Raging debate over burned trees could leave residents vulnerable to disastrous fires
Removing burned trees after a wildfire has been standard practice for the U.S. Forest Service for the past century, but an NBC Bay Area Investigation reveals an increasing number of scientists now blame post-fire logging for leaving communities even more vulnerable to hotter, faster fires
These maps show where prescribed burns helped curb the Caldor Fire’s rapid growth
The Caldor Fire defied expectations, climbing up mountains and crossing highways, destroying more than 1,000 structures in the process. South Lake Tahoe narrowly avoided the fire’s wrath, which fire experts say was largely thanks to fire prevention activities, including prescribed burns. The following maps show how prescribed burns and other methods of removing vegetation to reduce the risk of hotter, larger fires — known as “fuel treatments” — slowed or curbed Caldor’s growth.
What likely saved the General Sherman Tree from the KNP Complex Fire
It seemed like a miracle of sorts, but Mark Garrett, a fire information officer for the National Park Service, said there's an explanation for why these trees survived — and that's prescribed burns. More than 400 acres around the General Sherman Tree underwent a prescribed burn as recently as 2019, Garrett said. Prescribed burns, in which fires are set intentionally and monitored closely, can maintain the health of a forest and prevent overgrowth of vegetation that can intensify fires.
Anatomy of a wildfire: How the Dixie Fire becamethe largest blaze of a devastating summer
The fire’s tear through remote, rugged terrain, exceptional drought bringing moisture levels in California’s forests to historic lows, searing heat, as well as a series of unexpected obstacles, combined to fuel a monstrous blaze unlike any firefighters said they had seen before.
CalFire, timber industry must face an inconvenient truth
The latest science finds that conventional logging practices, together with a century of overzealous fire suppression, are eroding forest health and increasing the severity of wildfires. While news to some, the U.S. Forest Service has recognized this inconvenient truth for over a quarter century. Logging is also diminishing forests’ ability to help fight climate change and so-called “thinning” projects can result in more carbon emissions than the wildfires they are meant to prevent.
Remote cameras capture life returning to Oregon forests after wildfire
Bloemers said he hopes people will see the beauty in his post-wildfire photography and start enjoying burned forests in new ways.
“I hope they will see it not as a destroyed thing but a young thing full of potential,” Bloemers said. “It’s like a charcoal forest. It’s black and gray and brown in the beginning, but it’s basically a blank canvas that nature will start to paint green, and the wildlife will come back.”
Interview: Pyrogeographer Crystal Kolden on fighting California's modern megafires
Crystal Kolden is a professor of fire science at UC Merced and what's known as a pyrogeographer, studying not just how fires function as a natural process, but how we humans interact with it as well. She is also trained as a wildland firefighter.
"I often say, let's be honest, I was not a very good firefighter," Kolden said. "I am not athletically inclined at all. And that is incredibly difficult work. But what I really got interested in was trying to understand what I was seeing on the landscape and why we were fighting fires in some of the most remote places in the U.S. that I knew had adapted to fire, that had evolved with fire."
Firebrands: How to protect your home from wildfires’ windblown flaming debris
Firebrands can travel over a mile by the wind and can be a major cause of spreading fires. In the Tahoe region, for example, firefighters couldn’t just focus on the main fire line in summer 2021 – they also had to patrol for spot fires.
‘Moneyball’ analytics help fight wildfires. This year’s blazes are testing their limits.
Forest conflagrations are so extreme that the best new weapons crews have—computer models to predict how flames spread—sometimes can’t keep up.
The Labor Day fires burned towns and homes. Oregon has a plan to avoid a repeat.
Clearing that fuel is part of a new program called the Wildfire Workforce Corps that provides young people with paid job training and experience as well as college tuition credit.
The program has $11 million in funding through Oregon’s new wildfire protection plan to work in the “home ignition zone” in areas like the South Hills of Eugene, where forests and other wildlands meet houses. Collectively, these areas are called the wildland urban interface, or WUI, and they’re known to face higher fire risks.
EXPLAINER: What are some key decisions in fighting fires?
WHY DO FIRE MANAGERS LET SOME WILDFIRES BURN?
Sometimes fires fit a beneficial land management goal, like when they burn in a wilderness area or national park.
Fires are part of the natural forest cycle, and “at times that’s the right approach,” said Lane, who is in his 35th season as a firefighter, much of that spent in western Oregon. He joined Washington’s natural resources agency in 2019.
Also, wildfires sometimes burn in areas where it is unsafe to put firefighters.
Wildfires in the West are inevitable, but this strategy can help control them
Fuels treatments aren’t a panacea. Super hot fires or wind-driven spread can overwhelm even a treated area. But treatments—either mechanical thinning or prescribed fire, or ideally a combination—can help drop flame lengths and the “fireline intensity,” measures of how intensely a fire burns. In turn, that can help slow the pace of fire spread.
Why the South is decades ahead of the West in wildfire prevention
As Western states contend with increasingly catastrophic wildfires, some are looking to the Southeastern U.S., where prescribed fire is widespread thanks to policies put in place decades ago. From 1998 to 2018, 70% of all controlled burning in the country was in the Southeast.
To save Lake Tahoe, they spared no expense. The fire came over the ridge anyway.
They sent thousands of firefighters, 25 helicopters and an arsenal of more than 400 fire engines and 70 water trucks. Yet the fire still advanced.
They dropped retardant chemicals through an ash-filled sky and bulldozed trees and brush to slow the march of the flames through the steep and rugged terrain of the Sierra Nevada. Yet the fire still advanced.
The difference between direct and indirect fire line
In the wrong situation, namely fast moving and intense fires, direct attack can be both dangerous and futile. Sending firefighters out day after day to employ the wrong tactics can expose them to undo risk and waste precious time if at the end of the day no real progress has been made. Deciding when to shift from direct attack to indirect attack is one of the more critical decisions firefighters must make.
Wildfire, drought and chainsaws: California’s iconic trees are casualties in the war on fire
California’s forests are in trouble. Wildfire and drought have ravaged millions of trees. Scientists say, perhaps surprisingly, the answer is more frequent fire.
Humans are largely to blame. Researchers say climate change underpins the devastation, while a century of aggressive logging and fire suppression has left timberlands choked with younger, thirsty trees primed by drought for destructive conflagrations.
The health of these exalted landscapes has for the last century taken a backseat to human interests and militarized firefighting forces. But a tipping point has been reached. Fires have become overwhelmingly explosive.
Why top California fire expert is so worried about Caldor Fire as it approaches Tahoe
The thing that’s surprising this year is the spot fires. Almost 90% of embers that are dropping on unburned fuel have the potential to start a new fire this year because it’s so dry after two years of drought. That’s very extreme and just really enables these fires to move ahead of the fire lines.
Attacking fires by air often does no good, expert says
More than three-quarters of air attacks on wildfires are ineffective, according to internal data from the fire command in the autonomous Spanish region of Catalonia, whose head researcher is calling for major changes in how the warming world battles its blazes.
The science of how wildfires got so hellish
Two factors have collided to turn “good” fires into “bad” ones: climate change and, ironically enough, a history of fire suppression. Climate change means that vegetation is drier and primed to burn catastrophically. Extinguishing burns, especially those that threaten lives and structures, means that mountains of that fuel have built up.