Since the amount of precipitation is 2 inches per hour, the area that will have 1 hour of a thunderstorm, will receive 2 inches of rain.
The amount of precipitation usually measured by depth in inches is called Rainfall.
Typically, The width of the squall line of thunder = 40miles
Rainfall = 2 inches per hour
Thunderstorm speed = 40mph
Therefore, a 40-mile line of thunder will pass through the area to fall at a speed of 40mph. The amount of rain in the storm zone will be 2 inches of rain.
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