The speed of a storm can greatly impact flooding potential. Consider a squall li

Question

The speed of a storm can greatly impact flooding potential. Consider a squall line of strong thunderstorms 40 miles wide. Suppose for simplicity that the rainfall rate everywhere within this band of thunderstorms is 2 inches (5cm) per hour. Assume that the squall line is oriented in a straight north-south direction and that it moves due east. How much rain will fall at a location over which the storms pass if the line of storms moves at the speeds below?

a. 50 miles/hour

b. 25 miles/hour

c. 5 miles/hour

Explanation / Answer

50miles/hour storm causes 2.5 inches rainfall in that area.

25 miles/hour storm causes 1.25 inches rainfall

5miles/hour not having much rainfall 0.25 inches only, because to move the air in the cloud needs minimum 30-40 miles/hour wind speed

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