Light rain falling in N California could hurt search effort

2018-11-21 22:14

Light rain falling on Wednesday in some areas of Northern California could aid crews fighting a deadly wildfire while raising the risk of flash floods and complicating efforts to recover the remains of those killed.

Heavier rain was expected later in the day in the Paradise burn area, where a monstrous wildfire has killed at least 81 people and destroyed more than 13 000 homes.

Residents of communities charred by a Los Angeles-area fire stacked sandbags as they prepared for possible downpours that threaten to unleash runoff from hillsides left barren by flames.

Forecasters say rain expected over areas of Southern California burned by recent wildfires could cause mudslides and rock slides.

In Paradise, teams sifted through ash and debris as they searched for bodies about 225km northwest of San Francisco.

"The task is arduous," said Rick Crawford with the California Department of Forestry and Fire Protection. "And the possibility exists that some people may never be found."

Officials said nearly 870 people were still unaccounted for.

Precipitation could hinder the search by washing away fragmentary remains and turning ash into a thick paste.

Authorities trying to identify people killed are using rapid DNA testing that provides results in just two hours. The system can analyse DNA from bone fragments or other remains, then match it to genetic material provided by relatives of the missing.

The technology depends on people coming forward to give a DNA sample via a cheek swab.

But as of Tuesday, nearly two weeks after the start of the inferno, only about 60 people had provided samples to pop-up labs, said Annette Mattern, a spokesperson for ANDE, a Colorado company that is donating use of the technology.

"We need hundreds," Mattern said. "We need a big enough sample for us to make a positive ID on these and to also give a better idea of how many losses there actually are."

The National Weather Service issued a flash flood watch for Paradise and nearby communities and for those areas charred by wildfires earlier this year in Lake, Shasta, Trinity and Mendocino counties.

The Camp Fire, which has burned an area about the size of Chicago — nearly 616 square kilometres — was 75% contained.

In Southern California, people who worried days earlier that their homes might be consumed by flames were taking precautions against possible mudslides caused by the approaching storm.

Residents filling sandbags at Malibu's Zuma Beach were mindful of a disaster that struck less than a year ago when a downpour on a fresh burn scar sent home-smashing debris flows through Montecito, killing 21 people and leaving two missing.

The 391-square-kilometre Woolsey Fire in the Los Angeles area was almost entirely contained after three people were killed, 1 643 structures destroyed and 364 damaged.

Read more on:    california  |  california wildfires

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