How much rain can a hurricane make, and does the storm size matter?
Hurricane Harvey dropped several feet of rain on Texas, stranding trucks, people and their pets. Scott Olson/Getty Images Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com . How much rain can a hurr…
Résumé
Hurricanes and rainfall
Hurricanes can produce enormous amounts of rain, sometimes trillions of gallons of water.
For example, Hurricane Harvey in 2017 dropped over 60 inches (152 centimeters) of rain in Texas over five days, filling empty swimming pools 5 feet (1.5 meters) deep.
Similarly, Hurricane Lane in 2018 dumped 58 inches (147 centimeters) of rain in Hawaii.
The total rainfall from a hurricane depends on how long it lingers over an area rather than just its overall size.
A slow-moving hurricane like Harvey can cause more localized flooding than a fast-moving one, even if both carry the same amount of moisture.
The key factor is the duration of rainfall in a single location, not the storm's total volume of water.
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