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2025 Hazard Mitigation Plan <br />Kittitas County, Washington <br /> <br /> <br />Table of Contents vi <br />Table 4-50. Modified Mercalli Scale vs. Richter Scale ................................................................... 110 <br />Table 4-51. ShakeAlert Earthquake Early Warning System Alerting Thresholds ............................ 113 <br />Table 4-52. Earthquake Annualized Frequency (FEMA National Risk Index) ................................. 114 <br />Table 4-53. Earthquake Past Events ............................................................................................. 115 <br />Table 4-54. Hazus Earthquake Expected Building Damage by Occupancy ................................... 118 <br />Table 4-55. Hazus Earthquake Expected Building Damage by Building Type ................................ 118 <br />Table 4-56. Hazus Earthquake Expected Damage to Essential Facilities ...................................... 119 <br />Table 4-57. Hazus Earthquake Building Related Economic Loss Estimates (Millions of Dollars) ... 119 <br />Table 4-58. Hazus Earthquake Expected Damage to Transportation Systems .............................. 120 <br />Table 4-59. Hazus Earthquake Transportation System Economic Losses (Millions of Dollars) ...... 120 <br />Table 4-60. Earthquake Expected Annual Loss (FEMA National Risk Index) ................................. 121 <br />Table 4-61. Earthquake Risk Index (FEMA National Risk Index) ................................................... 122 <br />Table 4-62. Earthquake Total Risk Score ...................................................................................... 122 <br />Table 4-63. Flood Types147F ......................................................................................................... 123 <br />Table 4-64. Kittitas County Peak Discharges ................................................................................. 127 <br />Table 4-65. NWS Flood Advisories ................................................................................................ 129 <br />Table 4-66. NWS Flash Flood Impact Based Warnings ................................................................. 129 <br />Table 4-67. NWS River Flood Severity Categories ........................................................................ 130 <br />Table 4-68. Recurrence Intervals and Probabilities of Occurrences ............................................... 130 <br />Table 4-69. Riverine Flooding Annualized Frequency (FEMA National Risk Index) ....................... 131 <br />Table 4-70. Kittitas County Repetitive Loss and Severe Repetitive Loss Properties ...................... 132 <br />Table 4-71. Kittitas County NFIP Policies ...................................................................................... 132 <br />Table 4-72. Flood Events (1997 – 2023) ........................................................................................ 133 <br />Table 4-73. 25-Year Climate Projections for Kittitas County .......................................................... 135 <br />Table 4-74. Future Climate Indicators for Kittitas County ............................................................... 136 <br />Table 4-75. Hazus 100-Year Flood Expected Building Damage by Occupancy ............................. 137 <br />Table 4-76. Hazus 100-Year Flood Expected Building Damage by Building Type ......................... 137 <br />Table 4-77. Hazus 100-Year Flood Expected Damage to Essential Facilities ................................ 137 <br />Table 4-78. Hazus 100-Year Flood Building Related Economic Loss Estimates (Millions of Dollars) <br /> ................................................................................................................................... 138 <br />Table 4-79. Hazus 500-Year Flood Expected Building Damage by Occupancy ............................. 138 <br />Table 4-80. Hazus 100-Year Flood Expected Building Damage by Building Type ......................... 139 <br />Table 4-81. Hazus 500-Year Flood Expected Damage to Essential Facilities ................................ 139 <br />Table 4-82. Hazus 500-Year Flood Building Related Economic Loss Estimates (Millions of Dollars) <br /> ................................................................................................................................... 140 <br />Table 4-83. Riverine Flooding Expected Annual Loss (FEMA National Risk Index) ....................... 140 <br />Table 4-84. Riverine Flooding Risk Index (FEMA National Risk Index) .......................................... 141 <br />Table 4-85. Flood Total Risk Score ............................................................................................... 141 <br />Table 4-86. Types of Slope Movement .......................................................................................... 142 <br />Table 4-87. USGS Landslide Advisories ........................................................................................ 145 <br />Table 4-88. Landslide Annualized Frequency (FEMA National Risk Index) ................................... 146 <br />Table 4-89. Landslide Expected Annual Loss (FEMA National Risk Index) ................................... 148 <br />Table 4-90. Landslide Risk Index (FEMA National Risk Index) ...................................................... 148 <br />Table 4-91. Landslide Total Risk Score ......................................................................................... 148 <br />Table 4-92. Stages of a Thunderstorm .......................................................................................... 149 <br />Table 4-93. Types of Thunderstorms ............................................................................................. 150 <br />Table 4-94. Hail Speed Estimates ................................................................................................. 151 <br />Table 4-95. Types of Tornadoes .................................................................................................... 151 <br />Table 4-96. Types of Strong Winds ............................................................................................... 152 <br />Table 4-97. Converting Traditional Hail Size Descriptions ............................................................. 158