Marshall County. Multi-Hazard Mitigation Plan. I. Comprehensive Plan. A multi-jurisdictional plan

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Grant City of Guntersville Town of Union Grove Marshall County, Alabama Prepared under the direction of the Marshall

1 2014 Marshall County Multi-Hazard Mitigation Plan I. Comprehensive Plan A multi-jurisdictional plan City of Albertville City of Arab City of Boaz Town of Douglas Town of Grant City of Guntersville Town of Union Grove Marshall County, Alabama Prepared under the direction of the Marshall County Hazard Mitigation Planning Committee With the support of the Marshall County EMA by: Funding provided by the Alabama EMA through the FEMA Hazard Mitigation Grant Program January 30, 2015

3 City of Albertville, City of Arab, City of Boaz, Town of Douglas, Town of Grant, City of Guntersville, Town of Union Grove, and Marshall County, Alabama Marshall County Hazard Mitigation Planning Committee Leslie McClendon, City of Albertville Tim Tidmore, Albertville City Schools, Director of Federal Programs Gary Nunnally, City of Albertville, Personnel and Purchasing Jeremy Griggs, City of Arab, Building Inspector Brad Kitchens, Arab City Schools, Coordinator of Support Services Jessica Patterson, City of Boaz, Administrative Assistant Jimmy Hanson, City of Boaz, Building Inspector Randall Haney, Boaz City Schools, Assistant Superintendent Carolyn Garrett, Town of Douglas, Court Clerk Bethany King, Town of Grant, Court Clerk Carl Fulmer, City of Guntersville, Revenue and Code Enforcement Officer Patty Meigs, City of Guntersville Jeff Gibbs, Guntersville City Schools, Board of Education Safety Anita McBurnett, Marshall County EMA, Director George Harwell, Marshall County EMA, Operations Specialist Bob Pirando, Marshall County, County Engineer Charlie Jimmerson, Marshall County, IT/Technology Candece Adkins, Alabama Department of Public Health, Surveillance Nurse Darren Welborn, Marshall Medical Centers EMS, Deputy Chief Paul Gore, Snead State Community College, Director of Security Mark Richard, Snead State Community College, Chief Financial Officer Steve Williams, Snead State Community College, Physical Plan Director Cindy McGregor, Advertiser-Gleam Contacts Anita McBurnett, Director Marshall County EMA marshallcountyema.org 3550 Creek Path Road Guntersville, AL James E. Lehe, AICP, Manager Lehe Planning, LLC leheplanning.com 300 Century Park South, Suite 216 Birmingham, AL The preparation and publication of this plan was funded in part by a FEMA grant under the Hazard Mitigation Grant Program awarded by the Alabama EMA to the Marshall County Commission. Copyright 2015 by Lehe Planning, LLC. All Rights Reserved. This document contains jelehe@leheplanning.com proprietary materials and methods copyrighted by Lehe Planning, LLC. Permission is granted to the Marshall County Emergency Management Agency (EMA) for its internal use. Use by anyone other than the Marshall County EMA requires the express written permission of Lehe Planning, LLC. You may not copy, modify, publicly display, distribute, reverse engineer, or incorporate into your products or services this document (or any of the information or data structures contained herein) without the express written authorization of Lehe Planning, LLC. January 30, 2015

Acknowledgments Marshall County Emergency Management Agency Anita McBurnett, Director George Harwell, Operations Specialist Lehe Planning, LLC James E.

5 Acknowledgments Marshall County Emergency Management Agency Anita McBurnett, Director George Harwell, Operations Specialist Lehe Planning, LLC James E. Lehe, AICP, Project Principal Celeste Boydston, Public Involvement Lori Gardner, AICP, Risk Assessment Amanda Capps, Mitigation Strategies Candace Snipes, GIS Mapping and Analysis Kay Jones, Administrative Support

7 Volume I. Comprehensive Plan Executive Summary... vii Chapter 1 Introduction Background Authority Funding Eligibility for FEMA Hazard Mitigation Assistance Grants Marshall County Natural Hazards Mitigation Plan (2004) The 2009 Marshall Co. Multi-Hazard Mitigation Plan Update The 2014 Marshall Co. Multi-Hazard Mitigation Plan Update Chapter 2 Prerequisites Federal Prerequisites Plan Approval Required for Mitigation Grants Eligibility Multi-Jurisdictional Participation Multi-Jurisdictional Plan Adoption Chapter 3 Community Profiles Federal Advisory Guidance for Community Profiles Summary of Plan Updates Geographic Setting and History Government Physical Features Climate Demographics Economy Utilities Media Transportation Chapter 4 The Planning Process Federal Requirements for the Planning Process Summary of Plan Updates Opportunities for Public Comment on the Plan Opportunities for Involvement in the Planning Process Review and Incorporation of Applicable Plans and Documents How the Plan was Prepared Who was Involved in the Planning Process The Hazard Mitigation Planning Committee The Mission of the Hazard Mitigation Planning Committee Preparation of the Plan Update How the Public was Involved in the Planning Process The Plan Review and Update Process i

8 Chapter 5 Risk Assessment Federal Requirements for Risk Assessments Summary of Plan Updates Identification of Hazards Identification of Hazards Affecting Each Jurisdiction Hazard Profiles Tornadoes Profile Severe Storms Profile Floods Profile Winter Storms/Freezes Profile Hurricanes Profile Droughts/Heat Waves Profile Wildfires Profile Dam/Levee Failures Profile Landslides Profile Earthquakes Profile Sinkholes (Land Subsidence) Profile Human-Caused and Technological Hazards Profile Vulnerability of Structures within Each Jurisdiction Scope of Structure Inventory Inventory Methodology HAZUS-MH Structure Inventory Existing & Future Structure Vulnerabilities by Hazard & Jurisdiction Estimate of Dollar Losses to Vulnerable Structures Scope and Purpose of Loss Estimates Loss Estimate Methodology HAZUS-MH Loss Estimates Loss Estimates Based on Historical Records Recommended Risk Assessment Measures General Description of Land Uses and Development Trends Impacts of Development Trends on Vulnerability Past Trends Future Trends Repetitively-Damaged NFIP-Insured Structures Summary of Hazards and Community Impacts Risks that Vary Among the Jurisdictions Chapter 6 Mitigation Strategy Federal Requirements for the Mitigation Strategy Summary of Plan Updates Goals for Hazard Mitigation Description of How the Goals were Developed The Vision for Disaster-Resistant Marshall Co. Communities Community Goals Compatibility with 2013 Alabama State Plan Goals Participation and Compliance with the NFIP Implementation of Mitigation Actions Chapter 7 Plan Maintenance Process Federal Requirements for the Plan Maintenance Process Summary of Plan Updates ii

9 7.3 Monitoring, Evaluating, and Updating the Mitigation Plan Ongoing Monitoring of the Plan Evaluating the Plan Plan Update Process Incorporation of the Mitigation Plan into Other Planning Mechanisms Continuing Public Participation in the Plan Maintenance Process Volume II. Community Action Programs Appendices 1.0 Development of Community Action Programs Community Action Programs for Each Jurisdiction... 1 Appendix A Federal Requirements for Local Mitigation Plans... A-1 Appendix B Community Mitigation Capabilities... B-1 Appendix C 2009 Plan Implementation Status... C-1 Appendix D HMPC Hazard Identification and Ratings... D-1 Appendix E Hazard Profile Data... E-1 Appendix F Alternative Mitigation Measures... F-1 Appendix G Committee Meeting Documentation... G-1 Appendix H Community Involvement Documentation... H-1 Appendix I Multi-Jurisdictional Participation Activities... I-1 Appendix J Adopting Resolution... J-1 List of Maps Map 3-1 Marshall County Map 3-2 Location of Marshall County Map 3-3 Municipalities Map 3-4 Topography Map 3-5 Alabama Forest Types Map 3-6 Major Employers Map 3-7 Marshall County Transportation Map 5-1 Tracks of Tornadoes Path in Alabama on April 27, Map 5-2 Marshall County Tornadoes, Map 5-3 Alabama Tornado Threat Contours Map 5-4 Flood Zones Map 5-5 Alabama Winter Storm Interval ( ) Map Year Hurricane Wind Speeds Map 5-7 Hurricane Opal Track Map 5-8 Hurricane Ivan Track Map 5-9 Hurricane Ivan Alabama Path Map 5-10 Hurricane Ivan Alabama Peak Wind Gusts Map 5-11 Hurricane Paths, Map 5-12 Marshall County Forest Fuels Map 5-13 Marshall County Wildfire Risk Map 5-14 Marshall County Fire Observations Map 5-15 Marshall County Fire per 1,000 Acres iii

10 Map 5-16 Marshall County Communities Fire Risk Map 5-17 Dams/Levees Map 5-18 Dam Failure Inundation Areas Map 5-19 Landslide Areas Map 5-20 Seismic Zones Map 5-21 Earthquake Ground Shaking Potential Map 5-22 Earthquake Liquefaction Potential Map 5-23 Peak Ground Acceleration Map 5-24 Alabama Earthquake Locations Map Irondale Earthquake Map 5-26 Marshall County PGA for 1916 Earthquake Map Regional Earthquake Impacts Map Fort Payne Earthquake Intensity Map 5-29 Karst Geography, Alabama Map 5-30 Sinkhole Density in Alabama Map 5-31 Marshall County Sinkhole Susceptibility Map 5-32 Hazardous Materials Storage Map 5-33 Marshall County Government Facilities Map 5-34 Marshall County Public Safety Facilities Map 5-35 Marshall County Schools Map 5-36 Marshall County Hospital and Elderly Care Facilities Map 5-37 Marshall County Community Shelters Map 5-38 Marshall County Communication Facilities Map 5-39 Marshall County Warning Sirens Map 5-40 Marshall County Utilities Map 5-41 Marshall County Dams & Levees Map 5-42 Marshall County Transportation Infrastructure Map 5-43 Total Building Damages from 100 Year Flood Map 5-44 Total Residential Building Damage (100 Year Flood) Map 5-45 Value of Buildings Exposed to 100 Year Flood Map 5-46 HAZUS-MH Hurricane Opal Direct Economic Loss Map Irondale Earthquake Ground Shaking Impacts Map Irondale Earthquake Economic Loss Impacts Map 5-49 Population Density in Marshall County Map 5-50 Marshall County Land Cover List of Tables Table 3-1 Summary of Plan Updates Table 3-2 Weather Observations Table 3-3 Population Change from 1990 to Table 3-4 Population by Race and Hispanic Origin Table 3-5 Population by Gender Table 3-6 Comparison of Income and Poverty Levels Table 3-7 Major Employers Table 4-1 Summary of Plan Updates Table 5-1 Summary of Plan Updates Table 5-2 Identified Marshall County Hazards Table 5-3 Comparison of Identified Marshall County Hazards to State Plan Table Federal Disaster Declarations Affecting Marshall County Table 5-5 Comparison of F-Scale to EF-Scale iv

11 Table 5-6 Annual Summary of Tornado Events, Table 5-7 Annual Summary of Severe Storm Events, Table 5-8 Annual Summary of Flood Events, Table 5-9 Winter Weather Observations Table 5-10 Winter Storm Damages Table 5-11 Extreme Cold Events and Damages Table 5-12 Drought and Damages Table 5-13 Extreme Heat and Damages Table 5-14 Modified Mercalli Intensity Scale Table 5-15 Historical Earthquakes, Table Population Distribution by Jurisdiction Table County Growth Projection Table 5-18 Annual Growth Rates by Jurisdiction Table Growth Projections and Multipliers Table Population Distribution by Jurisdiction Table 5-21 Hazard Exposure Rates by Jurisdiction Table 5-22 HAZUS-MH Population and Building Value Data Table 5-23 HAZUS-MH Building Inventory by Occupancy Table 5-24 HAZUS-MH Building Inventory by Construction Type Table 5-25 Building Exposure by Occupancy Table 5-26 Building Values by Jurisdiction Table 5-27 Building Count by Occupancy and Jurisdiction Table 5-28 Building Exposure by Jurisdiction and Hazard Table 5-29 HAZUS-MH Essential Facilities Data Table 5-30 HAZUS-MH High Potential Loss Facilities Data Table 5-31 HAZUS-MH Transportation Systems Lifeline Inventory Table 5-32 HAZUS-MH Utilities Systems Lifeline Inventory Table 5-33 Marshall County Government Facilities Table 5-34 Marshall County Public Safety Facilities Table 5-35 Marshall County Schools Table 5-36 Marshall County Hospitals and Elderly Care Facilities Table 5-37 Marshall County Community Shelters Table 5-38 Marshall County Communication Facilities Table 5-39 Marshall County Warning Sirens Table 5-40 Marshall County Utilities Table 5-41 Marshall County Dams/Levees Table 5-42 Population Distribution by Jurisdiction, 2012 and Table 5-43 HAZUS-MH Flood Module Quick Assessment Results Table 5-44 Total Economic Losses by Jurisdiction Table 5-45 Expected Building Damage by Occupancy Table 5-46 Expected Building Damage by Building Type Table 5-47 Building Related Economic Loss Estimate ($ Millions) Table 5-48 HAZUS-MH Hurricane Scenarios Table 5-49 Marshall County Historic Growth Trends Table 5-50 Population and Projections Table 5-51 Population Projections by Jurisdiction Table 5-52 NFIP Policies and Repetitive Loss Claims Table 5-53 Summary of Hazards and Community Impacts Table 5-54 Jurisdictional Risk Variations Table 6-1 Summary of Plan Updates Table 6-2 NFIP Community Status, Marshall County Jurisdictions v

12 Table Marshall County Multi-Jurisdictional Mitigation Action Program Table 7-1 Summary of Plan Updates List of Charts Chart 3-1 Marshall County Population by Age Chart 3-2 Educational Attainment for 25 Years Old and Older Chart 3-3 Household Income Distribution Chart 3-4 Housing Units by Value Chart 3-5 Housing Stock by Age Chart 5-1 Monthly Tornado Frequency, Mid-South Region Chart 5-2 Marshall County Tornado Threat Sectors Chart 5-3 Annual Frequency of Tornado Intensity, Marshall County Chart 5-4 Projected Population Changes List of Figures Figure 5-1 Photo of 1908 Tornado Figure 5-2 Guntersville Dam Plan Details Figure 5-3 Photo of Guntersville Dam Figure 5-4 Nickajack Dam Plan Details vi

Appendices. City of Santa Cruz Local Hazard Mitigation Plan Update Adopted by City Council xxxxx xx, 20xx

Appendices. City of Santa Cruz Local Hazard Mitigation Plan Update Adopted by City Council xxxxx xx, 20xx Appendices City of Santa Cruz Local Hazard Mitigation Plan Update 2012 Adopted by City Council xxxxx xx, 20xx LIST OF APPENDICES A B C D E F G H I J K L M N Hazards That Are Not a Significant Risk Acronyms