the sheriff says there are major issues about how to get emergency services to areas where roads have been washed out. another issue is protecting homes that have been evacuated. each day presents new challenges as well. here's an exclusive report. >> reporter: this is the flood as it roared past johnathan's home. captured on his cellphone last week, ignoring warnings to evacuate. it was so forceful, it swallowed the road, pounding everything in its path. today that same road is caved in. this road can no longer support cars. only his bike. >> empty on fuel for our generator. making a trade-off here. >> a friend drives fuel to meet him. then he makes the long bike ride back into his canyon home where