What is flood zone A in Oklahoma?
An A-Zone is an area that would be flooded by the Base Flood, and is synonymous with SFHA or a 100-year floodplain. These areas may be numbered as A1 to A30, or as A99, or more commonly they may be unnumbered as A, AE, AH or AO Zones. Numbered A-Zones indicate an area’s at risk to flooding.
What is flood zone C?
The areas of minimal flood hazard, which are the areas outside the SFHA and higher than the elevation of the 0.2-percent-annual-chance flood, are labeled Zone C or Zone X (unshaded). …
Can you build houses in flood zone 3?
If the outcome of the sequential test is that homes have to be built in an area at risk of flooding – either Flood Zones 2 or 3 – then you need to show how the development will be made safe in the event of a flood. In its simplest guise, the floor level of homes can be raised above the likely height of any flooding.
When was the flash flood in Oklahoma City?
The flash flood in southwestern Oklahoma City, Oklahoma, May 8, 1993, was the result of an intense 3-hour rainfall on saturated ground or impervious surfaces. The total precipitation of 5.28 inches was close to the 3-hour, 100-year frequency and produced extensive flooding.
When did the Little River flood in Oklahoma?
Heavy rains of December 9-10, 1971, and Oct. 30-31, 1972, caused outstanding floods on Glover Creek and Little River in McCurtain County in southeastern Oklahoma. This report presents hydrologic data that document the extent of flooding, flood profiles, and frequency of flooding on reaches of both streams.
Where can I find a FEMA flood map?
How to View and Obtain Flood Maps. The FEMA Flood Map Service Center (MSC) is the official online location to find all flood hazard mapping products created under the NFIP, including your community’s flood map. Map Service Center. National Flood Hazard Layer.
When is the least likely month to have a flood in Oklahoma?
The spring and early summer months, April through July, have the highest occurrence of annual floods. More than two-thirds of all annual floods occur during these four months. December is the least likely month to have an annual flood in Oklahoma. ( Sauer, 1974, WRIR 73-52)