Aug 12, 2016
A slow moving low pressure system brought widespread showers and thunderstorms to the area. The system tapped into deep tropical moisture resulting in very intense rainfall across a large portion of the area. Two-day rainfall totals of 10 inches or more were common across areas generally to the west and northwest of Lakes Pontchartrain and Maurepas. The heaviest rainfall occurred across a swath of East Baton Rouge, Livingston, and St. Helena Parishes, where 20 to 30 inches fell over a 48-hour pe
Source: NOAA National Weather Service Storm Events Database (event 656004). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in St. Helena County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.