Jun 4, 2016
A western upper low over central Texas, in combination with an approaching inland frontal boundary sagging south towards the coast within a very moist air mass, provided the necessary focus for storm clusters to track over the southeastern forecast area and produce a high rainfall-leading-to-a-flooding event.
Source: NOAA National Weather Service Storm Events Database (event 644979). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Harris County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.