A field mill is a specialized instrument used for measuring the strength of electrical fields in the atmosphere near thunderstorm clouds.
Hail Hail, lumps of ice that fall from thunderstorm clouds.
Zeus tried to spare her by showing her the smallest of his bolts and the sparsest thunderstorm clouds he could find.
The hanging sculpture, in fact, represents a digital analysis of a thunderstorm cloud and was fabricated with computer-controlled machines used by the automobile industry.
A cumulonimbus incus is a mature thunderstorm cloud and can produce many dangerous elements.
One thunderstorm cloud usually runs out of energy in about 30 to 50 minutes.
There was no wind and no thunderstorm clouds along the Front Range.
As the moving column of air encounters more clouds, it becomes a cluster of thunderstorm clouds, called a tropical disturbance.
His often-terrible moods were like thunderstorm clouds.
Then it headed west, where it has been stifling the normal development of thunderstorm clouds that would break the heat.