Firefighters begin moving to new base camp as Garnet Fire rages on for 18th day

FRESNO COUNTY, Calif. (KFSN) -- Almost 3,000 occurrence unit are moving to rescue historical trees successful the Sierra National Forest arsenic the Garnet Fire continues to burn.

"Those trees are okay, we person afloat suppression efforts implicit there, manus crews, jumpers, engines, laid out," says Shannon Cologne with the U.S. Forest Service.

"We are moving to incorporate the lines we already person and improve, focusing mostly connected the northwest country and the McKinley area," explains Shannon.

The topography-fueled occurrence has been burning for 18 days.

MAP: See wherever California wildfires are burning close now

The winds, adust substance and terrain person each been factors successful its speedy spread.

No structures person been destroyed, but flames person threatened hundreds -- including infrastructure that supports Central Valley power.

Cologne says determination could beryllium alleviation successful sight, "Weather successful our favour now, we are not looking astatine the occurrence increasing much, it's gonna enactment wrong the footprint we already have."

Firefighters astatine Avocado Lake are gearing up to and getting acceptable to relocate to a caller basal campy a fewer miles down the road. They should beryllium mostly moved by Friday.

"We really person 2 caller basal camps, we person China Peak campy for the northbound extremity of the fire, and a caller campy being established disconnected of 168. Not everyone has moved yet, it is inactive successful process," explains Shannon.

The U.S. Forest Service continues to impulse radical to show aerial quality, arsenic fume and haze could change.

For evacuation bid updates, you tin sojourn the Fresno County Sheriff's Official website here.

For South Valley quality updates, travel Kassandra Gutierrez connected Facebook, Twitter and Instagram.