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<br />e <br /> <br />e <br /> <br />e <br /> <br />Determine the Level of Threat from the information given below: <br /> <br />LEVEL 1 - If the gage height is forecast to be between 12.2 and 13.9 <br />feet (10 to 50-year flood event) at the Canon City gage location, the level of <br />threat corresponds to the BLUE flood zone shown on plates 2-20 at the back <br />of this plan. See chapter 5 for response actions to be implemented. <br /> <br />LEVEL 2 - If the gage height is forecast to be between 13.9 and 15.0 <br />feet (50 to 100-year flood event) at the Canon City gage location, the level <br />of threat corresponds to the PURPLE flood zone shown on plates 2-20 at the <br />back of this plan. See chapter 5 for response actions to be implemented. <br /> <br />LEVEL 3 - If the gage height is forecast to be between 15.0 and 17.0 <br />feet (100 to 500-year flood event) at the Canon City gage location, the ievel <br />of threat corresponds to the RED flood zone shown on plates 2-20 at the <br />back of this plan. See chapter 5 for response actions to be implemented. <br /> <br />Table 3 displays these flood zones for the Arkansas River at the <br />Canon City Gage location. Figure 3 on page 12 also graphically displays the <br />stage and gage height information for the gage location. <br /> <br />TABLE 3 - Canon City FLOOD ZONES <br />ARKANSAS RIVER <br /> <br /> <br />It is important to note that future and/or observed conditions be <br />considered when choosing the Level of Threat. For example, if the Weather <br />Service forecasts the flood to reach the purple flood zone, but is not <br />expected to crest in the red zone, then evacuation of the red zone may not <br />be required. However, if stream watchers are observing higher flow <br />conditions than what the NWS has predicted, the higher level of threat <br />should be used. <br /> <br />After determining the level of flood threat, the flood maps shown on <br />Plates 2-20 should be reviewed to identify the areas likely to be affected by <br />the corresponding forecasted river stage. Following the identification of the <br />flood threat, the County Emergency Director should initiate the warning <br />dissemination. <br /> <br />11 <br /> <br />ill Level 1 Definition <br /> <br />Level 2 Definition <br /> <br />Level 3 Definition <br /> <br />N See pages 6, 9, and <br />12 for descriptions <br />between gage height <br />and stage. <br />