. >> it's about a five-hour time of concentration from peek rainfall to peek runoff up at fellton where you visited this morning, and perhaps another hour and a half here before town, so we might have six and a half hours. >> reporter: some of the region's smaller reservoirs such as uvas seen from sky 7 are expected to overflow this weekend and issues of falling trees, debris log jams and slides could threaten utility pipelines. >> we want to protect our pipelines. we have several pipeline reaches along landslides in the san lorenzo valley. if those get mobilized bit storms we'll be concerned. >> reporter: near fellton, david louie, abc 7 news. >> the path of this weekend's storm appears to be changing. we get to abc 7 meteorologist drew tuma on that. >> something we're tracking as we head into the weekend, rain into the bay area. live lopper it 7 now is quiet. a busy week ahead. look at the rain chances the next seven days. it is impressive. we have storm after storm after storm, and right now, still looks like the heaviest rain and the strongest winds will coincide on sunday. you can