Choctaw County, Alabama Multi-Jurisdictional Natural Hazards
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Choctaw County, Alabama Multi‐Jurisdictional Natural Hazards Mitigation Plan June 2013 Michael Armistead, Probate Judge Sam Bonner, Commissioner District 3 Tony Cherry, Commissioner District 1 Mark Gibson, Commissioner District 4 Willie Horne, Commissioner District 2 Tyler Davidson, Director Choctaw County Emergency Management Agency Choctaw County, Alabama Unicorporated Choctaw County Town of Butler Town of Gilbertown Town of Lisman Town of Needham Town of Pennington Town of Silas Town of Toxey Multi‐Jurisdictional Natural Hazards Mitigation Plan March 2014 Michael Armistead, Probate Judge Sam Bonner, Commissioner District Tony Cherry, Commissioner District Mark Gibson, Commissioner District Willie Horne, Commissioner District Tyler Davidson, Director Choctaw County Emergency Management Agency Table of Contents 1. Background and Purposes of the Plan a. About the Plan ............................................................................................. 1 b. Scope ............................................................................................................ 1 c. Authority ...................................................................................................... 1 d. Funding ....................................................................................................... 1 e. Purposes ...................................................................................................... 2 f. What has been updated in this section ....................................................... 2 2. County Profile a. Geographic setting and history .................................................................... 3 b. Government ................................................................................................. 4 c. Demographics .............................................................................................. 4 d. Economy ...................................................................................................... 7 e. Climate ......................................................................................................... 8 f. Physical features .......................................................................................... 9 g. Transportation ........................................................................................... 12 h. Utilities ....................................................................................................... 13 i. What has been updated in this section ..................................................... 14 3. Planning Process a. Hazard Mitigation Planning Committee .................................................... 15 b. Public Involvement .................................................................................... 20 c. Interagency and intergovernmental coordination .................................... 21 d. Participating jurisdictions .......................................................................... 22 e. Integration with existing plans .................................................................. 22 f. What has been updated in this section ..................................................... 22 4. Risk Assessment a. Risk Assessment Process............................................................................ 23 b. Identification of Risks................................................................................. 23 c. Federally‐declared disasters ...................................................................... 24 d. Hurricane/Tropical Storm .......................................................................... 24 e. Flood .......................................................................................................... 27 f. Severe Storms ............................................................................................ 31 g. Tornadoes .................................................................................................. 42 h. Wildfire ...................................................................................................... 47 i. Drought/Heat Waves ................................................................................. 51 j. Winter Storms/Freezes .............................................................................. 53 k. Levee/Dam Failures ................................................................................... 54 l. Landslides .................................................................................................. 57 m. Earthquakes ............................................................................................... 59 n. Vulnerability Assessment and Identification of Assets .............................. 61 i. Building Assets ....................................................................... 62 ii. Critical Facilities ...................................................................... 63 iii. Estimated Losses by Hazard .................................................. 68 iv. Analysis of Development Trends ........................................... 71 v. Risk Assessment by Jurisdiction ............................................ 71 o. What has been updated in this section .................................................... 72 5. Mitigation Strategies a. Purpose of Mitigation Strategies......................................................... 73 b. Identification and Analysis of Mitigation Measures ........................... 73 c. Types of Mitigation Activities .............................................................. 73 d. Existing Hazard Mitigation Activities ................................................... 74 e. Mitigation Issues and Opportunities ................................................... 76 f. Mitigation Policies Plan ...................................................................... 77 i. Unincorporated Choctaw County Mitigation Measures ........ 80 ii. Town of Butler Mitigation Measures ..................................... 89 iii. Town of Gilbertown Mitigation Measures ............................. 98 iv. Town of Lisman Mitigation Measures ................................. 107 v. Town of Needham Mitigation Measures ............................. 116 vi. Town of Pennington Mitigation Measures .......................... 125 vii. Town of Silas Mitigation Measures ...................................... 134 viii. Town of Toxey Mitigation Measures ................................... 143 6. Plan Maintenance .......................................................................................... 152 7. Approval and Adoption .................................................................................. 154 8. Appendices a. Appendix A – 44 CFR 201 Hazard Mitigation Planning ............................ i b. Appendix B – Sign in sheets for each meeting .................................... xiv c. Appendix C – Resolutions by each entity adopting the Plan Update. xx d. Appendix D – Completed Local Mitigation Plan Review Crosswalk .... xxi List of Acronyms AEMA ................................................... Alabama Emergency Management Agency FEMA ......................................................... Federal Emergency Management Agency HMGP ................................................................... Hazard Mitigation Grant Program NCDC ........................................................................... National Climate Data Center NFIP ...................................................................... National Flood Insurance Program NWS .................................................................................. National Weather Service PDM ....................................................................................... Pre‐Disaster Mitigation List of Maps Map 1 Location Map of Choctaw County, Alabama Map 2 2010 Population by Census Tract in Choctaw County, Alabama Map 3 Choctaw County Digital Elevation Model Map 4 National Land Cover Database for Choctaw County Map 5 Major Transportation in Choctaw County, Alabama Map 6 Choctaw County Special Flood Hazard Area (100‐year floodplain) Map 7 Fires per 1000 acres in Choctaw County, Alabama Map 8 Choctaw County Fire Risks Map 9 Dams in Choctaw County Map 10 Statewide Landslide Incidences in and Susceptibility by County Map 11 Historical Incidences of Earthquakes in Choctaw County, Alabama Map 12 Probabilities of Incidences of Earthquakes Map 13 Choctaw County Communication Facilities Map 14 Choctaw County Emergency Facilities Map 15 Choctaw County Hazardous Facilities Map 16 Choctaw County Medical Facilities Map 17 Choctaw County Schools List of Charts Chart 1 Population of Choctaw County and Unincorporated Areas in 2000 and 2010. Chart 2 Population Choctaw County Incorporated Areas in 2000 and 2010 Chart 3 2010 Choctaw County Race Data List of Tables Table 1 Summary of economic data for Choctaw County Table 2 List of Organizations Invited to Participate in Hazard Mitigation Planning Kickoff Meeting Table 3 Assessment of Perceived Risk of from Hazards Table 4 Summary of Federal Disasters in Choctaw County, Alabama Table 5 Major hurricanes/tropical impacted Choctaw County over the 20 years Table 6 Flooding events in Choctaw County, Alabama Table 7 Hail storms in Choctaw County, Alabama Table 8 High wind events from thunderstorms in Choctaw County, Alabama Table 9 Lightning events in Choctaw County, Alabama since 1994 Table 10 Tornadoes in Choctaw County, Alabama Table 11 Excessive Heat events in Choctaw County, Alabama Table 12 Winter