Season Update: Western Fires Have Burned 2 Million Acres Over 10-Yr Avg. AK Fires Near 5 Million
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The Glacier National Park fire is just another example of the disruption the 2015 wildfire season has already caused for Western states. Plagued by high temperatures, low snowpack, and continued drought, states from Alaska to California are in the midst of one of the earliest and most prolific fire seasons on record. As of Tuesday, 34,995 large fires had burned over 5,569,671 acres in 2015 almost 2 million acres above the 10-year average.
In Alaska alone, fires of all sizes have burned nearly 5 million acres, paving the way for the states worst fire season ever. Alaskan wildfires are particularly concerning because the state sits on vast tracts of permafrost permanently frozen soil and water that contains more carbon than is currently contained in the atmosphere. Wildfires burn away the top layer of earth, whether thats trees, brush, leaves, or other material that rests on a forest floor. But in Alaska, increasingly powerful fires not only strip away the top layer of organic material they also burn organic matter underground, removing the protective layer of trees and pine needles that insulates the permafrost from the suns rays. Without that protective layer, heat from the sun has a much easier time turning permafrost from frozen organic matter to soupy organic matter that can release dangerous greenhouse gases, like carbon dioxide and methane, into the atmosphere. Alaska has undergone rapid climatic changes in the past 50 years, warming by more than 3 degrees Fahrenheit. But it has also seen a marked increase in the length and intensity of its fire season something that climate scientists worry could hasten the melting of Alaskas permafrost, and, in turn, exacerbate climate change.
Drought conditions in Washington have made the state so hospitable to fire that its Olympic Peninsula which contains one of the best remaining examples of a temperate rain forest has been battling a rare wildfire since late May. The Paradise Fire currently burning in Olympic National Park, which is normally one of the wettest places in the United States, isnt expected to be contained until late-September. According to the Washington Post, the fire is already the largest in the parks history.
In Northern California, a fire in Nevada County has burned over 2,000 acres, threatening about 1,800 homes. Firefighters told local news Wednesday that they had the fire 40 percent contained, but the fire is just one of six that firefighters in Northern California are currently fighting. California has seen an especially quick start to its fire season, with fire crews telling CBS News that they have responded to about 1,100 more incidents this year than by this same time last year.
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http://thinkprogress.org/climate/2015/07/29/3685522/wildfires-alaska-california-2015/