Clinton County, Missouri Natural Hazard Mitigation Plan Section I: County Profile Section II: Identified Hazards Section III: Capability and Vulnerability Assessment Section IV: Mitigation Strategy June 2005 Prepared by: Mo-Kan Regional Council 1302 Faraon Street Saint Joseph, Missouri 64501 (816) 233-3144 Table of Contents Introduction......................................................................................................................................i Section 1 Community Profiles................................................................................................................ 1-1 County Profile ..................................................................................................................1-1 Geography, Geology, and Climate .................................................................................. 1-3 Form of Government ....................................................................................................... 1-3 Community Partnerships ................................................................................................. 1-3 Significant Cultural/Social Issues .................................................................................... 1-3 Public Awareness ............................................................................................................ 1-4 Media Relations............................................................................................................... 1-5 Demographic Information ................................................................................................ 1-5 Economy, Employment, and Industry.............................................................................. 1-6 Primary Industries............................................................................................................ 1-7 Access to Employment.................................................................................................... 1-7 Codes and Regulations ................................................................................................... 1-7 Existing Community Plans............................................................................................... 1-7 Land Use ......................................................................................................................... 1-8 Development Trends ....................................................................................................... 1-9 Floodplain Management.................................................................................................. 1-9 Wetlands Issues .............................................................................................................. 1-9 Environmental Concerns ................................................................................................. 1-9 Endangered Species and Archeological Sites .............................................................. 1-10 Identified Assets................................................................................................................... 1-11 Inventory of Infrastructure.............................................................................................. 1-11 Roadways...................................................................................................................... 1-11 Railroads........................................................................................................................ 1-11 Airports .......................................................................................................................... 1-11 Public Transportation..................................................................................................... 1-11 Telecommunications...................................................................................................... 1-12 Sewer and Water Facilities............................................................................................ 1-12 Electricity, Natural Gas, and Solid Waste Disposal....................................................... 1-13 Law Enforcement........................................................................................................... 1-13 Emergency Medical Service.......................................................................................... 1-13 Fire Protection ............................................................................................................... 1-13 Emergency Services (911) ............................................................................................ 1-13 Underground Infrastructure ........................................................................................... 1-14 Inventory of Critical Structures............................................................................................. 1-14 Medical Facilities ........................................................................................................... 1-15 Schools, Long-term Facilities, and Day Care Centers .................................................. 1-15 Government-owned Structures...................................................................................... 1-16 Inventory of Large Employment, Commercial, and Recreational Centers........................... 1-17 Large Industrial/Commercial Centers............................................................................ 1-17 Large Recreational Centers........................................................................................... 1-17 Inventory of Housing Structures .................................................................................... 1-18 Total Inventory of Strucutres ......................................................................................... 1-18 Community Profiles.............................................................................................................. 1-19 Cameron........................................................................................................................ 1-19 Gower ............................................................................................................................ 1-19 Grayson ......................................................................................................................... 1-20 Holt ................................................................................................................................ 1-20 Lathrop........................................................................................................................... 1-20 Plattsburg....................................................................................................................... 1-21 Trimble........................................................................................................................... 1-21 Turney............................................................................................................................ 1-22 All Cities......................................................................................................................... 1-22 Clinton County ............................................................................................................... 1-23 Section 2 Risk Assessment.................................................................................................................... 2-1 Community-wide Hazard Profile and List of Hazards Identified...................................... 2-1 Natural Hazard Identification / Elimination Process ........................................................ 2-1 Severity Scales................................................................................................................ 2-2 Identified Natural Hazards ..................................................................................................... 2-3 Severe Thunderstorms .................................................................................................... 2-3 Tornadoes........................................................................................................................ 2-8 Severe Winter Weather ................................................................................................. 2-13 Drought.......................................................................................................................... 2-17 Heat Wave..................................................................................................................... 2-21 Urban and Wildfire......................................................................................................... 2-25 Flood.............................................................................................................................. 2-27 Earthquake .................................................................................................................... 2-31 Dam Failure ................................................................................................................... 2-36 Multi-jurisdictional Risk Assessment in the County and Municipalities................................ 2-38 Hazard Profile Worksheets .................................................................................................. 2-39 Vulnerability Assessment Worksheets................................................................................. 2-50 Severe Thunderstorm...................................................................................................