The most frequent time of day for tornadoes to form is in the ____.

The most frequent time of day for tornadoes to form is in the ____.
   a. early morning just after sunrise
   b. late morning just before noon
   c. evening just after sunset
   d. late afternoon
   e. middle of the night

Q. 2

In the United States, tornadoes are most frequent during the ____, and least frequent during the ____.
   a. summer; fall
   b. spring; winter
   c. spring; fall
   d. summer; winter
   e. winter; fall

Q. 3

About 70 percent of all tornadoes in the United States develop from ____.
   a. May to June
   b. March to July
   c. March to May
   d. April to August
   e. April to June

Q. 4

During the ____, tornadoes are most likely to form over the southern Gulf states when the polar-front jet is above this region.
   a. late spring
   b. early spring
   c. autumn
   d. winter
   e. summer

Q. 5

During the ____, tornadoes are most likely to form over the southern Gulf states when the polar-front jet is above this region.
   a. late spring
   b. early spring
   c. autumn
   d. winter
   e. summer

Q. 6

The Central Plains region is susceptible to tornadoes because ____.
   a. cool, dry surface air is overlain by warmer, more humid air aloft
   b. warm, humid surface air is overlain by cooler, drier air aloft
   c. cool, wet surface air is overlain by warmer, drier air aloft
   d. warm, dry surface air is overlain by cooler, wetter air aloft
   e. warm, humid surface air is overlain by even warmer, and more humid air aloft

Q. 7

The tornado alley of the United States ____.
   a. stretches from North Dakota to southern Texas
   b. stretches from the Rocky Mountains to the Mississippi River
   c. stretches from central Texas to Nebraska
   d. occurs over Mississippi and Alabama
   e. occurs over the Gulf Coast states

Q. 8

No country experiences more tornadoes than ____.
   a. China
   b. South Africa
   c. the United States
   d. Brazil
   e. Russia