bricks with nothing. that's how hot these fires burn. more than a dozen truck sures destroyed in san bernardino county. and families with little time to get to safety. >> this was the fastest that i've ever seen a fire progress. got home and there was no time to evacuate, no time to get anything. >> reporter: david, these firefighters are battling triple digit heat here and north of us, near sacramento, there are new red flag warnings, a reminder we are weeks away from the peak of fire season here. david? >> matt, thank you. when we come back here, we're tracking what could become a powerful new hurricane now headed for the u.s. and rob times this out.