A towering cloud, or cluster of clouds, accompanied by thunder, lightning, strong gusty winds, and heavy rain is called a(n) ____.
A) hurricane
B) cyclone
C) thunderstorm
D) tornado
Question 2
With a limited number of wind observations, tight spacing of height (above sea level) contour lines on a 500-mb chart may indicate areas of ____ winds.
A) stationary
B) stronger
C) weaker
D) variable