<div id="subtitle">National Park Service says Yosemite fire crews were overconfident they could manage wildfire</div><div><p>The National Park Service says Yosemite officials were overconfident in their ability to manage a controlled burn last summer that whipped into an explosive wildfire.</p><p>The prescribed burn near the mountain town of Foresta last August was intended to eliminate tinder-dry vegetation that could cause a wildfire.</p><p>But the 90-acre burn jumped fire lines and ended up blackening more than 11.3 square miles, fed by the dry grass and dead trees the burn was supposed to safely devour.</p><p>In a report released Friday, the park service says the crews' "hubris of success" contributed to the problem.</p><p>In response, it says it will review and clarify national guidelines outlining the factors that crews should consider when rating the relative complexity of each controlled burn.</p><img src="http://admatch-syndication.mochila.com/images/ad.gif?aid=66568633&bid=informcom" /></div><div id="copyright"><div>

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