Mosquito Fire close to Sacramento is at a ‘tipping point,’ fire officers say.

Credit...Fred Greaves/Reuters

The Mosquito hearth, a 30,000-acre blaze raging thru the Sierra Nevada foothills northeast of Sacramento,

Credit...Fred Greaves/Reuters

 has calmed barely Friday after explosive increase an afternoon in advance, fireplace officials said.

Credit...Fred Greaves/Reuters

We are at a tipping factor,” Rob Scott, a hearth conduct analyst on the U.S. Forest Service

Credit...Fred Greaves/Reuters

“No big fire boom, no large column, no photograph on Facebook at the give up of the day looking like a volcano going off?,” 

Credit...Fred Greaves/Reuters

The fire, the largest of several that have been burning across the state in the middle of an oppressive heat wave, remained uncontained.

about 17,000 acres in just four hours, despite an all-out attack from firefighters, bulldozer crews and helicopters dropping water.

The Mosquito fire has been burning so intensely that it has created its own weather patterns