Winds push Sierra Valley's Bear Fire to 3,000 acres with no containment
Briefly

"The winds pick up during the day, during the hottest part of the day, too," Faulkenberry said.
"Oftentimes, we see the fire will pop to life right when the inversion finally breaks, and firefighters are really keyed in to this behavior."
"The Sierra Valley, by Sierraville and Loyalton, is this amazing example of a place where you have this basin that is almost perfectly enclosed on all sides by the mountain ranges, so it literally fills up like a pool of water but with cold, stable air."
In the daytime, heat erodes the inversion from the bottom up, Lareau said. "And there's usually this sudden transition from the mid-morning, when the inversion suddenly breaks and you get much more active fire behavior all of a sudden."
Read at SFGATE
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