Regional Natural Hazard Mitigation Plan Prepared By the: 2018 Update Thomas Jefferson Planning District Commission 401 East Water Street Charlottesville, VA 22902 www.tjpdc.org | [email protected] Regional Natural Hazard Mitigation Plan | Thomas Jefferson District 2018 Plan Approved by FEMA & Adopted by Localities Executive Summary ............................................................................................................................................. ES 1 to ES-11 Introduction .................................................................................................................................................................... I-1 to I-2 Planning Process and Public Involvement ................................................................................................................ I-3 to I-6 Monitoring and Maintenance ........................................................................................................................................... I-7 Community Profile ................................................................................................................................................... CP1-CP-15 Hazard Identification and Analysis ................................................................................................................................... H 2 Hurricanes .......................................................................................................................................................................... H-4 High Winds and Thunderstorms ..................................................................................................................................... H-9 Flood ................................................................................................................................................................................ H-15 Winter Weather ............................................................................................................................................................ H-20 Wildfire ........................................................................................................................................................................... H-23 Drought and Extreme Heat .......................................................................................................................................... H-27 Tornado ........................................................................................................................................................................... H-30 Earthquake ...................................................................................................................................................................... H-34 Landslides ........................................................................................................................................................................ H-39 Dam Failure .................................................................................................................................................................... H-42 Karst ................................................................................................................................................................................. H-45 Other Hazards ............................................................................................................................................................... H-47 Data Sources .................................................................................................................................................................. H-49 Vulnerability Assessment ...................................................................................................................................................... V-2 Population ............................................................................................................................................................. V-3 to V-7 Buildings and Land Use and Development Trends ......................................................................................V-8 to V-15 Infrastructure .................................................................................................................................................... V-16 to V-18 Critical Facilities .............................................................................................................................................. V-18 to V-23 Estimating Potential Loss ............................................................................................................................................... V-24 Hurricane: Estimated Losses .......................................................................................................................... V-24 to V-27 Flood: Estimated Losses ................................................................................................................................. V-28 to V-43 Winter Weather: Estimated Losses ............................................................................................................................ V-44 Wildfire: Estimated Losses ............................................................................................................................ V-45 to V-53 Tornadoes: Estimated Losses ....................................................................................................................................... V-53 Drought: Estimated Losses ............................................................................................................................................ V-53 Earthquake: Estimated Losses ................................................................................................................................ V-53-57 Dam Failure: Estimated Losses..................................................................................................................................... V-58 Capabilities Assessment .......................................................................................................................................CA-1 - CA-3 Mitigation Strategy ........................................................................................................................................................... MS-1 Goals and Objectives ................................................................................................................................... MS-1 to MS-2 Hazard-Specific Strategies ......................................................................................................................... MS-2 to MS-6 Mitigation Actions ....................................................................................................................................... MS-6 to MS-14 Thomas Jefferson Region .......................................................................................................................................... MS-15 Albemarle County .................................................................................................................................... MS-16 to MS-23 Town of Scottsville .................................................................................................................................... MS-23 to MS-24 City of Charlottesville .............................................................................................................................. MS-24 to MS-30 Fluvanna County ....................................................................................................................................... MS-30 to MS-38 Greene County .......................................................................................................................................... MS-38 to MS-46 Town of Stanardsville ................................................................................................................................................ MS-47 Louisa County ............................................................................................................................................ MS-48 to MS-52 Town of Louisa........................................................................................................................................... MS-52 to MS-53 Town of Mineral .......................................................................................................................................................... MS-54 Nelson County ........................................................................................................................................... MS-54 to MS-56 Appendices: Introduction ............................................................................................................................................................ Appendix A ...................................... Hazard Mitigation Plan Working Group roster, meetings, Locality Contacts Appendix B ................................................................................................................................. Changes from 2012 Plan Appendix C ................................................................................................................ Information on Public Participation Appendix D .............................................................................................. Locality Capability Assessment Worksheets Executive Summary Background The