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Table of Contents <br />ii Ramsey County Multijurisdictional Hazard Mitigation Plan | July 2012 <br />2.9 Government ............................................................................................................ 2-37 <br />2.10 Municipalities ......................................................................................................... 2-41 <br />Section 3 PLANNING PROCESS <br />3.1 Ramsey County Multijurisdictional Hazard Mitigation Planning Committee ......... 3-1 <br />3.1.1 Additional Partners ....................................................................................... 3-1 <br />3.2 Plan Organization ..................................................................................................... 3-2 <br />3.3 Planning Team Goals and Objectives ....................................................................... 3-2 <br />3.4 Multijurisdictional Considerations ........................................................................... 3-3 <br />3.5 Review of Existing Technical/Planning Information ............................................... 3-4 <br />3.6 Public Involvement ................................................................................................... 3-4 <br />Section 4 RISK AND VULNERABILITY ASSESSMENT <br />4.1 Updates to the Risk and Vulnerability Assessment .................................................. 4-1 <br />4.2 Risk and Vulnerability Assessment Process ............................................................. 4-2 <br />4.3 Natural Hazards ........................................................................................................ 4-5 <br />4.3.1 Atmospheric Hazards .................................................................................... 4-5 <br />4.3.1.1 Severe Winter Storms ..................................................................... 4-5 <br />4.3.1.2 Severe Thunderstorms .................................................................... 4-9 <br />4.3.1.3 Tornadoes ..................................................................................... 4-15 <br />4.3.1.4 Lightning ...................................................................................... 4-17 <br />4.3.1.5 Extreme Temperatures ................................................................. 4-19 <br />4.3.1.6 Hailstorms .................................................................................... 4-21 <br />4.3.2 Wildfires ..................................................................................................... 4-27 <br />4.3.3 Flooding ...................................................................................................... 4-30 <br />4.3.4 Drought ....................................................................................................... 4-34 <br />4.3.5 Rockslides ................................................................................................... 4-36 <br />4.3.6 Epidemics/Pandemics ................................................................................. 4-37 <br />4.4 Technological Hazards ........................................................................................... 4-39 <br />4.4.1 Dam/Levee Failure ..................................................................................... 4-39 <br />4.4.2 Terrorism .................................................................................................... 4-41 <br />4.4.3 Hazardous Materials Spills ......................................................................... 4-43 <br />4.4.4 Energy/Fuel Shortage ................................................................................. 4-46 <br />4.4.5 Power Failure .............................................................................................. 4-47 <br />4.4.6 Aircraft Accidents ....................................................................................... 4-48 <br />4.4.7 Critical Facilities and Infrastructure Loss ................................................... 4-50 <br />4.4.8 Civil Disturbance ........................................................................................ 4-64 <br />4.4.9 Invasive Species .......................................................................................... 4-65 <br />Section 5 HAZARD MITIGATION GOALS AND OBJECTIVES <br />5.1 Previous Hazard Mitigation Accomplishments ........................................................ 5-1 <br />5.2 Natural Hazard Mitigation Goals and Objectives ..................................................... 5-2 <br />5.2.1 Flooding ........................................................................................................ 5-3 <br />5.2.2 Tornadoes ..................................................................................................... 5-4 <br />5.2.3 Severe Summer Storms ................................................................................. 5-6 <br />5.2.4 Extreme Winter Storms ................................................................................ 5-7 <br />5.2.5 Wildfires ....................................................................................................... 5-8