West's wildfires expected to get bigger, fiercer
There's a dangerous but basic equation behind the killer Yarnell Hill wildfire and other blazes raging across the West this summer: More heat, more drought, more fuel and more people in the way are adding up to increasingly ferocious fires.
Scientists say a hotter planet will only increase the risk.
More than two dozen wildland fires are burning from Alaska to New Mexico, fueled by triple-digit temperatures and arid conditions. In the Arizona mountain town of Yarnell, a blaze apparently sparked by lightning killed 19 members of an elite firefighting squad who had deployed their emergency shelters Sunday when erratic monsoon winds sent flames racing in their direction.
While no single wildfire can be pinned solely on climate change, researchers say there are signs that fires are becoming bigger and more common in an increasingly hot and bone-dry West.
“Twenty years ago, I would have said this was a highly unusual, fast-moving, dangerous fire,” said fire history expert Don Falk at the University of Arizona at Tucson, referring to the Yarnell Hill fire. “Now unfortunately, it's not unusual at all.”
Wildfires are chewing through twice as many acres per year on average in the United States compared with 40 years ago, U.S. Forest Service Chief Tom Tidwell told a Senate hearing last month. Since Jan. 1, 2000, about 145,000 square miles have burned, roughly the size of New York, New England, New Jersey, Delaware and Maryland combined, according to federal records.
A draft federal report released this year said climate change is stressing Western forests, making them more vulnerable to fires.
Over the past 35 years, Arizona has seen dramatic warming, with the state's 10-year average temperature jumping from 59.1 degrees Fahrenheit in 1977 to 61.4 degrees last year — an increase of 2.3 degrees.
Show commenting policy
TribLive commenting policy
You are solely responsible for your comments and by using TribLive.com you agree to our Terms of Service.
We moderate comments. Our goal is to provide substantive commentary for a general readership. By screening submissions, we provide a space where readers can share intelligent and informed commentary that enhances the quality of our news and information.
While most comments will be posted if they are on-topic and not abusive, moderating decisions are subjective. We will make them as carefully and consistently as we can. Because of the volume of reader comments, we cannot review individual moderation decisions with readers.
We value thoughtful comments representing a range of views that make their point quickly and politely. We make an effort to protect discussions from repeated comments either by the same reader or different readers.
We follow the same standards for taste as the daily newspaper. A few things we won't tolerate: personal attacks, obscenity, vulgarity, profanity (including expletives and letters followed by dashes), commercial promotion, impersonations, incoherence, proselytizing and SHOUTING. Don't include URLs to Web sites.
We do not edit comments. They are either approved or deleted. We reserve the right to edit a comment that is quoted or excerpted in an article. In this case, we may fix spelling and punctuation.
We welcome strong opinions and criticism of our work, but we don't want comments to become bogged down with discussions of our policies and we will moderate accordingly.
We appreciate it when readers and people quoted in articles or blog posts point out errors of fact or emphasis and will investigate all assertions. But these suggestions should be sent via e-mail. To avoid distracting other readers, we won't publish comments that suggest a correction. Instead, corrections will be made in a blog post or in an article.
- Ferguson slaying of Brown reconstructed in county autopsy
- Man caught jumping White House fence
- Coast Guard to seek billions to protect Arctic interests
- 4 private security guards convicted
- Biden’s son Hunter under no bar review after Navy Reserve discharge for cocaine use
- Security at Capitol questioned
- 8 arrested in post-game riots in Morgantown
- Social Security recipients to get increase in benefits
- Personal use of Secret Service agents on staffer’s behalf draws investigaton
- Academic scandal at University of North Carolina bigger than previously reported
- Coburn’s final ‘Wastebook’ tallies $25B in what he considers ‘pork’