FloodZoneMap.org

Flash Flood — Harris, TX

Oct 31, 2015

A strong upper level storm system, combined with high moisture levels to produce a bands of excessive rainfall that caused flash flooding across Fort Bend, Harris and Liberty Counties. Thunderstorms rapidly developed shortly after midnight on the 31st over Matagorda and Fort Bend Counties and moved into Harris County around 1:00 a.m. The thunderstorms trained or moved over the same areas between 1:00 a.m. and 4:00 a.m. with significant rainfall occurring over the southwest and south-central port

Source: NOAA National Weather Service Storm Events Database (event 604968). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Harris, TX

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.

View Harris County flood data →

More Flood Stories

Hurricane (Typhoon)9 deaths$2.0B damage

Harris, TX · Sep 12, 2008

The eye of Hurricane Ike moved ashore in Galveston County near the city of Galveston. At landfall, Ike had a central pressure of 951.6 mb, as measured at Galveston Pleasure Pier, and a maximum estimated storm surge of 17 feet over portions of Chambers County and the Bolivar…

Read the full account →
Flash Flood38 deaths$10.0B damage

Harris, TX · Aug 26, 2017

Harvey made landfall as a category 4 hurricane near Rockport, Texas during the evening of August 25th. The storm then weakened to a tropical storm and slowed, looping back and tracking over SE Texas then back over the Gulf of Mexico making a second landfall along the Louisiana…

Read the full account →
Tropical Storm22 deaths$5.0B damage

Harris, TX · Jun 5, 2001

Tropical Storm Allison formed in the northwest Gulf of Mexico during the early afternoon of June 5th, 80 miles south of Galveston. Allison moved northward, making landfall on the west end of Galveston Island between midnight and 1am on the 6th, less than 12 hours after forming.

Read the full account →
Flash Flood7 deaths$25.0M damage

Harris, TX · May 25, 2015

Across already very saturated grounds, a slow moving line of thunderstorms moved into Harris County from central Texas during the evening hours of the 25th.

Read the full account →