Nov 21, 2021
A convergent rain band associated with a coastal trough and near record high precipitable water values caused training of cells within Ft. Pierce and Port St. Lucie, prompting localized flash flooding. Rain totals of 6-12 inches occurred, with most of the rain falling in less than 12-hours, and the greatest accumulations happening in less than 6-hours. Many roads were inundated and had to be closed.
Source: NOAA National Weather Service Storm Events Database (event 989732). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in St. Lucie County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.