Hazard Mitigation Plan

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Hazard Mitigation Plan DRAFT Town of Shutesbury Hazard Mitigation Plan Adopted by the Shutesbury Select Board on , 2021 Approved by FEMA on , 2021 Prepared by Shutesbury Hazard Mitigation Committee and Franklin Regional Council of Governments 12 Olive Street, Suite 2 Greenfield, MA 01301 (413) 774-3167 www.frcog.org This project was funded by grants received from the Massachusetts Emergency Management Agency (MEMA) and the Federal Emergency Management Agency (FEMA). Acknowledgements The Shutesbury Select Board extends special thanks to the Shutesbury Hazard Mitigation Planning Committee as follows: XX The Shutesbury Select Board offers thanks to the Massachusetts Emergency Management Agency (MEMA) for developing the 2018 Massachusetts Hazard Mitigation and Climate Adaptation Plan which served as a resource for this plan and to staff for reviewing and commenting on the draft plan and to the Federal Emergency Management Agency (FEMA) for making the funds available and for the development of the Local Mitigation Planning Handbook, which provides a thorough overview of the Mitigation Planning process. Franklin Regional Council of Governments Peggy Sloan, Director of Planning & Development Kimberly Noake MacPhee, Land Use & Natural Resources Program Manager Tamsin Flanders, Land Use & Natural Resources Planner Ryan Clary, Senior GIS Specialist Cover photo of damage during the December 2008 ice storm courtesy of the Town of Shutesbury. Town of Shutesbury Hazard Mitigation Plan i Contents 1 PLANNING PROCESS .............................................................................................................................. 1 INTRODUCTION ................................................................................................................................... 1 HAZARD MITIGATION COMMITTEE ..................................................................................................... 1 PARTICIPATION BY STAKEHOLDERS ..................................................................................................... 3 2 LOCAL PROFILE AND PLANNING CONTEXT ............................................................................................ 6 COMMUNITY SETTING ......................................................................................................................... 6 IMPACTS OF CLIMATE CHANGE ......................................................................................................... 16 3 HAZARD IDENTIFICATION AND RISK ASSESSMENT .............................................................................. 22 NATURAL HAZARD RISK ASSESSMENT METHODOLOGY .................................................................... 24 FLOODING.......................................................................................................................................... 28 SEVERE SNOWSTORMS / ICE STORMS .............................................................................................. 55 HURRICANES / TROPICAL STORMS .................................................................................................... 69 SEVERE THUNDERSTORMS / WIND / MICROBURSTS ........................................................................ 80 TORNADOES ...................................................................................................................................... 93 WILDFIRE ......................................................................................................................................... 105 EARTHQUAKES ................................................................................................................................. 121 DAM FAILURE .................................................................................................................................. 133 DROUGHT ........................................................................................................................................ 139 LANDSLIDES ..................................................................................................................................... 148 EXTREME TEMPERATURES .............................................................................................................. 155 INVASIVE SPECIES ............................................................................................................................ 175 OTHER HAZARDS ............................................................................................................................. 192 3.14.1 VECTOR-BORNE DISEASES ............................................................................................................... 192 3.14.2 HUMAN MADE HAZARDS ................................................................................................................ 204 4 MITIGATION CAPABILITIES & STRATEGIES ......................................................................................... 211 NATURE-BASED SOLUTIONS FOR HAZARD MITIGATION & CLIMATE RESILIENCY ........................... 211 EXISTING AUTHORITIES POLICIES, PROGRAMS, & RESOURCES ....................................................... 212 HAZARD MITIGATION GOAL STATEMENTS AND ACTION PLAN....................................................... 228 5 PLAN ADOPTION AND MAINTENANCE .............................................................................................. 244 PLAN ADOPTION .............................................................................................................................. 244 PLAN MAINTENANCE PROCESS ....................................................................................................... 244 APPENDIX A: Public Participation ............................................................................................................. 254 APPENDIX B: FEMA PLAN REVIEW TOOL .................................................................................................. 255 Town of Shutesbury Hazard Mitigation Plan ii Table of Tables Table 2-1: Shutesbury 2016 MassGIS Land Cover and Land Use Data ......................................................... 7 Table 2-2: New residential permits issued in Shutesbury 2016-2020 .......................................................... 9 Table 2-3: Shutesbury Cultural Resources .................................................................................................. 16 Table 3-1: Comparison of Hazards in the Massachusetts State Hazard Mitigation and Climate Adaptation Plan, Shutesbury Hazard Mitigation Plan, and Shutesbury MVP Resiliency Plan ....................................... 22 Table 3-2: Location of Occurrence Rating Scale ......................................................................................... 24 Table 3-3: Probability of Occurrence Rating Scale ...................................................................................... 25 Table 3-4: Impacts Rating Scale .................................................................................................................. 25 Table 3-5: Shutesbury Hazard Identification and Risk Analysis .................................................................. 26 Table 3-6: Previous Occurrences of Flash Floods in Franklin County ......................................................... 40 Table 3-7: Previous Occurrences of Floods in Franklin County................................................................... 41 Table 3-8: Flooding Events in Shutesbury ................................................................................................... 42 Table 3-9: Estimated Shutesbury Population Exposed to a 1 Percent Flood Event .................................... 45 Table 3-10: Estimated Vulnerable Populations in Shutesbury ................................................................... 45 Table 3-11: Acres of Commercial, Industrial, and Public/Institutional Land Use Within the Flood Hazard Area in Shutesbury ...................................................................................................................................... 48 Table 3-12: Average Assessed Value of Land Use in Flood Hazard Area ....... Error! Bookmark not defined. Table 3-13: NFIP Policies, Claims, and Repetitive Loss Statistics for Shutesbury ....................................... 49 Table 3-14: Regional Snowfall Index Categories ......................................................................................... 58 Table 3-15: Northeast Snowfall Impact Scale Categories ........................................................................... 58 Table 3-16: High-Impact Snowstorms in Franklin County, 1958 - 2018 ..................................................... 61 Table 3-17: Estimated Vulnerable Populations in Shutesbury ................................................................... 64 Table 3-18: Estimated Potential Loss by Tax Classification ........................................................................ 66 Table 3-19: Estimated Vulnerable Populations in Shutesbury ................................................................... 75 Table 3-20: Estimated Potential Loss by Tax Classification ........................................................................ 76 Table 3-21: High Wind Events in Franklin County ....................................................................................... 83 Table 3-22: Thunderstorm Wind Events in Shutesbury .............................................................................. 83 Table 3-23: Lightning Events in Franklin County
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