Oct 22, 2015
A plume of tropical moisture through the mid levels of the atmosphere combined with a weak upper level disturbance created a slow���moving intense thunderstorm that eased into Willacy County. While over Willacy, mainly along and east of Farm���to���Market Road (FM) 1420 and west of the Laguna Madre, the cell dumped more than three hours of torrential rain in and near the communities of San Perlita, Willamar, and Santa Monica. As the rain totals increased, the water piled up; FM
Source: NOAA National Weather Service Storm Events Database (event 605978). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Willacy County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.