Human Activities Increase Flooding Risk
by Samuel Garduño, age 11
If you have experienced or heard of a 100-year flood, you might think that there won’t be a flood like this in another 99 years, but you are wrong.
Meteorologists use the 100-year flood label to say that there is a one in 100, or one percent, chance that a flood of this magnitude could occur in any given year. So a 500-year flood has a one in 500 chance, or 0.002 percent chance of occurring each year. This means if a city has a 500-year flood, as Houston did in 2017, it has the same chance of having another 500-year flood the next year. [Read More]