationary front

15)   74 mi/h

16) threat of hurricane condition within 24 to 36 h

17) all of the above .

18)   tornado either sighted or indicated on radar .

19) storm surge .

20) tornado warning .