The approximate distance to a storm center can be determined by noting the hourly rate of fall of the barometer. If the rate of fall is 0.08 - 0.12 inches, what is the approximate distance to the storm center?
Official USCG Answer & Rule Citation
Correct Answer: Option B — 80 to 100 miles
According to Bowditch, a barometric pressure fall of 0.08 to 0.12 inches per hour indicates a distance of 80 to 100 miles to the storm center. Rapid pressure drops serve as a vital warning sign for approaching tropical cyclones.
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