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Table
of Contents
Chapter
1
Background
and Purposes of the Plan
1.1 About the Plan
1.2 Scope
1.3 Authority
1.4 Funding
1.5 Purposes
Chapter
2
County
Profile
2.1 Geographic Setting and History
2.2 Government
2.3 Demographics
2.4 Economy
2.5 Climate
2.6 Physical Features
2.7 Transportation
2.8 Utilities
Chapter
3
The
Planning Process
3.1 A Multi-Jurisdictional Planning Process
3.2 Hazard Mitigation Planning Committee
3.3 Public Involvement
3.4 Interagency and Intergovernmental Coordination
3.5 Participating Jurisdictions
3.6 Integration with Existing Plans
3.7 Professional Planning Guidance
Chapter
4
Risk
Assessment
4.1 The Risk Assessment Process
4.2 Identification of Natural Hazards
4.3 Significant Natural Hazard Events
4.4 Severe Weather History
4.5 Severe Thunderstorms
4.6 Tornadoes
4.7 Floods
4.8 Land Subsidence
4.9 Winter Storms/Freezes
4.10 Droughts/Heat Waves
4.11 Wildfires
4.12 Hurricanes
4.13 Dam/Levee Failures
4.14 Earthquakes
4.15 Landslides
4.16 Vulnerability Assessment: Identification of Assets
4.17 Vulnerability Assessment: Impacts on Population, Buildings, Critical
Facilities; Estimated Losses
4.18 Vulnerability Assessment: Analysis of Development Trends
4.19 Multi-Jurisdictional Risk Assessment Table of Contents (continued)
Chapter
5
Mitigation
Strategies
5.1 Purpose of the Mitigation Strategies
5.2 Steps in Developing the Strategies
5.3 The Planning Approach
5.4 Mitigation Issues and Opportunities
5.5 Existing Natural Hazard Mitigation Activities
5.6 Vision Statement
5.7 Comprehensive Mitigation Strategies
Chapter
6
Community
Mitigation Action Programs
6.1 Purpose of the Community Mitigation Action Programs
6.2 Prioritization of Mitigation Actions
6.3 Available Mitigation Measures
6.4 Mitigation Action Programs
Chapter
7
Plan
Maintenance
7.1 The Planning Cycle
7.2 Plan Maintenance Procedures
7.3 Implementation Through Existing Programs
7.4 Continued Public Involvement
7.5 Ongoing Planning Needs
Charts
2-1 Municipal Populations, Shelby County
4-1 Annual Distribution by Intensity
4-2 Annual Distribution by Time of Day
4-3 Annual Distribution by Month
4-4 Annual Distribution by Year
Figures
5-1 Steps in the Development of the Mitigation Strategies and Action Programs
Maps
2-1 Location
2-2 Population Density, Shelby County, Alabama
2-3 Topography, Shelby County, Alabama
2-4 Hydrology, Shelby County, Alabama
2-5 Major Transportation Routes, Shelby County, Alabama
4-1 NWS Forecast Zones
4-2 Tornado Threat Probabilities
4-3 Tornado Tracks
4-4 Areas of Alabama with Active Sinkholes and Land Subsidence
4-5 Land Subsidence Areas, 1977, Shelby County
4-6 Counties Impacted by Hurricane Opal
4-7 Shelby County High Hazard Dams
4-8 Historical Alabama Earthquakes
4-9 Earthquake Risk Zones
4-10 Landslide Hazard Areas, State of Alabama
4-11 Communications
4-12 Medical Care and Emergency Response Facilities
4-13 Schools
4-14 Hazardous Material Sites
4-15 Land Use and Land Cover
4-16 Projected Growth Areas
Tables
2-1 General Demographic Characteristics, Shelby County, Alabama
2-2 General Economic Characteristics, Shelby County, Alabama
2-3 Largest Employers, Shelby County, Alabama
3-1 Hazard Mitigation Planning Committee Members
4-1 Natural Hazard Identification/Risk Assessment Exercise
4-2 Federally Declared Disasters, 1974-2002
4-3 Summary of Major Hazards Identified by the HMPC, 1950-2002
4-4 Significant Thunderstorm/High Wind Events 1965-2003
4-5 Lightning Events 1950-2003
4-6 Hail Storms 1955-2003
4-7 Tornado Events 1950-2003
4-8 Fujita Tornado Damage Scale
4-9 Recent Floods 1993-2003
4-10 Repetitive Losses, Shelby County
4-11 Winter Storms/Extreme Cold Events 1993-2003
4-12 Heat Index / Heat Disorders
4-13 Wildfires in Shelby County
4-14 Hurricane Rating System
4-15 Hurricane Events 1994-2003
4-16 Most Significant Hurricane 1995-2003
4-17 High Hazard Dams in Shelby County
4-18 Earthquakes, Shelby County
4-19 Total County Building Inventory
4-20 Value of Buildings in County
4-21 Population Vulnerable to Hazards
4-22 Number of Buildings Exposed to Hazards and Types
4-23 Value of Buildings Exposed to Hazards
4-24 Annual Property Damage Estimates
4-25 Historical Population Growth Trends 1990-2000
4-26 Projected Population Growth Trends, 1980-2025
4-27 Multi-Jurisdictional Risk Assessment
5-1 National Flood Insurance Program (NFIP) Participants
5-2 Planning and Regulatory Tools by Jurisdiction
6-1 Mitigation Measures
6-2 Shelby County Mitigation Action Program
6-3 Alabaster Mitigation Action Program
6-4 Calera Mitigation Action Program
6-5 Chelsea Mitigation Action Program
6-6 Columbiana Mitigation Action Program
6-7 Harpersville Mitigation Action Program
6-8 Helena Mitigation Action Program
6-9 Indian Springs Village Mitigation Action Program
6-10 Montevallo Mitigation Action Program
6-11 Pelham Mitigation Action Program
6-12 Vincent Mitigation Action Program
6-13 Westover Mitigation Action Program
6-14 Wilsonville Mitigation Action Program
6-15 Wilton Mitigation Action Program
6-16 Priority Projects for FEMA Funding
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