WEST CENTRAL TEXAS COUNCIL OF GOVERNMENTS REGIONAL HAZARD MITIGATION PLAN UPDATE Planning Participants for Planning Area 1: Taylor County, City of Abilene, Town of Buffalo Gap, Town of Lawn, Town of Merkel, Town of Trent, City of Tuscola, City of Tye, and WCTCOG Maintaining a Safe, Secure and Sustainable Community DRAFT: J ULY 2018 For more information, visit our website at: www.wctcog.org Written comments should be forwarded to: H2O Partners, Inc. P. O. Box 160130 Austin, Texas 78716 [email protected] www.h2opartnersusa.com TABLE OF CONTENTS SECTION 1 – INTRODUCTION Background ........................................................................................................................................................ 1‐1 Scope .................................................................................................................................................................. 1‐3 Purpose .............................................................................................................................................................. 1‐4 Authority ............................................................................................................................................................ 1‐4 Summary of Sections ......................................................................................................................................... 1‐5 SECTION 2 – PLANNING PROCESS Plan Preparation and Development .................................................................................................................. 2‐1 Review of Existing Plans, Plan Integration, and Updates ................................................................................... 2‐9 Timeline for Implementing Mitigation Actions ................................................................................................ 2‐12 Stakeholder and Public Involvement ............................................................................................................... 2‐13 SECTION 3 – PLANNING AREA PROFILE Overview ............................................................................................................................................................ 3‐1 Population and Demographics ........................................................................................................................... 3‐5 Future Development ......................................................................................................................................... 3‐7 Economic Impact ............................................................................................................................................... 3‐7 Existing and Future Land Use and Development Trends ................................................................................... 3‐8 SECTION 4 – RISK OVERVIEW Hazard Identification ......................................................................................................................................... 4‐1 Natural Hazards and Climate Change ............................................................................................................... 4‐4 Overview of Hazard Analysis ............................................................................................................................. 4‐4 SECTION 5 – THUNDERSTORM WIND Hazard Description ............................................................................................................................................ 5‐1 Location ............................................................................................................................................................. 5‐1 Extent ................................................................................................................................................................ 5‐2 Historical Occurrences ...................................................................................................................................... 5‐3 Probability of Future Events ............................................................................................................................. 5‐8 WCTCOG | Regional Hazard Mitigation Action Plan Update | Page 2 TABLE OF CONTENTS Vulnerability and Impact ................................................................................................................................... 5‐8 SECTION 6 – EXTREME HEAT Hazard Description ............................................................................................................................................ 6‐1 Location ............................................................................................................................................................. 6‐1 Extent ................................................................................................................................................................ 6‐1 Historical Occurrences ...................................................................................................................................... 6‐4 Probability of Future Events ............................................................................................................................. 6‐5 Vulnerability and Impact ................................................................................................................................... 6‐6 SECTION 7 – HAIL Hazard Description ............................................................................................................................................ 7‐1 Location ............................................................................................................................................................. 7‐1 Extent ................................................................................................................................................................ 7‐1 Historical Occurrences ...................................................................................................................................... 7‐2 Probability of Future Events ............................................................................................................................. 7‐5 Vulnerability and Impact ................................................................................................................................... 7‐5 SECTION 8 – DROUGHT Hazard Description ............................................................................................................................................ 8‐1 Location ............................................................................................................................................................. 8‐2 Extent ................................................................................................................................................................ 8‐4 Historical Occurrences ...................................................................................................................................... 8‐6 Probability of Future Events ............................................................................................................................. 8‐9 Vulnerability and Impact ................................................................................................................................... 8‐9 SECTION 9 – LIGHTNING Hazard Description ............................................................................................................................................ 9‐1 Location ............................................................................................................................................................. 9‐1 Extent ................................................................................................................................................................ 9‐1 Historical Occurrences ...................................................................................................................................... 9‐3 WCTCOG | Regional Hazard Mitigation Action Plan Update | Page 3 TABLE OF CONTENTS Probability of Future Events ............................................................................................................................. 9‐4 Vulnerability and Impact ................................................................................................................................... 9‐4 SECTION 10 – WILDFIRE Hazard Description .......................................................................................................................................... 10‐1 Location ........................................................................................................................................................... 10‐1 Extent ............................................................................................................................................................ 10‐10 Historical Occurrences .................................................................................................................................. 10‐21 Probability of Future Events ......................................................................................................................... 10‐22 Vulnerability and Impact ............................................................................................................................... 10‐23 SECTION