debra villalon talked with worried neighbors who were forced to evacuate. >> reporter: news chopper 2 was overhead as investigators swarmed vacaville looking for more explosives like the one that injured a resident this morning. >> blew off some of his fingers and hit his leg. he looked conscious but he was hurt. >> reporter: neighbors thought the boom they heard was a gunshot. as they evacuated, rumors flew that it was a pipe bomb or an acid bomb inside a soda bottle. none of that confirmed by authorities. >> we are not sure what it was at this point. >> how was it disguised? >> it was wrapped in a newspaper. >>> federal atf agents used x- ray, other front yards were searched. and an automated warning message went to other residents warning them about packages outside. >> we can only be cautious. we have to have an abundance of caution. >> reporter: with nothing else found, neighbors were allowed home. investigators concluding this was an isolated incident. and because authorities cannot confirm who did it or why, some families did not come home tonight. >> a kid would not have survi

debra villalon is live tonight. >> reporter: take a look it's proving pretty good. flood stage 25 feet and napa is not expected to get there. but people are watchful for good reason. napa has made flood im improvements throughout the years. >> it's about three times wider than it usually is and muddy. >> reporter: in sonoma county, the swollen russian river is also gaining attention. >> you can see is just this light here. top of the lights, the water is there. >> reporter: the tips of the lights and the tops of the cottage doors visible. everything else submerged. but this creek, the culprit then still has room to rise as well as run off doesn't overwhelm. >> as long as we have breaks in the weather, it's okay. it's when you don't have the breaks. >> reporter: still not out of the woods yet. >> russian river goes well into the mendecino county. a couple more inches and this thing would cover over flood stage. the water if it's not soaking in it has to go some where. it has to get to the rivers. >> reporter: so the city not in any imminent danger of flooding and nei

debra villalon is live tonight. >> reporter: take a look it's proving pretty good. flood stage 25 feet and napa is not expected to get there. but people are watchful for good reason. napa has made flood im improvements throughout the years. >> it's about three times wider than it usually is and muddy. >> reporter: in sonoma county, the swollen russian river is also gaining attention. >> you can see is just this light here. top of the lights, the water is there. >> reporter: the tips of the lights and the tops of the cottage doors visible. everything else submerged. but this creek, the culprit then still has room to rise as well as run off doesn't overwhelm. >> as long as we have breaks in the weather, it's okay. it's when you don't have the breaks. >> reporter: still not out of the woods yet. >> russian river goes well into the mendecino county. a couple more inches and this thing would cover over flood stage. the water if it's not soaking in it has to go some where. it has to get to the rivers. >> reporter: so the city not in any imminent danger of flooding and nei

debra villalon joins us tonight where the department of health is monitoring the air for radiation levels in the area. >> reporter: the department is monitoring changes in the atmosphere. if the radiation does arrive, scientists here will be among the first to know. it's expected to hit our coast as early as tomorrow. so diluted. radiation will be more minuscule than measurable. >> we understand everybody's concern, radiation is scary stuff. >> reporter: officials cannot say it enough, they see no health hazards. >> i'm not sure that the vision or the model of a plume this far away is -- >> no one can predict what is going to happen at the plant tomorrow. >> reporter: that uncertainty is why so much technology at so many locations is aimed at sniffing out radiation swiftly then compares it to normal background levels which vary from place to place and also pose some mysteries. >> no one has ever been able to determine differences in cancers from one location to another based just on backgrounds. >> i'm trying to not think about it because it seems seems to overwhelm me. >> reporter: and w

debra villalon joins us tonight where the department of health is monitoring the air for radiation levels in the area. >> reporter: the department is monitoring changes in the atmosphere. if the radiation does arrive, scientists here will be among the first to know. it's expected to hit our coast as early as tomorrow. so diluted. radiation will be more minuscule than measurable. >> we understand everybody's concern, radiation is scary stuff. >> reporter: officials cannot say it enough, they see no health hazards. >> i'm not sure that the vision or the model of a plume this far away is -- >> no one can predict what is going to happen at the plant tomorrow. >> reporter: that uncertainty is why so much technology at so many locations is aimed at sniffing out radiation swiftly then compares it to normal background levels which vary from place to place and also pose some mysteries. >> no one has ever been able to determine differences in cancers from one location to another based just on backgrounds. >> i'm trying to not think about it because it seems seems to overwhelm me. >> reporter: and w

debra villalon talked to the woman. >> reporter: very sharp, very independent and before making that 911 call she had already taken action. >> i was in my bed, that's when i heard a noise. >> reporter: the noise woke her just before midnight. and seeing her hall light on, and knowing it shouldn't be, this senior took the revolver. >> when he saw me, he ran and i shot. >> reporter: identity secret for their own safety but proud. >> my mom has, you know has the will to live. and she loves life. she wants to be here. >> my mind told me, get them going. >> you didn't hesitate to fire it either? >> no, no. >> reporter: she inherented the gun more than 20 years ago and never fired it before. the bullet went into the wall. but she says she would have been fine if she had hit the intruder. police agree. >> anybody has the right to you know keep their home and themselves safe and so she did what was necessary. >> reporter: the back door had been kicked in by the suspect who escaped the same way and was not caught. now a new security door has been installed. and another will go on the front do

debra villalon talked to the woman. >> reporter: very sharp, very independent and before making that 911 call she had already taken action. >> i was in my bed, that's when i heard a noise. >> reporter: the noise woke her just before midnight. and seeing her hall light on, and knowing it shouldn't be, this senior took the revolver. >> when he saw me, he ran and i shot. >> reporter: identity secret for their own safety but proud. >> my mom has, you know has the will to live. and she loves life. she wants to be here. >> my mind told me, get them going. >> you didn't hesitate to fire it either? >> no, no. >> reporter: she inherented the gun more than 20 years ago and never fired it before. the bullet went into the wall. but she says she would have been fine if she had hit the intruder. police agree. >> anybody has the right to you know keep their home and themselves safe and so she did what was necessary. >> reporter: the back door had been kicked in by the suspect who escaped the same way and was not caught. now a new security door has been installed. and another will go on the front do

and debra villalon is live now at the bay bridge. >> reporter: along that railing is where the 17-year-old, a junior from windsor high school pulled a stunt no one can believe. >> it was something we see all the time but mostly suicides. >> reporter: surfers were riding the waves when the teenager fell beside them. >> i looked at him eye to eye. not a bruise, nothing wrong with him. and he went to say he did it for fun. >> reporter: and he went to tell first rescuers that he was a jumper. he told his classmates that it would be fun to jump over. and he kept looking over the bridge. but they never thought he would jump. >> we were like, don't do it. he looked down at the water and looked back at them and smiled and then jumped off. >> reporter: the 45 students on the field trip were offered counseling. they want it made known no one dared the student to jump or egged him on. >> we would never encourage that. we were all devastated. we thought they were dead. >> it's a miracle. not many people survive this fall. it's a miracle. >> reporter: he's already been schooled by the surfers. >> he wa

and debra villalon is live now at the bay bridge. >> reporter: along that railing is where the 17-year-old, a junior from windsor high school pulled a stunt no one can believe. >> it was something we see all the time but mostly suicides. >> reporter: surfers were riding the waves when the teenager fell beside them. >> i looked at him eye to eye. not a bruise, nothing wrong with him. and he went to say he did it for fun. >> reporter: and he went to tell first rescuers that he was a jumper. he told his classmates that it would be fun to jump over. and he kept looking over the bridge. but they never thought he would jump. >> we were like, don't do it. he looked down at the water and looked back at them and smiled and then jumped off. >> reporter: the 45 students on the field trip were offered counseling. they want it made known no one dared the student to jump or egged him on. >> we would never encourage that. we were all devastated. we thought they were dead. >> it's a miracle. not many people survive this fall. it's a miracle. >> reporter: he's already been schooled by the surfers. >> he wa

debra villalon went on the water tonight where over 20 boats snapped loose and she's live in salsalito. >> we're at the harbor where the boats were towed. one of them was brought across richardson bay today. the sheen around it is residual oil, not enough to pollute. but this craft worth about $25,000 new is now worthless wood. >> they just look horrible after they come up. >> reporter: this is the same wreck seen from the boat of diver dave who shows us others that survived the rocks much better. >> these first three you see, one, two, three. >> reporter: scratched but still afloat after breaking their morings. some hanging by a thread. >> usually if we have a second or third storm coming, we'll see more. >> reporter: maria nunn who runs this salvage operation says that the economy has caused many owners to lose their boats. >> this vessel and many have been in this situation are not worth the amount of money that it takes to remove them. >> there's a couple more sinkers out there but we haven't found them yet. >> reporter: diver dave removed this boat and pumped it out. but it's like

debra villalon went on the water tonight where over 20 boats snapped loose and she's live in salsalito. >> we're at the harbor where the boats were towed. one of them was brought across richardson bay today. the sheen around it is residual oil, not enough to pollute. but this craft worth about $25,000 new is now worthless wood. >> they just look horrible after they come up. >> reporter: this is the same wreck seen from the boat of diver dave who shows us others that survived the rocks much better. >> these first three you see, one, two, three. >> reporter: scratched but still afloat after breaking their morings. some hanging by a thread. >> usually if we have a second or third storm coming, we'll see more. >> reporter: maria nunn who runs this salvage operation says that the economy has caused many owners to lose their boats. >> this vessel and many have been in this situation are not worth the amount of money that it takes to remove them. >> there's a couple more sinkers out there but we haven't found them yet. >> reporter: diver dave removed this boat and pumped it out. but it's like