Jun 9, 2010
An upper level area of low pressure combined with deep boundary layer moisture to produce a slow moving mesoscale convective system. This MCS produced excessive rainfall from Atascosa to Comal counties. CoCoRAHs observers reported 7.81 inches of rain near Pleasanton and 11.30 inches near New Braunfels. Heavy rain began shortly after midnight over portions of southern Comal County. Heavy rains in excess of 11+ inches fell in the area centered between the Guadalupe River and Highway 46 between 2
Source: NOAA National Weather Service Storm Events Database (event 239057). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Bexar County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.