SAN FRANCISCO (KGO) -- A record-breaking heat wave combined with thousands of lightning strikes has sparked several wildfires around the Bay Area.
Here's what you need to know about the fires burning right now:
CZU August Fire/La Honda Fire
San Mateo and Santa Cruz counties
A fire spread Tuesday west of Skyline Boulevard in San Mateo County in an area where 200 to 300 people live. About 100 structures are threatened, according to CAL FIRE. The fires have been smoldering since they were presumably started by lightning strikes on Sunday, but really grew on Tuesday. Pescadero Creek, Memorial and Sam McDonald parks are all closed due to the fire, according to San Mateo County Parks.
Acres burned: 1,000
Containment: 0%
Evacuation orders in San Mateo County:
Butano Community Area
Community of Loma Mar
Dearborn Park
Pescadero Creek County Park
Butano State Park area including Barranca Knolls community
Butano Creek drainage area
NAPA FIRES: Mandatory evacuations ordered near Hennessey Fire
LNU Lightning Complex Fires
Napa County
The Lightning Complex is made up of three large fires: Hennessey, Gamble and 15-10, which are all burning in Napa County. So far, three structures have been damaged and another 205 are threatened. See more on the size of the individual fires below.
15-10 Fire
The 15-10 Fire is burning near Putah Creek Bridge and Berryessa Knoxville Road, on the west side of Lake Berryessa between the Gamble and Hennessey fires.
Acres burned: 4,500
Containment: 0%
Gamble Fire
The Gamble Fire is burning northeast of the Hennessey Fire (see below), near Lake Berryessa. It started Monday on Berryessa Knoxville Road west of Brooks.
Acres burned: 5,000
Containment: 0%
Hennessey Fire
The fire in Napa County broke out near Hennessey Ridge Road and Chiles Pope Valley Road, east of St Helena, Monday morning and began to spread quickly. "Crews are dealing with rugged terrain, adverse weather, and unfavorable fire conditions," CAL Fire said in an update Monday. The area was hit by lightning Monday morning.
Acres burned: 2,700
Containment: 0%
Evacuation orders in Napa County:
Wragg Canyon Rd - from Hwy 128 to the end of the road, including Pleasure Cove Resort
Chiles Pope Valley Road - From Lower Chiles Valley Road to Pope Canyon Road
All of Berryessa Knoxville Road from the intersection with Highway 128 (southwest of Lake Berryessa) to the intersection with Eastside Road (northeast of the lake)
Everything immediately west of Lake Berryessa
Pope Canyon Road from Pope Valley Road to Berryessa Knoxville Road
From Moskowite Corner to Wooden Valley Road, including the community of Circle Oaks
Atlas Peak from the Bubbing Well Pet Cemetary at 2462 Atlas Peak Rd. to the dead end
From Loma Vista Drive and Soda Canyon Road to the dead end
Snell Valley Road from Butts Canyon Road to Spanish Valley Trail, including the Berryessa estates
Highway 128 from Lower Chiles Valley Road to Monticello Road
Highway 128 from Chiles Pope Valley Road to Lower Chiles Valley Road
Chiles Pope Valley Road from Highway 128 to Lower Chiles Valley Road
All of Hennessey Ridge Road
Evacuation warnings in Napa County:
Butts Canyon Road from the Lake County line to James Creek
Highway 128 at Silverado Trail to Chiles Pope Valley Road, including the Pritchard Hills Area
Highway 128 at Lower Chiles Valley Road to Turtle Rock
Road closures:
Highway 128
Sage Canyon Road
Chiles Pope Valley Road
Lower Chiles Valley Road
Austin Creek Fire/13-4 Fire
Sonoma County
A fire is burning near Venado in Sonoma County.
Acres burned: TBD
Containment: 0%
Evacuation orders in Sonoma County:
North of Austin Creek Recreational Area
East of The Cedars
West of end of Mill Creek Road
South of Stewarts Point-Skaggs Springs Road
West of West Dry Creek Road and Westside Road
North of Sweetwater Springs Road and McCray Ridge Road
East of the East Austin Creek (the actual creek)
SCU Lightning Complex Fires
Twenty different fires across several counties are broken into three zones: Deer Zone, Calaveras Zone and Canyon Zone. They have burned 25,000 acres combined so far. The fires are burning in steep, dry areas, making it challenging for firefighters to attack them. Lightning is the suspected cause in many of the fires.
Acres burned: 25,000
Containment: 0%
Deer Zone Fires
Contra Costa County
Includes the Marsh Fire, Palm Fire, Round Fire and Briones Fire
Calaveras Zone Fires
Santa Clara, Alameda and Stanislaus counties
Includes the Kilkare Fire, Arroyo Fire, Mill Creek Fire, Welch Fire, Ohlone Fire and Reservoir Fire
Canyon Zone Fires
San Joaquin and Stanislaus counties
Includes the Peg Leg Fire, Terraville Fire, Del Puerto Fire and Peach Fire
Evacuation orders:
Alameda/Stanislaus County:
Frank Rains Park to Mines Road
Del Puerto Canyon Road 1 mile to Mines Road
Alameda County:
Welch Creek Road
Contra Costa County:
Marsh Creek Road at Round Valley to Morgan Territory
All of Morgan Territory and the mobile home park on Marsh Creek Road
Evacuation warnings:
Alameda County:
Mill Creek Road
Road closures:
Marsh Creek Road between Morgan Territory Road and Deer Valley Road
Del Puerto Canyon Road (SR-130) between Mines Road and Diablo Grande Parkway
4-6 Fire
Marin County
A fire broke out Tuesday afternoon in Point Reyes National Seashore adjacent to the Woodward Trail. There were no immediate evacuations or structures threatened, according to Marin County Fire, but the area was difficult for crews to access.
Acres burned: 50
Containment: 0%
This story will be updated as firefighters get blazes under control or new fires break out. Check back for updates.