>>> thunderstorms are passing through. we check in with kristi on that. a spectacular light show last night. >> certainly in the east bay specifically, east bay hills, saw some thunderstorms. actually started a few small fires. and today, we do have to still beware re of those thunderstorms. however, we'll still see moisture in the forecast later this afternoon. because of that, that threat will dissipate. this morning, advisory still in effect until 11:00 for those people in the bay hills. >>> overnight, dry conditions and the lightning, the combination, sparked five fires overnight in the east bay. it started around 8:00 last night on oliveson ridge, just one and a half miles from the entrance of mount diablo park. within minutes, the fire grew from 40 to 60 acres. crews had a difficult time