For the month of October, numerous wildfires that started in September 2020, continued to burn across northern California.
The August Complex is the largest fire in California history, and is spread across the county warning areas of weather forecast offices Sacramento and Eureka. One fatality and injury occurred on August 27 at the August Complex due to a vehicular accident, many structures were destroyed or damaged. The August Complex finally becomes fully contained by November 15, 2020.
The LNU and SCU complexes are mainly within the county warning area of weather forecast office Monterey; however, both fires spread into Sacramento's forecast area.
The LNU Complex caused significant damage in Solano County, including 2 fatalities, the evacuation of Vacaville and Fairfield, and the closure of I-80. Yolo County was also affected by the fires and had evacuations and road closures. 3 Fatalities occurred in Napa County. It has been difficult to find detailed data, but there were 5 injuries that occurred, 4 civilian and 1 first responder. The LNU Complex finally becomes fully extinguished by October 1, 2020.
The SCU Complex covered large swaths of land over Santa Clara, Alameda, Contra Costa, San Joaquin, Merced, and Stanislaus counties. Per the last CalFire incident update, 6 injuries occurred, 4 were first responders and 2 were civilian. The fires caused significant damage over the area. The SCU Complex finally becomes fully contained on October 1, 2020.
Finally, the North Complex, spanning portions of Plumas and Butte counties, was also started by lightning on August 17 at 8AM PST. Fire activity occurred for the month of August, but extreme fire growth happened during the month of September due to a strong offshore wind event. Per the US Forest Service there were 16 fatalities and 2,455 structures destroyed. As of November 29, the date when this is being prepared, estimated containment is expected to occur on November 30.

Wildfire in MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO WESTERN COLUSA COUNTY, CALIFORNIA
From 01-OCT-20 00:00:00 to 31-OCT-20 23:59:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The August Complex was started by lightning on August 16 and 17, initially over the Mendocino National Forest. Since then, the fire has grown extensively and currently spans two National Weather Service county warning areas, Sacramento and Eureka. Counties that have been affected are Tehama, Glenn, Colusa, Lake, Trinity, Mendocino, and Humboldt counties. The fire becomes fully contained on November 15 and ends up burning 1,032, 648 acres. It destroyed 54 structures and damaged 6 structures. 1 fire fighter fatality and an associated injury occurred via a vehicular accident while on the line in Eureka's forecast area.

Wildfire in NORTHEAST FOOTHILLS/SACRAMENTO VALLEY, CALIFORNIA
From 01-OCT-20 00:00:00 to 31-OCT-20 23:59:00 (PST-8)
Reported by: Fire Department/Rescue

The North Complex, spanning portions of Plumas and Butte counties, was also started by lightning on August 17 at 8AM PST and continued through the month of September. Extreme fire growth happened just after Labor Day due to a strong offshore wind event. Per the US Forest Service there were 16 fatalities and 2,455 structures destroyed. As of Dec 4, the date when this is being prepared, estimated containment was expected to occur on November 30. No additonal updates to the fire's webpage have been made.

Wildfire in SOUTHERN SACRAMENTO VALLEY, CALIFORNIA
From 01-OCT-20 00:00:00 to 02-OCT-20 23:54:00 (PST-8)
Reported by: Fire Department/Rescue

The LNU Complex started on August 17 and finally became contained on October 2, 2020. This fire ends up burning a total of 363, 220 acres, destroying 1491 structures, including an NWS COOP site, and damaging 232 structures. For Solano County, 42,00 acres were burned, 309 homes were destroyed, 854 structures were damaged, and 1,426 utility poles were replaced. Many evacuations occurred, including larger sized populations such as Fairfield, Vacaville, and Travis Air force Base. Multiple road closures happened as well, including Interstate 80 for a brief period. Finally 5 deaths, which are detailed and recorded as separate events, and 5 injuries happened because of the fire. Injury information has been hard to come by with the latest information being 4 civilian and 1 first responder injury. Note end time is estimated as it is not provided on CalFire's website.

Wildfire in NORTHERN SAN JOAQUIN VALLEY, CALIFORNIA
From 01-OCT-20 00:00:00 to 01-OCT-20 09:29:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The SCU Complex started on August 16 and eventually becomes contained on October 1, 2020. It covered Santa Clara, Alameda, Contra Costa, San Joaquin, Merced, and Stanislaus counties which span the county warning areas of Monterey and Sacramento offices. This fire ends up burning a total of 396, 624 acres, destroying 136 structures and 86 minor structures, and damaging 26 structures. 6 injuries were reported, 4 of which were first responders and 2 civilian; however, detailed data for injuries have been hard to come by. Finally, evacuations and road closures occurred. The majority of this fire complex burned in Monterey's county warning area.