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May 2025Archived

 

Field picture submitted by Elizabeth Fichtner

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UC ANR Fire Network: Page

Eaves

The eave overhang protects your home from rain and sun. Depending on design, it also can allow embers to enter through under-eave attic vents. With open-eave construction, gaps between the rafter tails and the blocking can be vulnerable to ember entry.
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UC ANR Fire Network: Page

Deck

Decks can be ignited by wildfires via flame contact (usually from below) or ember attack (usually from above). Burning decks will expose the house to long-term flame impingement, which could ignite siding and eaves, and/or shatter windows.
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UC ANR Fire Network: Page

Siding

There are two main concerns regarding the fire safety of exterior siding: penetration of flames through walls and stud cavities, and spreading of flames into the attic through the soffit/eave area.
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UC ANR Fire Network: Page

Windows

Wildfires can spread from the outside to the inside of buildings when windows break. Glass, the most vulnerable part of the window, can break when exposed to extreme heat, either radiant or from flame contact, or when wind-blown debris impacts the window.
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UC ANR Fire Network: Page

Gutters

The accumulation of debris in gutters poses one of the greatest fire hazards for a building. In the event that embers ignite debris, such as leaves or pine needles, the resulting fire will directly expose the edge of the roof to flames.
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UC ANR Fire Network: Page

Fence

Fencing can increase or decrease a building's vulnerability to wildfires depending on its material and location. Combustible fences may ignite from direct flame contact or from embers depending on their state and the nearby vegetation.
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Prepare for Wildfire Smoke

Smoke exposure from wildfires is an increasingly common public health hazard to communities throughout California. Knowing where to find accurate information and being prepared to act when smoke is in the air can help you protect yourself and your family.
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South Coast

The South Coast bioregion contains the eastwest-running Transverse Range and the northsouth-oriented Peninsular Range. Except for the alpine zone, both ranges have a full complement of montane zones. Elevations extend from sea level to over 3,500 m (11,400 ft).
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Southeastern Deserts

The southeastern portion of the state is extremely arid. Except for isolated desert mountains, rainfall is 25 cm (10 in). Portions of the Mojave and Sonoran warm deserts, and the southwestern tongue of the Great Basin cold desert comprise the Southeastern Deserts bioregion.
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