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<br />1. Improved flood warning and forecasting services. <br />2. Permanent evacuations of the flood plain. <br />3. Implementation of effective flood plain management <br /> <br />programs. <br /> <br />b. Structural measures. <br /> <br />1. Reservoirs. <br />2. Channel improvement. <br />3. Diversions. <br />4. Levees. <br /> <br />c. Combination of structural and non-structural measures. <br /> <br />d. No improvement. <br /> <br />Accurate, timely forecasting of floods and critical stream stages, <br />coupled with temporary evacuation and other emergency measures can <br />often save lives in addition to reducing property losses. However, <br />the National Oceanic and Atmosphere Administration (NOAA) Weather Service <br />provides no specific flood forecasts for tributary streams of the Ark- <br />ansas River in the Holly, Colorado area. The principal service the <br />Weather Service provides is a general alert to the danger of flash <br />flooding. Funding restraints prevent the Weather Service operation of <br />the relatively dense networks of equipment required for effective flood <br />forecasting. A community flash flood reporting network of river and <br />rainfall stations and flood warning program developed and operated in <br />connection with the Weather Service Office at Pueblo could minimize <br />loss of life and movable property in the event of a major flood; however, <br />this system is expensive and not completely dependable. Also, under <br />any system of flood warning and forecasting, no matter how extensive <br />or elaborate, sufficient time may not be available to take adequate <br />precautions, especially in the study area where thunders torms can occur <br />in a very short time and cause very high peaks in a short duration of <br />time. <br /> <br />Permanent evacuation of the flood plain areas could be used to re- <br />duce the flood hazard. This measure could involve removal of all <br />buildings and personal property within the town of Holly and relocating <br />them to an area not exposed to flooding. In addition to the adverse <br />effects on the residents, the benefit-cost relationships of relocating <br />the entire community equals 0.12. Therefore, evacuation does not appear <br />to be a practical or feasible solution. <br /> <br />Planned development and management of flood hazard areas can be <br />accomplished by a variety of means including zoning, building codes, <br />flood proofing, and urban redevelopment. Selective zoning could insure <br />the mos t beneficial use of the flood plain lands while safeguarding the <br />health, safety and welfare of the community. Also, designated flood- <br />ways could be established for the floodway zone. However, since most <br /> <br />9 <br />