week 4 Lab 90

Question 1 of 8
20.0/ 20.0 Points
Using the air temperature, dewpoint and wind field in the images below, how many different airmasses are located in Oklahoma?

A.1

B.4

C.3

D.0

E.2

Answer Key: E

Feedback: Good job!

Question 2 of 8
0.0/ 20.0 Points
What are the airmasses present within the images below?

A. cT

B. mT

C. mP

D. cP

Answer Key: B, D

Feedback: The method to determine airmasses are based on where they are from and moisture content.

Question 3 of 8
10.0/ 10.0 Points
Which air mass forms over North America only in summer?

A.cT

B.mP

C.mT

D.cP

Answer Key: A

Question 4 of 8
10.0/ 10.0 Points
A good source region for an air mass would be

A.generally flat areas of uniform composition with light surface winds.

B.mountains with deep valleys and strong surface winds.

C.hilly with deep valleys and light winds.

D.generally flat area of uniform composition with strong surface winds.

Answer Key: A

Question 5 of 8
10.0/ 10.0 Points
Which air mass would show the most dramatic change in both temperature and moisture content as it moves over a large body of very warm water?

A.cP in winter

B.mT in summer

C.cT in summer

D.mP in winter

Answer Key: A

Question 6 of 8
10.0/ 10.0 Points
Record breaking low temperatures are associated with which air mass?

A.mT

B.cP

C.cT

D.mP

Answer Key: B

Question 7 of 8
10.0/ 10.0 Points
What type of air mass would be responsible for hot, dry summer weather in southern Arizona?

A.cP

B.cT

C.mP

D.mT

Answer Key: B

Question 8 of 8
10.0/ 10.0 Points
What type of air mass would be responsible for daily afternoon thunderstorms along the Gulf Coast?

A.mP

B.mT

C.cP

D.cT

Answer Key: B