
As unusually strong winds swept across a parched Los Angeles, spreading more than half a dozen firestorms that have now burned an area nearly the size of San Francisco, the fingerprints of climate change were all over the unfolding disaster.
The underlying dynamic feeding the flames was a wet-and-dry whiplash in which vegetation, supercharged by heavy rain, dried out and became fuel for fires that left the city all but encircled in flames. It was not difficult for climate experts to connect the dots.