Multi- Hazard Mitigation Plan
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City of Claremore, Oklahoma Multi- Hazard Mitigation Plan August 17, 2007 R.D. Flanagan & Associates Planning Consultants 724 Ramm Road Phone: 918-341 -2066 Claremore, OK 74017 Fax: 918-341-6162 Mr. Bill Penka, State Hazard Mitigation Officer August 17,2007 Oklahoma Department of Emergency Management P.O. Box 53365 Oklahoma City, OK 73 152 RE: City of Claremore Multi-Hazard Mitigation Plan Dear Mr. Penka: We are pleased to submit the City of Claremore Multi-Jurisdictional Multi-Hazard Mitigation Plan-2007, as fulfillment of the requirements of the Hazard Mitigation Grant (FEMA- 1401 -DR-OK). This Multi-Hazard Mitigation Plan, prepared in accordance with state and federal guidance, addresses floodplain management, dam failures, tornadoes, high winds, hailstorms, lightning, winter storms, extreme heat, drought, expansive soils, urban and wild fires, earthquakes, hazardous materials events, and transportation hazards. We look forward to implementing this plan to further protect the lives and properties of our citizens fiom natural and man-made hazards. If we can answer any questions or be of further assistance, please do not hesitate to contact us. Powell City Manager City of Claremore Table of Contents Acknowledgements...................................................................................................... xi Executive Summary ................................................................................................... xiii Background.................................................................................................................... xiii Purpose .......................................................................................................................... xiv Hazard Mitigation Citizens Advisory Committee......................................................... xiv The Planning Process .................................................................................................... xiv Plan Summary .................................................................................................................xv Highest Priority Mitigation Measures ........................................................................... xvi Mitigation Action Plan ................................................................................................. xvii Chapter 1: Introduction................................................................................................. 1 1.1 About the Plan ...................................................................................................................1 1.1.1 Purpose ..................................................................................................................1 1.1.2 Scope .....................................................................................................................2 1.1.3 Authority................................................................................................................2 1.1.4 Funding..................................................................................................................2 1.1.5 Goals......................................................................................................................3 1.1.6 Definition of Terms ...............................................................................................5 1.1.7 Point of Contact.....................................................................................................5 1.2 Community Description....................................................................................................6 1.2.1 Geography .............................................................................................................6 1.2.2 Climate ..................................................................................................................9 1.2.3 History ...................................................................................................................9 1.2.4 Population and Demographics.............................................................................10 1.2.5 Economy..............................................................................................................14 1.2.6 Industry................................................................................................................15 1.2.7 Local Utilities—Lifelines....................................................................................15 1.2.8 Future Development ............................................................................................16 1.3 Regulatory Framework....................................................................................................17 1.3.1 Comprehensive Planning and Zoning .................................................................17 1.3.2 Floodplain and Stormwater Management ...........................................................17 1.3.3 Building Codes....................................................................................................17 1.3.4 Fire Insurance......................................................................................................18 1.3.5 Fire Department Resources .................................................................................18 1.4 Existing Hazard Mitigation Programs.............................................................................20 1.4.1 Community Rating System (CRS) ......................................................................20 City of Claremore i Multi-Hazard Mitigation Plan 1.4.2 Flood and Stormwater Management Plans..........................................................20 1.4.3 Capital Improvements Plans................................................................................21 1.4.4 Emergency Operations Plan................................................................................21 1.4.5 Critical Facilities.................................................................................................22 Chapter 2: The Planning Process .............................................................................. 27 2.1 Step One: Organize to Prepare the Plan ..........................................................................27 2.2 Step Two: Involve the Public ..........................................................................................31 2.3 Step Three: Coordinate with Other Agencies and Organizations ...................................31 2.4 Step Four: Assess the Hazard..........................................................................................34 2.5 Step Five: Assess the Problem ........................................................................................35 2.6 Step Six: Set Goals ..........................................................................................................36 2.7 Step Seven: Review Possible Activities..........................................................................37 2.8 Step Eight: Draft an Action Plan.....................................................................................38 2.9 Step Nine: Adopt the Plan ...............................................................................................39 2.10 Step Ten: Implement, Evaluate, and Revise....................................................................39 Chapter 3: Natural and Man-Made Hazards .............................................................. 40 Introduction............................................................................................................................40 Hazards Summary ...........................................................................................................41 Annual Average Damages...............................................................................................44 Hazards Analysis: Probability and Vulnerability............................................................45 Secondary Events ............................................................................................................46 3.1 Floods .............................................................................................................................47 3.1.1 Hazard Profile......................................................................................................47 3.1.2 Historical Events .................................................................................................50 3.1.3 Current Stormwater Program ..............................................................................52 3.1.4 Vulnerable Population.........................................................................................56 3.1.5 Conclusion...........................................................................................................57 3.1.6 Sources ................................................................................................................57 3.2 Tornadoes ........................................................................................................................58 3.2.1 Hazard Profile......................................................................................................58 3.2.2 Historical Events .................................................................................................59 3.2.3 Vulnerable Population.........................................................................................66 3.2.4 Tornado Scenario.................................................................................................68