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Tulsa's government responded to the 1970 flood by joining the "emergency program" of the National Flood Insurance Program (NFIP) and promising to adopt federal floodplain regulations. In August 1971, NFIP issued its block rate maps. A month later, on Labor Day, Flat Rock, Bird and Haikey creeks flooded, affecting many suburban communities.
The first round of rainfall on May 18 produced widespread totals of 0.5–1 in (13–25 mm) across eastern Oklahoma and western Arkansas, raising the Arkansas River into flood stage. [ 5 ] : 23 With the threat of flood and a tornado outbreak looming, many events scheduled for the evening of May 20 were cancelled or rescheduled.
The term 100-year flood indicates that the area has a one-percent chance of flooding in any given year, not that a flood will occur every 100 years. [ 2 ] Such maps are used in town planning , in the insurance industry, and by individuals who want to avoid moving into a home at risk of flooding or to know how to protect their property.
In Oklahoma, Indigenous communities are the most likely to be at risk of flooding, with one recent study showing the danger increases by more than five times when compared to surrounding areas ...
A flood watch will continue through 9 p.m. on Friday," the NWS said. All rain should move out of Oklahoma by dawn on Saturday, paving the way for seasonable and pleasant weather.
The Fort Gibson Dam is a gravity dam on the Grand (Neosho) River in Oklahoma, 5.4 mi (9 km) north of the town of Fort Gibson.The dam forms Fort Gibson Lake. The primary purposes of the dam and lake are flood control and hydroelectric power production, although supply of drinking water to local communities, as well as recreation, are additional benefits. [4]
The primary purpose of the lake is flood control. It has become a popular recreation area. [1] According to the U. S. Army Corps of Engineers, the Hulah Lake project includes a public hunting area, bringing the total project area to 21,510 acres (8,700 ha). The dam is gravity type with an earthen core on a rock foundation.
At flood stage its elevation is at 437.5 feet (133.4 m) above sea level and it is capable of storing 966,700 acre-feet (1.1924 × 10 9 m 3) of flood waters. The lake's primary functions are to provide flood control, water storage, and recreational opportunities.