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Hurricane Harvey was a devastating tropical cyclone that made landfall on Texas and Louisiana in August 2017, causing catastrophic flooding and more than 100 deaths. It is tied with 2005's Hurricane Katrina as the costliest tropical cyclone on record, [nb 1] inflicting $125 billion (2017 USD) in damage, primarily from catastrophic rainfall-triggered flooding in the Houston metropolitan area ...
The earliest floodplain map located in the Chemical Safety Board investigation, was from September 1985, and indicated the plant was in "Zone C - Area of Minimal Flooding". A November 1996 update to the floodplain map, placed most of the facility into "Other Areas - Zone X - Areas determined to be outside the 500-year floodplain".
According to officials from the Harris County Flood Control District, Harvey caused the third '500-year' flood in three years. [146] [147] [148] The National Climate Assessment states: The recent increases in activity are linked, in part, to higher sea surface temperatures in the region that Atlantic hurricanes form in and move through.
Two-thirds of the bayous and creeks in Harris County experienced 500-year flood events. Houston Intercontinental Airport, which typically receives 46.07 inches (1,170 mm) of rain in a year, experienced 35.7% of its expected total in the first nine days of June. [1] The deluge flooded 95,000 automobiles and 73,000 houses throughout Harris County ...
The state’s flood plan shows which Texans are most at risk of flooding and suggests billions of dollars more are needed for flood mitigation projects. Texas’ first-ever statewide flood plan ...
Hurricane Katrina. Floods in the United States (2000–present) is a list of flood events which were of significant impact to the country during the 21st century, since 2000. Floods are generally caused by excessive rainfall, excessive snowmelt, storm surge from hurricanes, and dam failure.
A flood insurance rate map (FIRM) is an official map of a community within the United States that displays the floodplains, more explicitly special hazard areas and risk premium zones, as delineated by the Federal Emergency Management Agency (FEMA). [1] The term is used mainly in the United States but similar maps exist in many other countries ...
Buffalo Bayou is a slow-moving body of water which flows through Houston in Harris County, Texas.Formed 18,000 years ago, it has its source in the prairie surrounding Katy, Fort Bend County, and flows approximately 53 miles (85 km) east through the Houston Ship Channel into Galveston Bay and the Gulf of Mexico. [2]