An unprecedented spate of deadly wildfires raging across Oregon kept half a million people under evacuation alert on Friday even as weary firefighters took advantage of improved weather to go on the offensive against the blazes.
The fires have destroyed thousands of homes in days, making Oregon the latest epicentre in a larger summer outbreak of fires sweeping the western United States, collectively scorching more than 22,000 square kilometres and killing at least 25 people.
Although at least five lives were known to have been lost in Oregon this week, Governor Kate Brown has warned the death toll could grow far higher and said on Friday that dozens of people had been reported missing in three counties.
Office of Emergency Management chief Andrew Phelps said disaster teams searching the scorched ruins of a half-dozen small towns laid to waste were bracing to encounter possible "mass fatality incidents".
The Pacific North-west as a whole has borne the brunt of an incendiary onslaught that began around September 7, darkening the sky with smoke and ash that has beset northern California, Oregon and Washington with some of the world's worst air-quality levels.
The firestorms, some of the largest on record in California and Oregon, were driven by high winds that howled across the region for days in the midst of record-breaking heat. Scientists say global warming has also contributed to extremes in wet and dry seasons, causing vegetation to flourish then dry out, leaving more abundant, volatile fuel for wildfires.
"This is the perfect storm," California Governor Gavin Newsom told reporters from a charred mountainside near Oroville, California.
More than 3,900 homes and other structures have been incinerated in California alone over the past three weeks.
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Mormon Lake Hotshots firefighter Sara Sweeney uses a drip torch to set a backfire to protect mountain communities from the Bobcat Fire in the Angeles National Forest, north of Monrovia, California, USA. AFP -
A firefighter puts out a hot spot along Highway 38 northwest of Forrest Falls, California, as the El Dorado Fire continues to burn. SCNG via AP -
The Bobcat Fire consumes a forest in the Angeles National Forest, north of Monrovia, California. AFP -
The Bobcat Fire advances in the Angeles National Forest. AFP -
A Coulson 737 firefighting tanker jet drops fire retardant to slow Bobcat Fire at the top of a major run up a mountainside in the Angeles National Forest. AFP -
The San Francisco - Oakland Bay Bridge is seen under a smoke-filled sky from various California wildfires in San Francisco, California. Reuters -
A view of downtown Los Angeles under an orange overcast sky. EPA -
This NASA Earth Observatory image shows this natural color image of thick smoke plumes streaming west from a long line of intense fires in Washington state, Oregon and California. AFP -
A couple embrace while touring in an area devastated by the Almeda Fire in Phoenix, Oregon. AP Photo -
Volunteer firefighter Jacob Ruthrock puts out embers from a fire in Gates, Oregon. AFP -
The charred remains of the Gates Elementary School, which was being used as a staging ground by firefighters, are seen after the passage of the Santiam Fire in Gates, Oregon. AFP -
A charred swing set and car are seen after the passage of the Santiam Fire in Gates, Oregon. AFP -
An orange smoke-filled sky and burnt remains are seen after the passage of the Santiam Fire in Gates, Oregon. AFP -
Mark Buktenica looks through the rubble of Eden McCarthy's home, destroyed by the Almeda Fire, in Talent, Oregon. AP Photo -
People walk through a mobile home park destroyed by fire in Phoenix, Oregon. AFP
In southern Oregon, an apocalyptic scene of charred residential subdivisions and trailer parks stretched for kilometres along Highway 99 south of Medford through the neighboring towns of Phoenix and Talent, one of the most devastated areas.
Beatriz Gomez Bolanos, 41, told her four children to close their eyes while fires raged on both sides of their car during their escape from the Bear Creek Mobile Home Park south of Medford, even as embers rained rain down on their house.
"Everything is gone. We have to start again from nothing, but we are alive," she told Reuters by phone.
Authorities opened an arson investigation into that fire on Thursday.
Molalla, a community about 40 km south of downtown Portland, was an ash-covered ghost town after its more than 9,000 residents were told to evacuate, with only 30 refusing to leave, the city's fire department said.
The logging town was on the front line of a vast evacuation zone stretching north to within 5km of downtown Portland. The sheriff in suburban Clackamas County set imposed an overnight curfew to deter "possible increased criminal activity".
Governor Brown told a news conference that more than 500,000 people were under one of three evacuation alert levels, advising them to pack and be vigilant, to be ready to flee at a moment's notice, or to leave immediately. About 40,000 of those had already been ordered to leave.
In neighbouring Washington state to the north, online video from the Tacoma area showed fires in a residential area setting homes ablaze and locals scurrying to warn neighbors.
"Everybody out, everybody out!" a man screamed as firefighters tried to douse the flames.
After four days of treacherously hot, windy weather, a glimmer of hope arrived in the form of calmer winds blowing in from the ocean, bringing cooler, moister conditions that helped firefighters make headway against blazes that had burned largely unchecked earlier in the week.
"The weather is going to be favourable for us," said Doug Grafe, fire protection chief for the Oregon Department of Forestry, adding that the break in the weather was forecast to continue into the coming week.
The overall death toll from the Western fires that began in August jumped to 25 after seven people were reported killed in mountains north of Sacramento, California, and Oregon's fifth fatality was reported in Marion County, outside of Salem, the state capital.
California accounts for the bulk of fire-related deaths, 19 in all, including eight from blazes that began in August and were still burning this week. Washington state reported one this week.
More than 68,000 people were under evacuation orders in California where the largest fire in state history has burned over 299,470 hectares in the Mendocino National Forest, about 190km north-west of Sacramento.
"We had four hours to pack up our pets and a few medications and things like that," said retiree John Maylone from an evacuation centre in Fresno, California. He was forced to leave three of his 30 cats as he fled the massive Creek Fire.
Paradise, a town blasted by California's deadliest wildfire in 2018, posted the world's worst air quality index reading at 592, according to the PurpleAir monitoring site, as two of the state's largest blazes burned on either side of it.
