What a Wet Winter Means for Wildfire Season
Above-average precipitation in California and other parts of the West doesnt necessarily mean there will be fewer wildfires this season the Golden State has already seen more than twice as many acres burned as it did last year.
Every spring firefighters throughout the West approach the summer season with a proverbial prediction: If the winter was dry, all those parched trees will burn like torches; if it was a wet winter, all those new grasses will fuel quick fire starts and hot, runaway flames.
After a winter that left record piles of snow in the mountains and drenched most of Californias valleys, its no surprise that it is grass fires that are fueling a fast start to the states 2017 fire season. More than 16,000 acres had burned by June 3 in 1,229 blazes, most of them in central and southern California.
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We can look to the hills for relief, federal officials said. The rains that are fueling the green-up in the valleys fell as snow at the higher elevations. The result is a slow start to the fire season in the Sierra Nevada, mostly managed by the United States Forest Service: just 2,576 acres of federal lands had burned by June 3. By June 7 last year, nearly 13,000 acres had burned. The moisture should lead to a delayed and shorter season overall in the Sierra, according to the National Interagency Fire Center (NIFC) in Boise, ID.
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https://www.newsdeeply.com/water/articles/2017/06/19/what-a-wet-winter-means-for-future-of-wildfire-season
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I knew that a wet winter provided fuel, but I didn't know about the difference between grass/scrub and mountain forests - that all this moisture will slow things down in the Sierra, but the grass lands and other semi-arid regions will burn more intensely. Also an interesting point that a slower fire season in the high-elevations will allow more controlled burns to deal with beetle-killed trees...