Minnesota State All-Hazard Mitigation Plan
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MINNESOTA STATE ALL-HAZARD MITIGATION PLAN Approved April 21, 2008 Minnesota Division of Homeland Security and Emergency Management MINNESOTA ALL-HAZARD MITIGATION PLAN Table of Contents INTRODUCTION ........................................................................ 12 Plan Organization ................................................................... 14 Acknowledgements................................................................. 17 SECTION ONE: STATE PROFILE................................................... 19 Geographic Characteristics ...................................................... 19 Climatic Characteristics ........................................................... 21 Demographic Characteristics.................................................... 22 Mitigation Success Stories in Minnesota ..................................... 27 SECTION TWO: HAZARD MITIGATION PROGRAMS ......................... 36 SECTION THREE: PLANNING PROCESS......................................... 54 Integration and Coordination ................................................... 54 2008 Plan Review and Update .................................................. 54 Coordinating Planning Agencies ................................................ 59 SECTION FOUR: HAZARD ANALYSIS ............................................ 64 Natural Hazards ..................................................................... 66 Flooding................................................................................ 67 Tornados............................................................................... 85 Hail ...................................................................................... 93 Coastal Erosion ...................................................................... 99 Severe Winter Storms........................................................... 102 Blizzards ............................................................................. 104 Ice and Ice Storms ............................................................... 112 Landslide ............................................................................ 120 Sinkholes & Land Subsidence ................................................. 123 Earthquake.......................................................................... 126 Drought .............................................................................. 134 Wildfire............................................................................... 140 Extreme Temperatures (Heat)................................................ 150 Lightning ............................................................................ 156 Windstorms ......................................................................... 160 Human Caused Hazards ........................................................ 167 Terrorism ............................................................................ 167 Infectious Disease Outbreak .................................................. 169 Fires (Structures and Vehicles)............................................... 173 Infrastructure ...................................................................... 175 Nuclear Generating Plant....................................................... 182 SECTION FIVE: RISK ASSESSMENT ........................................... 204 Methodology for Identifying Hazards ....................................... 204 Vulnerability Assessment by Jurisdiction .................................. 215 Vulnerability Assessment for State Facilities ............................. 260 Estimating Potential Losses by Jurisdiction ............................... 265 Local Risk Assessments......................................................... 286 Estimating Potential Losses to Critical Facilities......................... 299 MINNESOTA ALL-HAZARD MITIGATION PLAN Table of Contents SECTION SIX: MITIGATION STRATEGY ...................................... 306 Hazard Mitigation Goal Setting Process.................................... 306 Inventory of Programs, Policies and Funding Resources ............. 309 Mitigation Actions................................................................. 326 State Capability Assessment .................................................. 400 Evaluation of Existing Programs, Policies and Projects ............... 423 SECTION SEVEN: COORDINATING LOCAL MITIGATION PLANNING . 432 Local Plan Integration ........................................................... 432 Local Capability Assessment .................................................. 433 Review of 2005 Recommendations.......................................... 449 SECTION EIGHT: PLAN MAINTENANCE PROCESS ......................... 466 Plan Adoption ...................................................................... 466 Monitoring, Evaluating, and Updating the Plan.......................... 466 Tables Table 1 Grant Program Comparison: Mitigation Division Grant Programs ........................................................................... 37 Table 2 Major Flood Events in Minnesota (1950 – 2007) ................. 74 Table 3 Minnesota Counties with Q3 Data .................................... 81 Table 4 Fujita Tornado Scale....................................................... 85 Table 5 Enhanced F Scale for Tornado Damage ............................. 86 Table 6 Historic Tornado Occurrences in Minnesota ....................... 88 Table 7 Tornado Totals and Averages by Month (1950 - 2004) ....... 89 Table 8 Top 20 States for Number of Tornadoes, Fatalities, and Damages, 1950 to 1994 ....................................................... 91 Table 9 Estimating Hail Size ....................................................... 94 Table 10 Hail Indemnity Figures for 2000-2006 ............................ 96 Table 11 Lake Superior Mean, Maximum, and Minimum Lake Levels, 1918-2006 ......................................................................... 99 Table 12 History of Blizzards in Minnesota (1940-2007)................ 104 Table 13 Notable Ice and Sleet Storms in Minnesota (1993-March 2007) .............................................................................. 112 Table 15 Earthquake PGA, Magnitude and Intensity Comparison ... 127 Table 16 Earthquake History of Minnesota ................................. 130 Table 17 Minnesota Drought History .......................................... 135 Table 18 Single Fires of Record from 1976-2007.......................... 143 Table 19 Heat Index and Disorders............................................ 151 Table 20 Extreme Heat History in MN 1976-2007......................... 152 Table 21 Lightning Injuries Reported in Minnesota 1993 - 2007 ..... 158 Table 22 Lightning Deaths Reported in Minnesota ........................ 159 Table 23 Effect s of Wind Speed ................................................ 160 Table 24 Windstorms in Minnesota (1975-2007).......................... 161 Table 25 Civilian Deaths, Civilian Injuries, and Dollar Loss Due to Fire (2001–2006) .................................................................... 174 MINNESOTA ALL-HAZARD MITIGATION PLAN Table of Contents Table 26 Notable Dam Incidents in Minnesota [1980 - 2007]......... 177 Table 27 Minnesota Hazardous Materials Incidents by Mode for 2006 ...................................................................................... 186 Table 28 Minnesota Traffic Fatalities, 1961 – 2006....................... 189 Table 29 Motor Vehicle/Train Crash Summary, 1997 – 2006......... 194 Table 30 Clean Water Legacy Funding....................................... 200 Table 31 Initial Claims Related to Water Treatment Submitted to HSEM for Flood Damage in Southeast Minnesota, 2007 (DR-1717) .... 201 Table 32 Community Water Supply Systems in Minnesota............. 202 Table 33 Storm Drainage Failures in Minnesota ........................... 202 Table 34 Probability Ranking and Criteria for Hazard Identification and Disposition ....................................................................... 205 Table 35 Mitigation Potential Ranking and Criteria for Hazard Identification and Disposition .............................................. 205 Table 36 Hazard Identification and Disposition ............................ 207 Table 37 Agricultural Losses from Water-Related Insurance Claims from 1994-2006 ................................................................ 218 Table 38 1989-2006 Disaster Payments for Public Assistance for Flooding* ......................................................................... 221 Table 39 Summary of Public Assistance Payments to Counties....... 231 Table 40 Tornado Damage from 1950-2007 ................................ 233 Table 41 Tornado Damages including Property, Injuries and Deaths from 1950-2007 ................................................................ 237 Table 42 Tornado related insurance claims 1994-2006 ................. 242 Table 43 Windstorm Damages from 1950-2007........................... 243 Table 44: Windstorm Damages to Property and Life ..................... 246 Table 45 Wind/Excess Wind Indemnity (Top Ten Counties) 1994-2006 ...................................................................................... 250 Table 46: All Fire Indemnity Claims 1994-2006 ........................... 254 Table 47 Wildfires from 1997-2007............................................ 256 Table 48 State Owned Facilities by County Replacement Value over $10 Million.......................................................................