As the deadly LA wildfires and other major emergencies have shown, alerts rely on a complicated chain of communication between first responders, government administrators, third-party companies and the public.

The Jan. 25 death is the 12th fatality connected to the Palisades Fire, while another 17 are attributed to the Eaton Fire, officials said

The return of the rain in Los Angeles has triggered Flash Flood Warnings, mudslides and debris flows in burn-scar areas, forcing officials to close roads and schools in the region.

A quick scientific study finds that human-caused climate change increased the likelihood and intensity of the hot, dry and windy conditions that fanned the flames of the recent devastating Southern California wildfires.

Human-caused climate change made the Los Angeles-area fires more likely and more destructive, according to a study out Tuesday. Why it matters: The study — from an international group of 32 climate researchers — shows how climate change fits into the myriad factors that made the multiple blazes one of California's most destructive and expensive wildfire disasters on record.