2022 06 21 City Council
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17 Section 3: Risk Assessment Hazard Identification To begin to assess McMinn County, and all jurisdictions within, risk to natural hazards and identify the community’s areas of highest vulnerability, the mitigation committee had to identify which hazards have or could impact the county. This hazard identification process began with researching previous hazard events that have occurred in McMinn County by go ing through newspaper articles, McMinn County Emergency Management records, and recalling personal experiences. From there Emergency Management staff also analyzed hazard events that could occur in the county by reviewing scientific studies and the State of Tennessee Hazard Mitigation Plan. The following hazards have been identified as hazards of prime concern by the McMinn County Hazard Mitigation Commit tee. By focusing on hazards that are a top priority for the committee, it allowed for better committee discussion and awareness. In some cases, sources of data are restricted to the State of Tennessee Hazard Mitigation Plan and state agencies to ensure continuity of reporting into future years . Consideration has been paid to local needs, input and sensitivities to ensure state and federal input doesn’t influence the needs or desires, as deemed appropriate by the committee, of this local plan. Flooding Flooding events occur when excess water from rivers and other bodies of water overflow onto riverbanks and adjacent floodplains. In addition, lower lying regions can collect water from rainfall and poorly drained land can accumulate rainfall through ponding on the surface. Floods in McMinn County are usually caused by rainfall but may also be caused by snowmelt and man‐ made incidents. The below charts explain common ways flooding occurs and common factors that contribute toward the severity of floods. Source: The Field Studies Council 98