Sep 19, 2021
A large cluster of thunderstorms developed over Seminole County in the late afternoon due to colliding outflow boundaries. These thunderstorms were nearly stationary for several hours over northern Seminole County, where hourly rainfall rates of 2 to 4 inches occurred. Much of the Sanford and Lake Mary areas received between 4 and 6 inches of rain within 2 to 3 hours. | |Localized flash flooding occurred in the Sanford area of Seminole County. Numerous streets and sidewalks became impassable due
Source: NOAA National Weather Service Storm Events Database (event 975566). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Seminole County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.