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Mosquito Fire prompts evacuations near Foresthill, California

Updated 6:50 p.m. PDT September 8, 2022

Mosquito Fire map
Mosquito Fire map at about 5 p.m. Sept. 8, 2022.

The Mosquito Fire east of Foresthill, California made an impressive run Thursday afternoon, growing from 8,265 acres at 1:30pm to 13,705 acres at 5pm — an increase of 5,440 acres in about 3.5 hours. Most of the growth was on the east half of the fire but the west side spread closer to Foresthill.

At times the rapidly expanding fire was putting up multiple convection columns topped by pyrocumulus clouds.

Mosquito Fire
Mosquito Fire as seen looking ENE from the Auburn camera at 5:32 p.m. Sept. 8, 2022.

The number of areas under evacuation orders has increased. The Placer County Sheriff’s Office has produced a map with the details. You can follow the Sheriff on Facebook and Twitter for evacuation updates.
https://www.facebook.com/PlacerSheriff
https://twitter.com/PlacerSheriff

On Thursday structures were being threatened in Volcanoville and Foresthill.

Mosquito Fire satellite photo
The Goes 17 satellite detected heat and smoke from the Mosquito Fire at 606 p.m. PDT Sept 8, 2022.

On Thursday afternoon the temperature topped out at 101 degrees in Foresthill, the relative humidity dropped to 15 percent, and the wind was only 2 to 5 mph mostly out of the west. The forecast for Friday calls for 102 degrees, 15 percent RH, and winds out of the east and northeast around 5 mph shifting to the west/southwest at 6 to 12 mph in the afternoon with gusts up to 20 mph.


Updated 7:43 p.m. PDT September 7, 2022

Mosquito Fire map 4:03 p.m. Sept 7, 2022
Mosquito Fire map 4:03 p.m. Sept 7, 2022.

Wednesday afternoon the Mosquito Fire east of Foresthill, California spread significantly north and east. On the north side it moved into the Michigan Bluff area, while on the east side it spread beyond Gorman Ranch Road, along Mosquito Ridge Road, and across Blacksmith Fit.

Mosquito Fire 6:35 p.m. PDT Sept. 7, 2022
Mosquito Fire as seen from Bald Mtn Eldorado camera looking north at 6:35 p.m. PDT Sept. 7, 2022.

At about 4 p.m. the FIRIS aircraft mapped it at 4,223 acres, an increase of approximately 3,000 acres since 11 a.m.

Evacuation information is below.


3:23 p.m. PDT September 7, 2022

Mosquito Fire map
Mosquito Fire map 11:09 a.m. Sept 7, 2022.

Evacuations have been ordered for the Mosquito Fire in the Foresthill area of Northern California, 17 miles northeast of Auburn.

Wednesday morning the fire was about a mile east of Foresthill, and was burning very actively during the afternoon. The estimated size at about 11 a.m. was 1,220 acres.

Most of the fire is within the boundaries of the Tahoe National Forest. It was reported at about 6:27 p.m. Tuesday September 6.

The Placer County Sheriff’s Office has ordered evacuations. They produced a map with the details.

You can follow Placer County Sheriff on Facebook and Twitter for evacuation updates.
https://www.facebook.com/PlacerSheriff
https://twitter.com/PlacerSheriff

Mosquito Fire
Mosquito Fire as seen from Bald Mtn Eldorado camera looking NNW at 1:59 p.m. PDT Sept. 7, 2022.

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