unrelenting -- rising waters in louisiana now moving south. at least 13 dead thousands of homes threatened. and here in colorado scientists have a new way to predict such devastation... seven months later and still no new leads. a family-- now offering hundreds of thousands of their missing son... and to rio -- the olympics winding down but the olympic spirit hasn't left the city. we continue our tour of rio with cheryl and matt -- and look at who could be next on team u-s-a to win the gold. good morning everyone, i'm gary shapiro with tarhonda thomas. meteorologist marty coniglio joins us.

relentless

new evacuations in southern louisiana. the destruction is overwhelming. as homeland security secretary jeh johson toured the flood zone thursday -- an editorial was released in n it urges president obama to visit the state. "fema" says more than 80-thousand people have applied for federal help. at least 13 people have died. it's hard for forecasters to keep up with such devastating floods. "that" was the exprience for forecasters here in colorado during the floods of 20-13. but now scientists in boulder are trying to make those forecasts better. the national center for atmospheric research in

forecast model for noaa. it could change the way we predict floods across the country. the way the national weather service forecasts floods now, happens based on information from specific sites.. usually on major rivers or waterways. that doesn't always help predict what could happen along smaller waterways. as it did in colorado almost three years ago. this new computer modeling is able to not just forecast what will happen at those measuring stations. but rather. take into account the entire landscape. millions of miles of waterways. across the whole country. the 31st summer olympics will be wrapping up this weekend -- with the closing ceremony on sunday. and as more athletes finish up speciaplaces setn, up as "home away from their hom" are busier than ever. cheryl preheim and matt renoux join live once again from rio. team u-s-a's home away from home

it does- and team has a great back story. it does- and team usa will leave a neat gift behind for hundreds of kids because of it. all during the olympics team usa athletes have been hanging out in the their usa house just off ipanema beach which is also a school for around 600 kids the usa house towers several stories high and has great views of the beachperfect for all the athletes looking to rest after competitionbut the building is also a schoolbefore they took the house over team usa fixed broken down walls, put in internet and wifi, installed fire safety improvements, and much more the athletes also took a picture with all 500 or so athletes in it and will leave that for the kids we are heading into the weekend before opening ceremony everyone wants to make sure they have seen all the most famous tourist sights in rio. we found enormous crowds at christ the redeemer unlike rio has ever seen before. but you can understand why anyone would wait for hours in line when you see what

from all over the world. some events to watch for today in rio -- men's hoops will take on spain in the semi finals. and it's the third round of women'sgo american stacy lewis will start just one back of the leader from south korea. in track and field -- the ic women's "four by 100" meter relay team gets to defend its gold-- after re-qualifying. they won an appeal-- after a brazilian runner interfered with their baton handoff. and "team u-s-a's" men's four-by-100 will also be racing. but they'll be up against jamaica -- and usain bolt.

four by 100 relay today he's looking to strike a third time. bolt literally ran away from the field to win the gold medal in the 200 meter. there was a huge gap between him and his compeitors. he's now won the 100 and 200 meters in an unprecendented three straight olympics. but he says this 200 meter gold was the most important. american lashawn merritt was in that race as well -- but came in sixth. bolt may be the

the 'greatest athlete' that title goes to an american. u-s-a's ashton eaton defended that title-- by winning his second-straight "gold" in the men's decathlon thursday his win ties an all- time record. and more history -- as dalilah muhummad takes the 400 meter hurdle gold. it's the first time an american woman has ever done that. it's a perfect 100 for team u-s-a -- nearly doubling the runner up on the medal count. the u-s has 35 gold, 33 silver, and 32 bronze medals -- 100 in total. china is next with

great britain with 56... russia has 44... and japan behind with 36. you know the flowering plant alfalfa?

used as an herbal drug.. and one neighborhood used to be known for it's alfalfa fields back in the 1800's. 9neighborhoods today visits berkely, that's coming up. but first-- a family desperately searching for their missing son. just how much

the flooding is unrelenting -- rising waters in louisiana now moving south. at least 13 dead thousands of homes threatened. and here in colorado scientists have a new way to predict such devastation... seven months later and still no new leads. a family-- now offering hundreds of thousands of dollars to find their missing son... and to rio -- the olympics winding down but the olympic spirit hasn't left the city. we continue our tour of rio with cheryl and matt -- and look at who could be next on team u-s-a to win the gold. good morning everyone, i'm gary shapiro with tarhonda thomas. meteorologist marty coniglio joins us. marty-rainy day ahead of us... relentless flooding is forcing new evacuations in southern louisiana. the destruction is overwhelming. as homeland security secretary jeh johson toured the flood zone thursday -- an editorial was released in baton rouge's main newspaper. it urges president obama to visit the state. "fema" says more than 80-thousand people have applied for federal help. at least 13 people have died. it's hard for forecasters to keep up with such deat forecasters here in colorado during the floods of 20-13. but now scientists in boulder are trying to make those forecasts better. the national center for atmospheric research in boulder. is part of a team putting together a new forecast model for noaa. it could change the way we predict floods across the country. the way the national weather service forecasts floods now, happens based on information from specific sites.. usually on major rivers or waterways. that doesn't always could happen alonit did in colorado althis new computer st forecast whse measuringake into account tillions the ountry. tmpics will b weekend -- witmony onletes finish up their compeset up as "home are busier th preheim and matt rfroerstand team u-s-a has a great back m usa will leave adreds of kid. all d athletes have been heir usa house jusis also a schoids the ustories high and haschperfect for a rest after compeis also a sok the fixed broken down walls, pustalled fire safety the at with all 500 or so eave thaing into the weekend before open wants to make sure thund s crowds at chke rio has ever seeunderstand why anyin line when ys to offer. anding people from all ove o watch for today il take onals. and it's the thiramerican stacy

100" meter res gold-- afterey won aer ed with their baton hann's fourng. butagainst jamaicaolt. lightni usain four by 100 reking to strike a third tim thl inere ge gap between itors. he's now weters in an ulympics. but hter gold american lashawn me as in sixth. fastesthe's not the 'greatest athlete' u-s-a's asht title-- bnd-straight "gold" in sday his wi. and more history -- aseter hurdle gold. it's the fie that. an- as dalilah muhuhurit's the first time an amerver done that. for teamdoubling tl count. the u-s haer, and 32 bronze medals - great britaind japan behind wiyou know the flowertock usuallyd as an herba drug.. used to be known bac9neighborhoorkey desperately issing son. just homation on his wherebreaking nrsey tranist bud into ocommute in newark. one wat in half. tas k pre going to keep monitorin ryde20-year-old from missing since jaate for an- and ishousand dollar reward for inf his parents are offeion that finds theirresd. the boulder county sherdisappeared ora mountain sk resort. deputies saf a mile outsiuly. but the sheriff's office says the family's rnuary -- the one year anniversary of his igate thefts in ou by nearly 30-he co decline denvhe top s and-- thieves don't. ...thlicet 15- thousand reports of ince 20-11. a day. denver p show-- 93-percfound. parents, a packing your kids your child wonch time -- it's n we have some waysd's school lunch fresh and safe t c amelia. it's friday -- which means we're giving you a tour of one part of town in our 9neighborhoods report... what makes the berkeley neighborhood special, when we come back. the start of a new school year is upon us. that means, parents... ....we're back to packing school lunches. but you want to make sure those lunches are fresh. the u-s department of agriculture has make sure those lunches are fresh. the u-s department of agriculture has a four-step plan that will keep your child's food safe. clean, separate, cook, and chill. of course, always wash your hands and clean all surfaces before starting the process. and experts say -- most importantly -- food should be kept at a safe temperature inside your child's lunchbox. you can find more information at food-safety dot- gov. in 9neighborhoods this week, we are

highland and regis, berkeley is bordered by i-70 to the north, federal boulevard to the west, west 38th avenue to the south and sheridan boulevard to the west. the first homesteaders came to the area in 1863. in the 1870s.the neighborhood was known for its alfalfa farms. by 1892, the population had exploded from a few homesteadeto a whopping 450 allee moey lines in the city. route to get to tthose days. thng that trolley linnt between of those home are about 85 hundred peod today and there's more than 65 businesses. next hour we are taking you tennyson street in the berkley neighborhood. and join our instagram tour of the neighborhood this afternoon! ryan lochte no longer being called a victim -- but a vandal. the revealing details of the night

. brian lochte no longer being called a victim but a vandal. revealing details of the night he claimed he was robbed at gunpoint. and a shake-up in the donald trump campaign and a shake-up if his attitude. the new tone for the unusually unapologetic presidential nominee is one of remorse and regret.