2021 Community Wildfire Protection Plan (CWPP)
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CITY OF SANTA BARBARA February 2021 Printed on 30% post-consumer recycled material. Table of Contents SECTIONS Acronyms and Abbreviations ..........................................................................................................................................................v Executive Summary ....................................................................................................................................................................... vii 1 Introduction ............................................................................................................................................................................. 1 1.1 Purpose and Need ........................................................................................................................................................... 1 1.2 Development Team ......................................................................................................................................................... 2 1.3 Community Involvement ................................................................................................................................................. 3 1.3.1 Stakeholders ................................................................................................................................................... 3 1.3.2 Public Outreach and Engagement Plan ........................................................................................................ 4 1.3.3 Public Outreach Meetings .............................................................................................................................. 5 1.4 Funding/Grant Management ......................................................................................................................................... 5 1.5 Signatories ........................................................................................................................................................................ 5 2 Plan Area Description ............................................................................................................................................................. 7 2.1 Location ............................................................................................................................................................................ 7 2.2 Fire Hazard Areas ............................................................................................................................................................ 7 2.2.1 State Fire Hazard Severity Zones .................................................................................................................. 7 2.2.2 City High Fire Hazard Area .............................................................................................................................. 8 2.3 Climate ........................................................................................................................................................................... 14 2.3.1 Climate Change ............................................................................................................................................ 16 2.4 Topography .................................................................................................................................................................... 17 2.5 Vegetation and Fuels .................................................................................................................................................... 21 2.5.1 Vegetative Fire Hazard ................................................................................................................................. 21 2.5.2 Vegetation Types .......................................................................................................................................... 22 2.5.3 Wildfire Types and Potential Fire Behavior ................................................................................................ 27 2.6 Fire History and Ignitions.............................................................................................................................................. 28 2.7 Development Patterns ................................................................................................................................................. 30 2.8 Existing Hazard Abatement/Fuels Treatment ............................................................................................................ 37 2.8.1 Defensible Space and Vegetation Management ...................................................................................... 37 2.8.2 City Vegetation Management Units ............................................................................................................ 37 2.8.3 Community Fuels Treatment Network ....................................................................................................... 41 2.8.4 Neighboring Jurisdictions Vegetation Management Areas ...................................................................... 41 2.8.5 City Wildland Fire Suppression Assessment District ................................................................................ 41 2.9 Evacuation ..................................................................................................................................................................... 42 2.10 Water Supply .......................................................................................................................................................... 45 2.11 Communications ................................................................................................................................................... 46 Page i 3 Planning and Regulatory Environment ................................................................................................................................... 51 3.1 Fire Protection ............................................................................................................................................................... 51 3.1.1 Fire Protection Philosophy ........................................................................................................................... 51 3.1.2 Fire Protection Partnerships ....................................................................................................................... 52 3.2 City of Santa Barbara Codes and Standards ............................................................................................................. 52 3.2.1 City Fire Code ................................................................................................................................................ 52 3.2.2 City Building Code ........................................................................................................................................ 53 3.2.3 City of Santa Barbara General Plan ............................................................................................................ 53 3.2.4 City of Santa Barbara Local Coastal Program ........................................................................................... 53 3.2.5 Local Hazard Mitigation Plan ...................................................................................................................... 54 4 Wildfire Hazard Assessment ............................................................................................................................................... 55 4.1 Assessment Methods ................................................................................................................................................... 55 4.1.1 Field Evaluations .......................................................................................................................................... 55 4.1.2 GIS Analysis .................................................................................................................................................. 55 4.1.3 Fire Behavior Modeling ................................................................................................................................ 61 4.2 Hazard Assessment Results ........................................................................................................................................ 62 4.2.1 Modifications to High Fire Hazard Area ..................................................................................................... 62 4.2.2 Modifications to Vegetation Management Units ...................................................................................... 66 5 Values at Risk ....................................................................................................................................................................... 75 5.1 At-Risk Community ........................................................................................................................................................ 75 5.2 Values at Risk ................................................................................................................................................................ 75 5.2.1 Life Safety ..................................................................................................................................................... 76 5.2.2 Homes, Structures, and Neighborhoods ..................................................................................................