Transcript for California wildfire explodes in size, prompting new evacuations overnight
And to the wildfires in the west tonight. Still growing, despite calmer winds, and the Thomas fire in particular, it's not the fifth largest in California history. And the new concern tonight, we told you that firefighters have been digging those fire lines to halt the flames. But now the fires are jumping right over them. ABC's senior national correspondent Matt Gutman again tonight. Reporter: Tonight, the Thomas fire marching closer to communities after exploding in size. Helicopters are making drops, they're trying to stop the spread. Reporter: The fire, unpredictable and relentless, jumping fire lines meant to contain it. Now scorching more than 350 square miles in seven days. Prompting new evacuations overnight. And that's where we found the Claffey family today, cars packed. Little Mazie is the fifth generation of her family of farmers to live here. What are you afraid of? The fire. Reporter: Yeah? Like tens of thousands, they face the twin dangers of fire and smoke. None of us should be breathing it. Reporter: The cash coash coming down like snow. An addition 2,000 firefighters brought out here to battle the Thomas fire, creating this massive city of firefighters, hundreds and hundreds of fire engines. The fire threatening 18,000 structu structures, more than 1,000 animals at this shelter. Everywhere, where we can fit animals, we've done it. And hopefully everybody gets home soon. Reporter: David, this area hasn't seen significant rainfall in over 250 days. Making all of that shrub you see behind me like kindling, and this fire, explosive. David? All right, Matt Gutman on the fires again tonight.
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