lost everything. here s kabc s miriam hernandez. it came through here like a hurricane. it went from being calm to, you couldn t even see. the whole house i mean, there were sparks flying down our street. little teeny patch fires popping up everywhere. reporter: in the folds of the glenn dora foot hills, a rude wake-up call. 700 fire crews that were on stand-by because of the threat of fire mobilized because of at-risk homes. save this house, save the next one down here. reporter: neighbors watched in horror as a home above them caught fire and was swallowed in flames. smoke descended and then embers rained down. fire balls just coming off the fire. the wind was blowing them. this tree right here caught on fire. this field was on fire. it was completely black. you couldn t see anything but