California Lightning Complex Fires Map, Updates as LNU, CZU Fires Zero Percent Contained

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California wildfires continue to rage across the state, with thousands evacuated and more than 50,000 structures reported to be under threat, according to the California Department of Forestry and Fire Protection (Cal Fire).

Among the largest fires blazing the state are clusters of fires forming the multiple Lightning Complex fires. The LNU Lightning Complex and CZU August Lightning Complex have reached 215,000 acres and 157,475 acres, respectively, with zero percent containment reported for both, according to the latest report by the Cal Fire.

Below are the latest updates on the multiple fires forming the Lightning Complex fires.

LNU Lightning Complex

  • Acres: 215,000
  • Containment: 0 percent
  • Fatalities: 4 civilians
  • Structures threatened: 30,500
  • Structures destroy: 480
  • Structures damaged: 125

Source: Cal Fire report Thursday, as of 7:30 p.m. local time

Three residents from Napa County and one resident from Solano County were killed in the LNU Lightning Complex fires.

The Hennessey Fire, a merge of the Gamble, Green, Aetna, Markley, Spanish, Morgan and Round fires in Napa County and Lake County, was reported to be at 192,000 acres, according to the latest Cal Fire report Thursday.

In Sonoma County, the Walbridge Fire (which merged with the Stewarts Fire) was at 20,000 acres, while the Meyers Fire was reported to be at 3,000 acres.

Cal Fire warned: "Fires continue to make runs in multiple directions and impacting multiple communities," and "significant fire growth is expected through the rest of the operational period."

#LNULightningComplex - Evacuation Update - Lake County pic.twitter.com/f7C6iALhGq

— CAL FIRE LNU (@CALFIRELNU) August 20, 2020

Multiple fires were reported to have merged on the north side of Lake Berryessa into the Hennessey Fire and "continue to actively burn with critical spreads and is moving into large areas of timber," the report added.

Evacuation orders and warnings are in place across several parts of Napa, Sonoma and Lake counties. See Cal Fire's full report for details on specific areas under evacuation orders and warnings.

SCU Lightning Complex

  • Acres: 157,475
  • Containment: 5 percent
  • Fatalities: 0
  • Structures threatened: 20,000
  • Structures destroy: 0
  • Structures damaged: 0

Source: Cal Fire report Thursday, as of 7p.m. local time

The SCU Lightning Complex includes a cluster of around 20 fires that have broken into three areas—the Canyon Zone, the Calaveras Zone and the Deer Zone.

"Gusty west winds, warm temperatures and low humidities" were reported to have continued across the Santa Clara complex on Thursday, Cal Fire's latest report noted.

#SCULightningComplex | Online Evacuation Map | https://t.co/IkaXEAOjqm pic.twitter.com/a4pqRnmNzo

— CAL FIRE SCU (@calfireSCU) August 20, 2020

"West winds tested containment lines across the Deer Zone, with winds up to 25 mph [miles per hour]...the fire containment is expected to continue to grow when in alignment with topography and wind," the report added.

Evacuation orders and warnings are in place for various parts of Santa Clara County, Alameda County and San Joaquin County, while evacuation warnings have also been issued for parts of Stanislaus County. See Cal Fire's full report for details on evacuations and road closures in specific areas.

CZU August Lightning Complex

  • Acres: 48,000
  • Containment: 0 percent
  • Fatalities: 0
  • Structures threatened: 20,952
  • Structures destroy: 50
  • Structures damaged: 0

Source: Cal Fire report Thursday, as of 7 p.m. local time

Multiple fires in northern Santa Cruz County and southern San Mateo County forming the CZU August Lightning Complex fire have merged and "continue to actively burn throughout the day due to relative low humidities, inaccessible terrain and limited resources," according to the latest report by Cal Fire.

Around 48,000 people have been evacuated so far, but "fire activity may dictate more evacuations and road closures in the days to come," the report warned.

Additional evacuation orders have been issued for several parts of both counties. See Cal Fire's full report for details on specific areas under evacuation orders as well as road closures.

#CZULightningComplex San Mateo County La Honda area Evacuation Orders @CALFIRE_PIO @CAL_FIRE pic.twitter.com/ZMzVBGEjK7

— CAL FIRE CZU (@CALFIRECZU) August 21, 2020

Tehama/Glenn Lightning Complex

  • Acres: 27,500
  • Containment: 5 percent
  • Fatalities: 0
  • Structures threatened: 1,500
  • Structures destroy: 2
  • Structures damaged: 1

Source: Cal Fire report Friday

The Tehama/Glenn Lightning Complex fire includes the Elkhorn Fire and Ivory Fire.

"The Tehama Zone has multiple fires burning to the east from the Mendocino National Forest as well as the Elkhorn Fire. These fires will continue to threaten communities to the east," Cal Fire warned in its latest report.

"Glenn Zone has multiple fires burning, including the Ivory Fire which is expected to continue to burn towards communities to the east," the report said.

Evacuation orders and warnings are in place across multiple areas in both zones. An evacuation warning was issued Thursday for the Platina community of Shasta County, "based on fire behavior, no containment, lack of resources to include personnel and aircraft," the report said.

See Cal Fire's report for evacuation details on other specific areas.

All roads have been closed in the Glenn Zone, while Pettyjohn Road is closed in the Tehama Zone, the report confirmed.

Butte Lightning Complex

  • Acres: 2,542
  • Containment: 10 percent
  • Fatalities: 0
  • Structures threatened: No estimate reported
  • Structures destroy: 0
  • Structures damaged: 0

Source: Cal Fire report Thursday, as of 7 p.m. local time

Among the 34 fires reported following Monday's lightning event, 21 were reported to be in patrol status. Several fires between 100 and 1,000 acres from the Butte Lightning Complex blaze in Butte County were reported to be burning in remote areas "with heavy fuels, difficult terrain, and potential for continued growth," according to Cal Fire's latest.

An EVACUATION WARNING has been issued for the Inskip and Philbrook Reservoir areas due to fires burning in the area and current weather conditions. Please avoid the area until further notice.
8.20.20 12:45 p.m. #ButteSheriff https://t.co/poPCZXZiH1 pic.twitter.com/FuSH33Nvts

— Butte County Sheriff (@ButteSheriff) August 20, 2020

The 5-6 Fire was reported to be at 250 acres, with 25 percent containment, while the 1-12 Fire was reported to have merged with the 1-6 Fire. Burning in the Butte Creek drainage, the merged fire was reported to be around 700 acres, with zero percent contained.

The Butte County Sheriff's Office confirmed: "An evacuation warning has been issued for the Inskip and Philbrook Reservoir areas due to fires burning in the area and current weather conditions. Please avoid the area until further notice. 8.20.20 12:45 p.m.," in a post on its official Twitter account.

LNU Lightning Complex fire California August 2020
Fire retardant hangs in the air after being dropped by a firefighting aircraft ahead of the LNU Lightning Complex fire on August 20, 2020 in California. Getty Images

About the writer

Soo Kim is a Newsweek reporter based in London, U.K. She covers various lifestyle stories, specializing in travel, health, home/interior design and property/real estate. Soo covered the COVID-19 pandemic extensively from 2020 to 2022, including several interviews with the chief medical advisor to the president, Dr. Anthony Fauci. Soo has reported on various major news events, including the Black Lives Matter movement, the U.S. Capitol riots, the war in Afghanistan, the U.S. and Canadian elections, and the 2020 Tokyo Olympics. Soo is also a South Korea expert, covering the latest K-dramas—including the breakout hit Squid Game, which she has covered extensively, including from Seoul, the South Korean capital—as well as Korean films, such as the Golden Globe and Oscar-nominated Past Lives, and K-pop news, to interviews with the biggest Korean actors, such as Lee Jung-jae from Squid Game and Star Wars, and Korean directors, such as Golden Globe and Oscar nominee Celine Song. Soo is the author of the book How to Live Korean, which is available in 11 languages, and co-author of the book Hello, South Korea: Meet the Country Behind Hallyu. Before Newsweek, Soo was a travel reporter and commissioning editor for the award-winning travel section of The Daily Telegraph (a leading U.K. national newspaper) for nearly a decade from 2010, reporting on the latest in the travel industry, from travel news, consumer travel and aviation issues to major new openings and emerging destinations. Soo is a graduate of Binghamton University in New York and the journalism school of City University in London, where she earned a Masters in international journalism. You can get in touch with Soo by emailing s.kim@newsweek.com . Follow her on Instagram at @miss.soo.kim or X, formerly Twitter, at @MissSooKim .Languages spoken: English and Korean


Soo Kim is a Newsweek reporter based in London, U.K. She covers various lifestyle stories, specializing in Read more