moment. first to our chief meteorologist bill martin who is tracking the hurricane's path. >> it is now a tropical storm, that is good news but it is dumping rain. you see the heavy rain bands over new orleans. some areas seen this much rain, closer here, one of these stations, 17 inches of rain. that is in 24 hours. this weather system is powerful. look at the forecast. it is a tropical storm. watch what happens, it stays there. look that rain band over new orleans. this is about rain. the winds are dying down but we are talking another foot of rain. you see the rain moves out of the area but rain intos thursday and friday. so -- rain continues into thursday and friday. so we are looking that system, i will be tracking it and we will keep you posted. right now to new orleans with the latest on rescue efforts.

because it has been a lot of rain and quite a bit of rain. >> reporter: isaac may have been down graded to a tropical storm but it is just as relentless as ever, the rain will not stop and the threat of flooding still looms. isaac swept through the gulf coast wednesday, dozens of people who didn't follow evacuation orders have been rescued from flooded homes. >> we were going to try to leave and we didn't because we had no wear to go. >> reporter: hundreds of thousands are without power and isaac keeps churning. disaster striking twice for those who went through hurricane katrina. >> i didn't think it would happen again. >> we left with hurricane katrina but that is it. had enough. >> reporter: as the storm moves inland it could bring over a

foot of rain to the region. >> this storm is a slow moving storm. it will be moving through our state, we will be dealing with the storm through friday morning. the flooding isn't over yet. new orleans' mayor warned residents to stay prepared. >> in the city of new orleans i would like to say now is not the time to let your guard down. stay hunkered down, stay inside and stay on task. >> i have more damage for this storm than hurricane katrina. >> reporter: it will continue to weaken as it moves over land the next 48 hours. >> reporter: new orleans tonight is under a dusk to dawn curfew. the storm will have been over louisiana for 50 hours, 50 hours if it leaves by friday morning. reporting live from new orleans, back to you. >> the bay area rescue task

force is ready to help in louisiana if called on. >> ann rubin is live where she spoke with rescuers about the lessons learned during hurricane katrina that could save lives now. >> reporter: california's task force trained here, practicing rescues. they are skills they put to the test during hurricane katrina. >> reporter: they call it new orleans deja vu. images of isaac bringing back memories of hurricane katrina striking 7 years ago today. >> it is not as significant as hurricane katrina but they are getting hit again. >> reporter: they were there supplying rescue specialists during the worst of hurricane katrina. we caught up with them the day they saved 501 people from their flooded homes. >> we felt a sense of

accomplishment. >> we thought we were doing -- we did do a great job. when we got home we never understood that people saw it as a failure. >> reporter: there were problem that raised questions for the crews. >> were we doing any good because we are pulling them out of a flood zone but there is no support for them. >> reporter: a lot has changed in the last 7 years. much of the support is already in place for victims of isaac. and while it seems unlikely they will get the call they be 60,000 pounds of equipment ready to roll and bags are packed. starting september 1 they are on top of the on-call list. >> if our country calls we will go. that is what we are here for. >> reporter: they will ease up on the training here because they need to be ready to

deploy. live, ann rubin, ktvu channel 2 news. you can download the ktvu ipad app 24 hours a day on your ipad. the latest headlines, school across the stop and tap on them -- scroll across them and tap on them. woman said she became ill after staying at yosemite national park. >> by wednesday i couldn't get out of bed. felt a heaviness to my chest. >> blood tests shows she has been exposed to hantavirus. four other people also came down with hantavirus, two died. it is carried by rodents. ktvu's christien kafton is live in san francisco where he got

new information about people being notified about the deadly disease. >> reporter: that number was 1700, we learned the number is now 2900 people have been called, e-mailed or received letters like this notifying them they may have been exposed to hantavirus. patients who express symptoms could symptoms hantavirus could end up in the hospital. >> reporter: the national park service is contacting 1700 park visitors to let them know they have been exposed to hantavirus. he is a specialist he says the disease inkue baits for 5

weeks. >> shortness of breath and a cough, we have to put the patient on ventilation, on machines to support breathing. >> reporter: early detection and treatment are the keys to saving lives. >> hantavirus has a mortality rate of 38%. >> reporter: there is no vaccine and no cure. it has to run its course. hantavirus was diagnosed in the early 1990s. >> it is very important for doctors to be aware that in patients that have the history, they have to consider hantavirus as a possibility. >> reporter: again, this afternoon, 2900 people received notification about the responsible exposure to hantavirus. cdc are issuing a nationwide

alert to medical officials, and again, one more note, there is no worries about a wider outbreak, hantavirus can't be spread from person to person. live in san francisco, christien kafton, ktvu channel 2 news. a campaign is under way to get supervisors to change their minds about a water front development project. ktvu's mike mibach is live in the city with the information that opponents are hoping that will sway city leaders. >> reporter: supervisors have to go on record tuesday and if they don't reverse their first vote this view could change for those folks walking along this part of the embarcadero. >> reporter: a rally on the steps outside of city hall. also known as 8 washington. a condo slated to be built on

prime water front property north of washington. >> eye sore. >> reporter: they collected 31,000 signatures to qualify a referendum for the 2013 city ballot changing the -- challenging the height. >> voters are with us. the board of supervisors voted in favor of increasing the height to 136 feet but now the board is scheduled to vote again on tuesday. he is trying to lobby three supervisors, all three voted yes and now he wants them to vote no because the polls show they are against the height limit. >> we came out today to give them a chance to do what the

people want. if they don't the people will decide for them. >> reporter: just got off the phone with a spokesman, he says the only thing that changed is a misleading paid signature drive. the project has been in the works in 7 years. it is alive. mike mibach, ktvu channel 2 news. developing news out of contra costa county. one man is dead. the sheriff's deputy says the man was digging around a pillar that supports the dock there. it pelfell on -- it fell on top of the man and killed him. another top executive left zynga. the chief creative officer announced he will launch a new start up.

he departmented three weeks ago. -- departed three weeks ago. shares closed below $3 a share today. john mccain spoke at the republican national convention on what happens to be his 76th burt day. john mccain slammed the white house over leaks of classified information for political gain. >> we can't afford to have the security of our nation and those who defend it endangered because the government leaks the secrets of their operations to the media. >> tonight it will be wisconsin congressman paul ryan's turn and in excerpts of the speech, he says he and mitt romney will solve this nation's economic's problem. ktvu's ken pritchett will have a live report on paul ryan's speech tonight on the 10:00

p.m. news and a programming note, ktvu channel 2 news will air mitt romney's speech tomorrow night, he is expected to speak at 10:00 p.m. so the raiders game will be aired on tv 36. demolition will begin next week on the bart station. starting next week crews expected to start tearing down building to make way for the new line. a school struggles to recover after this bursts, floods the neighborhoodb and cause as sink hole -- neighborhood and causes a sink hole. >> the work that is catching a lot of attention.

flames destroyed a south bay nursery over night. the fire broke out before midnight that summer winds nursery on almaden expressway and branham road. firefighters had to led the fertilizers and pesticides inside to burn off to keep toxins from getting into the river. the building was a total loss, the owner plans to reopen as soon as possible. we got a look at the flooding caused by a water main break and sink hole in san francisco. ktvu's david stevenson tells us how students handled that emergency. >> reporter: let's look at a couple things. this is the pipe, part of it that ruptured tuesday morning and caused the flood.

this is the by pass that was built to allow cars to get out of the area and here is the sink hole. >> reporter: administrators counted their blessings. >> the school will be back in session day after labor day. in good shape. all new carpet. the children will be ready to learn. >> reporter: two classrooms and offices were damaged when a coupling on a pipeline ruptured. cell phone video captured the flooding. he said the water came without warning warning and rose fast. >> in the middle of class, and the water was 2 feet high and

then the -- started flooding. >> the kids handled it really well. they got them up and got parents to pick them up. >> reporter: they work to reopen the campus next tuesday. >> heart breaking. >> reporter: the volleyball team is now without a place to practice. >> we got a call from another school that said they welcome our teams to practice with them. >> reporter: and as of tonight there is no damage estimates from the public utilities commission as they continue to investigate what caused the rupture. david stevenson, ktvu channel 2 news. ktvu obtained records from the chevron refinery in richmond. the cal-osha records list 19 inspections since 2005.

5 of them were done in 2010. last year there were three and this year none. cal-osha declined our quests for interview -- our requests for interviews. by one vote residents in contra costa county turned down buying swallowed up by a neighboring city. people along interstate 680ed voted by mail to become part -- 680 voted by mail to become part of martinez. some artists armed with paper and tape added flair to a san francisco art museum. they attached paper crane as to

the asian art museum. the birds spell out the words fly. >> something like this is an expression of someone's feelings and art. and the cranes, it is just really lovely. >> the museum says it has no plans to remove the art work. a group claims it created that installation. fog free that coast right now. you knew that. beautiful evening. sunset towards the avenues. good thing this time of year. fog free here but tonight patchy fog and by late friday, early friday morning, we will see fog. there is a change in the weather coming, more fog and cooler weather friday and saturday. the forecast for tomorrow, clear, fog develops, cooling

begins tomorrow and the weekend, morning fog. so there -- over night lows. 55 in concord. 54 livermore. next couple days, dealing with more fog and the weather system to the north will ramp things up and cool things off. fog off shore tomorrow morning. it will be patchy. fog towards the pacifica area. look at the main bank. that is going to push in as we get into thursday night, friday morning. temperatures tomorrow, cooler than today. 90s work their way east. and as we go into the bulk of -- friday and saturday, marine layer stretches out and the fog comes rushing in over the coastal hills and drops temperatures down. out of the 90s. inland will be cooler. warmest day will be today of the week and 90s we saw today

will be replaced with 80s tomorrow and 70s saturday. cooling trend, thursday and friday it drops off. the forecast is for a cooling trend. that helps fire danger and air quality. 87 fairfield. temperatures for thursday. and they are 4-5 degrees cooler than today. 87 gilroy. 73 santa cruz. along the coast, patchy fog and more friday. five-day forecast with your bay area weekend in view shakes out like this. big story continues to be tropical storm isaac and at 10:00 p.m. we will be all over that, it is happening now. hurricane is done but the rain is continuing. >> thank you. coming up on bay area news at 7:00 on tv 36 we are monitoring clean up around that sink hole in san francisco,

hear about the frustration being felt by one res dependent and an update from new orleans and a gop convention update join us for these stories and more on bay area news at 7:00 on tv 36. and sports director mark ibanez is coming up next.

crews in contra costa county will be out fogging tomorrow night to kill mosquitos that carry west nile virus. the fogging starts at dusk tomorrow night and end by 11:00 p.m. >> mark is here now with sports. this baseball season, great season, giants and a's looking good. >> the giants down in houston trying to pick on the astros. fist inning, sandoval, pagan, dunks one into left center field. he will take that all night long. 1-0. it gets better in a few more minutes. hunter pence, trug he just pounds one to left center

field. 3-run home runner. 4- 0. astros cut it to 4-3, knocking barry zito out of the game. the giants will have to win to not lose ground to the dodgers. a. j. ellis , a grand slam, dodgers up 10-1. no big deal. the rockies score 7 runs in the 8th inning. men on in the 9th. dodgers win it 10-8. and the beat goes on for the a's in cleveland. they wish they could play there all the time. the a's are performing. down 2-0. two on for josh donaldson and ticket to ride. 3 run homer. they are leading 5-2 in the 7 7th inning. and a shout out to the raiders fan, we will televise the game tomorrow on our sister station

at 7:00 p.m. kicu. that is the sporting life. giants and a's highlights tonight at 11:00 p.m. wisconsin congressman paul ryan received a look today inside the gop convention hall. coming up tonight on the 10:00 p.m. news, live to floor for the impact his address is having on republican delegates and thank you for trusting ktvu channel 2 news. íú