However, we must not underestimate the risk posed by grass fires. CAL FIRE’s fire scientists and wildfire mitigation experts developed the map using a science-based and field-tested model that assigns a hazard score based on the factors that influence fire likelihood and fire behavior. People often associate shrubs and trees with the potential for huge fires and danger. Those safety measures include more frequent inspections of power lines, clearing more vegetation, and putting a higher priority on fixing fire hazards when they are identified. The map of these zones identify the likelihood an area will experience wildfire. The new version of the map was updated for the first time since 2007, with many areas being bumped up to a very. Forest Service- California Department of Forestry and Fire Protection’s (CAL FIRE) joint map of tree mortality HHZs, form the HFTD Map where stricter fire-safety regulations apply. At the beginning of 2023, CAL FIRE released the new Fire Hazard Severity Zone Map. In areas where there is a particularly high risk of power lines igniting fires, and those fires spreading rapidly, the CPUC says it enforces higher fire safety regulations. The adopted CPUC Fire-Threat Map, together with the map of Tier 1 High Hazard Zones (HHZs) in the U.S. PG&E lines downed by wind have been the cause of several devastating fires since then, including the Kincade Fire in Sonoma County and the Camp Fire that devastated Paradise in Butte County.ĪLSO: California state parks get unexpected funds to deal with wildfires This polygon shapefile represents the forest districts per the California Forest Practice Rules. Members of the El Cerrito and Kensington Police and Fire Departments met to plan evacuation routes and develop a combined evacuation map for both communities. Many of those fires were thought to be started by downed power lines. The agency started the process of creating a fire threat map after the 2007 Southern California wildfires, fanned by particularly strong Santa Ana winds. RELATED: How to prepare for a wildfire evacuation The orange and red areas on the map above are found to have an "elevated hazard for the ignition and rapid spread of powerline fires due to strong winds, abundant dry vegetation, and other environmental conditions," according to the CPUC website. Graphic not displaying correctly? Click here to view in a new window. Figure 2: California’s 20 Largest and Most Destructive Wildfires by Decade (Data Source: CAL FIRE, 2020) 1 CAL FIRE’s historical record, at the time this document was prepared, spans from the 1932 through November 3 rd, 2020.
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