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Wildfire: Are you prepared?

06/24/2003

Susan Wyatt/KING5.com

More than 7 million acres of public land burned in thousands of wildland fires during the summer of 2000. Extreme weather conditions, combined with overgrown and dry fuels strained federal firefighting resources.

By the end of the unusually long and widespread fire season, nearly 30,000 firefighters and support personnel helped manage or suppress fires in 16 states, at a cost of more than $2 billion. Aside from the 191,000-acre fire near the Hanford nuclear reservation, wildfires largely missed Washington State.

Resource Links
National Interagency Fire Center
Current wildland fire information
U.S. Forest Service
National Weather Service fire weather
National Smokejumper Association
The winter just ending was the second driest in the past 50 years - only 1977 was drier. Meteorologists with the National Interagency Fire Center say given the effect of the La Nina weather pattern and dry fuel conditions that have carried over for more than a year, the potential for a long and widespread wildland fire season is very real.

A critical factor in estimating fire activity appears to be rainfall during the month of June and the subsequent timing of rainfall after that. Nine of the 10 worst fire seasons in the past 30 years occurred after a dry June. Periodic scattered wet thunderstorms every 12-14 days during the summer seem to have the effect of keeping a lid on the season.

Do you live in the wildland-urban interface?

Today, more and more people are choosing to live in the so-called wildland-urban interface, where homes are surrounded by native vegetation and woodland. Here, they enjoy the beauty of the great outdoors, yet are subject to the very real danger of wildfire.

The State Department of Natural resources asks that home-owners take steps to minimize the risks of wildfires and to protect their homes and businesses.

“Fire safety at work and at home goes a long way toward reducing the risk of expensive wildfires that damage our forests, fish and wildlife habitat, destroy homes, limit recreational opportunities and threaten public safety,” said Commissioner of Public Lands, Doug Sutherland.

Two factors have emerged as the primary determinants of a home's ability to survive wildfire. These are the home's roofing material and the quality of the "defensible space" surrounding it.

The No. 1 cause of home loss is untreated wood-shake roofs, which can catch windblown sparks. You can’t always depend on roof sprinklers to protect your flammable roof from burning. Not only is water pressure low during a fire, but the electricity needed to operate pumps often fails. Use fire-resistant materials, not wood or shake shingles, to roof homes in or near forests and grasslands.

Defensible space is an area around a structure where fuels and vegetation are treated, cleared or reduced to slow the spread of wildfire towards the structure.

Defensible space works

During the 1993 raging Malibu fires, a number of homes were saved as a result of the owners' careful pruning and landscaping techniques that protected their homes. In a fire situation, the dead trees and shrubs surrounding your home act as fuel for fire. Removing flammable vegetation reduces the threat of fire. Follow these basic rules to create defensible space that works:
  • Rake leaves, dead limbs and twigs. Clear all flammable vegetation.
  • Remove leaves and rubbish from under structures and dispose of them properly.
  • Thin a 15-foot space between tree crowns, and remove limbs within 15 feet of the ground.
  • Remove dead tree branches that extend over the roof.
  • Prune tree branches and shrubs within 15 feet of a stovepipe or chimney outlet.
  • Mow grass regularly.
  • Clear a 10-foot area around propane tanks and the barbecue area. Place a screen over the grill and use non-flammable material with mesh no coarser than one-quarter inch.
  • Store gasoline, oily rags and other flammable materials in approved safety cans. Place cans in a safe location.
  • Stack firewood at least 100 feet away and uphill from your home. Clear combustible material within 20 feet.
  • Remove vines from the walls of your home.
Create a fire-safe landcape
  • Create a defensible space perimeter by thinning trees and brush within 30 feet around your home.
  • Beyond 30 feet, remove dead wood, debris and low tree branches.
  • Eliminate small trees and plants growing under trees. They allow ground fires to jump into tree crowns.
  • Space trees 30 feet apart and prune to a height of 8 to 10 feet.
  • Place shrubs at least 20 feet from any structures and prune regularly.
  • Plant the most drought-tolerant vegetation within three feet of your home and adjacent to structures to prevent ignition.
  • Provide at least a 10 to 15 foot separation between islands of shrubs and plant groups to effectively break-up continuity of vegetation.
  • Maintain a well-pruned and watered landscape to serve as a green belt and protection against fire.
Choose fire-resistant materials
  • Check your local nursery or county extension service for advice on fire resistant plants that are suited for your environment.
  • Use rock, mulch, flower beds and gardens as ground cover for bare spaces and as effective firebreaks.
  • There are no "fire-proof" plants. Select high moisture plants that grow close to the ground and have a low sap or resin content. Fire-resistant shrubs include hedging roses, bush honeysuckles, currant, cotoneaster, sumac and shrub apples.
The following plants are particularly flammable and should be avoided: California buckwheat, cedar, deergrass, Douglas fir, fountain grass, greasewood, juniper, manzanita, pine, rosemary.

When wildfire threatens
  • Stay tuned to local news for reports and evacuation information. Follow instructions of officials.
  • Confine pets to one room. Make plans to care for your pets in case you must evacuate.
  • Back your car into the garage or park it in an open space facing the direction of escape. Shut doors and roll up windows. Leave the key in the ignition. Close garage windows and doors, but leave them unlocked. Disconnect automatic garage door openers.
  • Arrange temporary housing at a friend or relative's home outside the threatened area.
If asked to evacuate, do so immediately
  • Wear protective clothing - sturdy shoes, cotton or woolen clothing, long pants, a long-sleeved shirt, gloves, and a handkerchief to protect your face.
  • Lock your home.
  • Tell someone when you left and where you are going.
  • Choose a route away from fire hazards. Watch for changes in the speed and direction of fire and smoke.
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