Sep 28, 2017
An atmospheric river of deep tropical moisture (below) that flowed from the eastern tropical Pacific Ocean through Mexico, combined with the remnants of Tropical Storm Pilar to enhance rainfall along the Rio Grande from northern Zapata County through Webb County from late on September 25th and again on September 26th.||Additional heavy rains fell over the Rio Grande Basin in northern Nuevo Leon and extreme eastern Coahuila State (Mexico) on the 27th. A fairly widespread zone of 10 to 15 inches o
Source: NOAA National Weather Service Storm Events Database (event 723454). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Zapata County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.