"Honestly, the way the state manages its water, that really has no bearing on the explosive growth of the fires", said Glen MacDonald, a geography professor at the University of California Los Angeles who studies wildfires.
At more than 290,692 acres, the fire spans more than 454.2 square miles. Firefighters have achieved 78% containment on it as of Tuesday morning, making significant progress over Monday night.
The Mendocino Complex consists of two neighboring Northern California blazes, the Ranch and River fires.
Evacuees watch the sunset as smoke from the Ranch Fire rises into the sky at Austin Park Beach in California.
McLean said firefighters are using the direct approach to prevent the fires from reaching urban areas along Clear Lake while retreating in national forests "and letting the fire come to us". Numerous largest fires in state history were caused by humans.
"The big fires have scores of water-dropping helicopters getting water from nearby lakes and reservoirs", he said.
While no casualties have yet been reported, the fires which have been raging throughout Northern California since July 27, have already destroyed 75 residences and are now threatening another 11,300 structures. It killed two people, including a firefighter, and destroyed more than 1,000 buildings before being fully contained on January 12.
Three of the largest wildfires in California's history have occurred in the past 12 months. Fueled by low humidity, triple-digit temperatures and winds blowing across wide swaths of tinder-dry vegetation, the conflagration has expanded to three counties, surrounded an entire river and parts of neighboring reservoirs, and destroyed and damaged almost 170 homes and other structures. That fire ended up burning 281,893 acres before being contained.
However, Trump is also touching on complaints that environmental policies stop land managers from clearing brush, dead trees and other biomass in forests that feed fires, and experts say that is a legitimate debate. The Cedar fire in 2003, now the third-largest, devoured 273,246 acres in San Diego County, according to Cal Fire records.
NASA astronaut Ricky Arnold - a crewmember on the ISS' current Expedition 56 along with Gerst and four other spaceflyers - posted some fire photos of his own via Twitter today (Aug. 6).
Some 14,000 firefighters are battling 18 major blazes burning thousands of square kilometres throughout California with aircraft, assorted vehicles and picks and shovels.
Fred Greaves / Reuters A DC-10 air tanker drops fire retardant along the crest of a hill to protect the two bulldozers below that were cutting fire lines at the River Fire on Thursday.
Temperatures will remain hot all week across much of the state including Southern California, where red flag warnings for increased fire danger are in place.
"There are also significant terrain hazards for firefighters".
This is only the beginning of California's fire season.