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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.
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 1984 flood demonstrated that emergency managers could not receive accurate and adequate data quickly enough about the progress of flooding from airport radars, updated hourly. The University of Oklahoma and Oklahoma State University collaborated with the Climatological Survey and other public and private agencies to create the Oklahoma ...
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 ...
However, flood control did not seem to be considered a serious problem until Tulsa's population growth spilled out into the Bird Creek watershed east and north of downtown Tulsa. The city issued its first land-use plan after a serious flood along the Arkansas River in 1923, but this plan was aimed more at preventing flooding along the Arkansas ...
Norman: University of Oklahoma Press, 1996. ISBN 0-8061-2804-6; Hoig, Stan. Beyond the Frontier: Exploring the Indian Country. Norman: University of Oklahoma Press, 1998. ISBN 0-8061-3052-0; Schumm, Stanley A. Channel Widening and Flood-Plain Construction along Cimarron River in Southwestern Kansas: Erosion and Sedimentation in a Semiarid ...
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.
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