Moab just had a 100-year flood. What does that mean and how often does it happen?
The term can create confusion, but they’re occurring more frequently in parts of the world.
(Randall Lewis) A child swings next to Mill Creek in Moab on Sunday, Aug. 20, 2022, a day after the 100-year flood. A river gauge on the west side of Moab showed the river was 10 feet higher than its average of about 4.5 feet at that gauge.