100-year flood means a flood that has a 1-percent or greater chance of recurring in any given year or a flood of a magnitude equaled or exceeded once in 100 years on the average over a significantly long period.
100-year flood means a flood that has a one percent chance of being equalled or exceeded in any given year.
100-year flood means a flood, the magnitude of which has a one percent (1%) chance of being equaled or exceeded in any given year or which, on the average, will be equaled or exceeded at least once every one hundred (100) years.
More Definitions of 100-year flood
100-year flood or "base flood" means a flood that has a one percent or less chance of recurring in any given year or a flood of a magnitude equaled or exceeded once in one hundred years on the average over a significantly long period.
100-year flood means the flood having a one percent chance of being equaled or
100-year flood means the condition of flooding having a one percent chance of annual occurrence.
100-year flood means a flood that has a one-percent or greater chance of recurring in any given
100-year flood means the flood having a one per cent chance of being equaled or exceeded in magnitude in any given year.
100-year flood means a flood that has a 1-percent chance of recurring in any given year. Rainfall amounts for the 100-year flood can be found at: https://hdsc.nws.noaa.gov/hdsc/pfds/pfds_map_cont.html.
100-year flood means a statistical designation that there is a 1 in 100 chance that a flood of this intensity will occur at a particular geographical location during any year.