Rainfall Since making landfall on the Texas coast late on 25 August, Harvey has dumped historical levels of rainfall across parts of Houston and south eastern Texas. US Coast Guard – flooding in Greater Houston 27 August 2017. A spokesman for the Corps said "This flood event will exceed the 2016 tax day flood elevations." The torrential rain is expected to continue and spread eastwards, threatening flooding in parts of Louisiana. The Army Corps of Engineers said it is releasing water to ease the situation. Levels of the Addicks and Barker dams near Houston are dangerously high. Local flood control authorities estimated that thousands of homes have been flooded across the Harris county, which includes most of Houston. Catastrophic flooding is now underway and expected to continue for days." River levels in south eastern Texas have already broken previous record highs in at least 6 locations, with more record highs likely to follow. President Trump has issued a Major Disaster Declaration for the state of Texas The National Weather Service said: "The breadth and intensity of this rainfall are beyond anything experienced before. Five people have reportedly died in the storm, including at least 2 in flooding in the Houston area. 0 COMMENT Massive amounts of rain brought by Hurricane Harvey have caused catastrophic flooding in parts of south eastern Texas, including Fort Bend, Brazoria and Galveston Counties, as well as Harris County and wide areas of Houston.Description of this Event:Īccording to Flood List: USA – Catastrophic Flooding in Houston and South East Texas 28 AUGUST, 2017 BY RICHARD DAVIES IN NEWS, USA On September 8, 2017, mapping of this event terminated. As the flood event proceeds, additional flood extent layers and maps may be added the objective is mapping of the maximum extent flooded. This event is selected for Observatory production of map and GIS data products.This web page and associated image and map (GIS) files are the permanent Flood Observatory record of this event.
#Houston flood map license#
Consult the Creative Commons license shown below. Geotif versions and GIS files are also provided for these maps. By permission, which is freely granted, they can be used for commercial purposes. With attribution, they can be used and shared freely for non-commercial purposes. As part of collaborations with other organizations, and the Global Flood Partnership, the Observatory's maps and other data are made available to the public.
In some cases, severe or damaging floods become the focus of Observatory flood extent mapping. A single GIS polygon for each event estimates the total area affected.
#Houston flood map archive#
New major flood events are entered into this archive each week. The Flood Observatory maintains a Global Active Archive of large flood events, 1985 to present. Geotif version Explanation Event Numbers: Geotif version Detail : Maximum Observed Flooding
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