Starting around the world. A big bash right here in times square tonight. Ryan seacrest live with us, Jenny Mccarthy taking you behind the scenes. Its gmas new years rockin morning as we say good morning, america. Im not going to say it as well as Jenny Mccarthy just said but good morning, america. A little more bounce, amy. Gma weekend anchor dan harris is here, sara haines and tom llamas as well. We are counting down to tonights big celebration right here in times square. Take a look at the ball getting ready to drop just hours from now and the first new years celebrations have already kicked off, fireworks welcoming in 2016 in auckland, any zealand. It blows my mind that theyre so far ahead of us. They will be over their with our ball drops here. Into that. Im not great at math but able to get there. The College Football playoff. Two big bowl games kicking off on espn, the team mascots from clemson and Michigan State right there on an astroturf carpet. I dont know if you can see it. Hoping to get all four but two of them got stuck. Their planes didnt take off so we got two of them. We got sparty, though. Go green, go white, that was from my dad. All right, but first we want to get to that recordbreaking flooding devastating the midwest. Mississippi river overflowing and more than 12 Million People are under flood warnings this morning. Rob marciano is in valley park, missouri, this morning and, rob, i know you have the latest for us. Reporter good morning, amy. Its bishop an anxious night along the merrimac river. Heres the deal, this is not the river, shouldnt be. This is an interstate, interstate 44 now turned into a raging river getting around this but traffic really the least of their worries. This morning, a recordbreaking flood drowning the midwest. Swallowing up neighborhoods, homes uprooted, some floating downstream. Bridges submerged littered with debris. Rising rivers making at least 200 roads impassable. The whole entire highway is shut down. Its unbelievable. Reporter interstate 44 and route 141 shut down tuesday. These traffic lights the only sign of a once busy roadway below. Theres supposed to be two major highways and a couple days ago it was full of cars and truck, now nothing but water. Reporter overnight a third major highway, interstate 55, parts of it closed backing traffic up for miles. A flood in the winter is dangerous. Everybody, keep a good attitude its going to be a while. Reporter urging residents to another man and his dog trapped on a roof overnight until they could be rescued by raft. In high ridge, missouri, a water plant engulfed closing down tuesday and cutting off water to 20,000 residents. Its pretty scary right now. Reporter this levee in valley park dangerously close to collapse. Hastily patched with plywood and missouri, not the only flooded state. Ive never seen it like this. Reporter parts of north carolina, florida and georgia also hit with winter flooding. A surreal sight, no doubt about it. This is where the river is cresting. It will be slowly receding but, you know, the levees are having a hard time holding up here. This is not the only river that is still rising so weve got issues going forward. Multiple flood warnings out. Take a look at this map. All the Mississippi River drainage has to feed into that mighty river so its going to take several days, if not a couple of weeks into the new year. Meanwhile, flash flood watches still posted for the southeast the carolinas, theyll be slowly dropped from north to south but heavy rain across the gulf coast for new years eve. Mostly dry, i think, for tonight and chilly, seasonably cold and the good news here, dan, is that there is no forecast rain for at least a week here. A silver lining, indeed. Lets turn to new years eve and the security precautions around the world as we head into tonights big celebrations. The nypd deploying thousands of officers to protect times square amidst an overseas threat warning of possible attacks on three major cities including new york. Abcs phillip mena is on the story. Reporter dan, good morning. People are already lining up out here in times square trying to snag a spot to see the ball drop at midnight and when it does there will be 6,000 Police Officers rooftop snipers and helicopters in this area keeping an eye out for anything or anyone suspicious. Authorities say while there are aimed at new york, the nypd is reminding their personnel that the city does remain a top spot for target for terrorists and security will be heightened in washington, d. C. And los angeles ahead of events there. Concern over a potential terrorist attack prompted officials in paris and brussels to cancel holiday events, but here in times square the show will go on and we are expecting a Million People down here to celebrate and authorities believe that these extra precautions will help keep everyone here safe. Yeah, police said times square will be one of the safest places on earth tonight. Phillip mena, thank you. Dan, thank you. Now to breaking news in the socalled affluenza teen. Ethan couch, his mother tonya back on american soil arriving in los angeles just hours ago. Abcs matt gutman has the latest from guadalajara, mexico. Reporter good morning, amy. A very stonefaced looking tonya couch didnt answer reporters questions. Her son ethan bundled out of that facility and taken to it was another legal reprieve for the affluenza teen whose lawyers helped him avoid a single day in prison after he pled guilty to killing four people in that drunk driving crash. Just hours ago tonya couch hauled back to the u. S. Grimfaced as u. S. Marshals escorted her in handcuffs through Los Angeles International airport. She faces a possible two to ten year sentence for hindering the apprehension of 18yearold son ethan. Abc news spotted ethan in guadalajara, mexico, escorted into this van at this immigration Detention Center. The van speeding out of thehe garage. We believe ethan couch is in that van that just rushed out of here. We saw him moments ago being moved from one side of this Detention Center to the other side. And mexican authorities confirming overnight to abc news he was sent to mexico city, his third city since his arrest monday. Mexican Authorities Say hell be held until the end of these immigration proceedings. Mexican Detention Center spent behind those locked gates. So youve been inside. Whats it like . We got two Holding Cells to hold detainees until they figure out the situation. Reporter tonya couchs lawyer speaking out for the first time. Put yourself in tonyas shoes. What would you do if you were a parent with a son who is the most hated boy in america. What would you do to protect him . Reporter texas authorities called it something else, hindering the apprehension of a fugitive. With the couches now in custody were learning more about their time as fugitives here in mexico. In this exclusive video you can see tonya couch saunter into this butcher shop trying to pay in dollars. And ethan just two hours before his capture seemingly at ease in his life as a fugitive. With the backwards hat and freshly dyed jet black hair. Thank you, my friend. Reporter for people who tried very hard to avoid lockup spend a lot of time in detention. Tonya couch will probably be in a u. S. Marshals facility until saturday or sunday and ethan could spend weeks here as his immigration process plays out. Amam all right, matt gutman with the latest and you can find out much more about the ethan couch tomorrow on a special 20 20, end of the road, right here on abc. A big show tomorrow night. We turn now to donald trump ramping up the rhetoric this morning. Its your voice, your vote, and the latest twists in the race for the white house yet again involves the republican frontrunner. Trump now declaring war, thats a direct quote, on opponents Hillary Clinton and jeb bush even calling them enemies, Abcs Cecilia Vega has the latest on that. Cecilia, good morning. Reporter yet again is right. Happy new year, this may be the 2016 race for the white house but this morning there is just one word to describe it, an allout war. It is donald trump rapidfire. Ahorrible. Women dont like hillary. I just have to turn off the television so many types. She just gives me a headache. Reporter this morning Hillary Clinton in the bullseye once again. She said hes got a hes demonstrated a penchant, i demonstrated a penchant for sexism. Can you believe it . Me. Nobody respects women more than donald trump. That i can tell you. Reporter trump even pulling out that famous line hes used on jeb bush and recycling it for her. Low energy can be applied to hillary. I just dont like to use the same thing twice on one of my enemies, right, because i consider them enemies. Reporter but the gop frontrunner now has his sights set on another target. She wants to accuse me of things and the husband is one of the great abusers of the world. Difficult me a break. Reporter he made tabloid headlines himself and now hurling his harshest words at bill clinton and Trump Supporters showing up to this thousands are eating it up. Onetime friends, now in a heated battle reaching fever pitch. So far, no comment from the clintons on this war of words, not likely to cool down they time soon. We view this as war. Dont we view this as war . Reporter war is the word he is using. We will not see trump or clinton again until 2016, not that far away but bill and donald will come close to being facetoface when they campaign a few miles apart. Finally it will be a huge year. We do get a little bit of a breather before then. We do . 24 hours. Because i got to go to New Hampshire sure. I dont know about you. Thanks, cecilia. Now to a midair scare. An air canada flight ran into violent turbulence and was forced to make an emergency landing. More than 20 passengers injured. Several taken off on stretchers. Abcs david kerley is at Reagan National airport with the latest on that, good morning, david. Reporter morning, amy. This hit so quickly so many decided to divert and get the plane on the ground so they could get medical help. Overnight, new photos from inside the air canada flight which was forced to divert because of severe turbulence. Were being told there are four serious injuries. Will require assistance. Reporter passenger pictures showing oxygen masks deployed, trash and belongings littering the floor all a result of the sudden turbulence which tossed the plane around. It was just like the roller coaster, the plane would just go down very straight and go down and lotstsf screaming. Were just helping one person. Reporter some of the passengers removed on stretchers with neck braces, in all 21 passengers including three children were hurt and taken to local hospitals. The boeing 777 was carrying 351 passengers and crew on a flight from shanghai to toronto. But over Western North america that turbulence hit and the passengers complaining of neck, back and rib injuries. We dont have patients that have greater injury or none are lifethreatening. Reporter as crews were treating passengers canadas Transportation Safety board started its investigation. None of the injuries were lifethreatening. The good news most of the passengers were released overnight. That is good news, indeed. David kerley, thanks so much. Turn to abcs tom llamas with the other top developing stories starting with breaking news out of france. Thats right. Good morning. Authorities make a tenth arrest in connection to last months paris attacks. The 22yearold man was picked up this morning in the same house in brussels where its thought one of the paris terrorists hid after the attacks. Police seized continue cell phones but found no weapons or explosives. Bp is evacuating hundreds of workers from one of its oil fields in the north sea. At least one of the platforms is thats heading right towards it in rough seas. Caitlin jenner reached a settlement in the crash. And territories to be paid by the Insurance Company not disclosed. No Winning Ticket drawn in last nights powerball so the jackpot for saturdays drawing, at least 334 million, i nice belated holl day present if you win, five tickets sold in california a a pennsylvania have five correct news. That only gets you a million bucks. So not fair. Finally one grandmothers reaction to her Christmas Present goes viral. Mary anne davis unwrapped a Christmas Gift from her family. It was a calendar featuring local firemen in her town. I dont think i can stand this. Oh. Ooh. The 80yearold is a great grandmother to 12. The idea was maybe send some firefighters over to visit but that may induce a heart attack she was so excited. Grandchildren were like, whats grandma doing. Theyll be even more surprised when she starts lighting fires. Calling 911. Dan did i say that out loud . Sorery sorry. Sports fans are getting excited not only is it new years eve it is also game day, the College Football playoff semifinals kick off with oklahoma taking on clemson and Michigan State facing off against alabama. Espns sage steele is here breaking it all down. You may recall a year ago there was tons of excitement because it was the first year of the long awaited fourteam playoff format in College Football so this year even more excitement because these two playoff games are being played on arguably the Biggest Party day of the year, new years eve heres a preview. 128 teams. Touchdown. 14 weeks of football and it all comes down to this, four teams hoping to ring in 2016 with a trip to the College Football playoffational championship game. Hes in, touchdown. Reporter oklahoma which didnt even crack the top 25 last season has blazed into the semifinals behind baker mayfield. Mayfield. Scrambling. Fires into the end zone for a touchdown. Reporter he went from a walkon at texas tech, transferred and now leads one of College Footballs most high highpowered offenses. The sooners make this a bidlamb beatdown. Reporter but to start the new year with a shot at the trophy they have to make it past number one clemson. Across the 10, 5, into the end zone. Touchdown. Tonight it was our turn and were division champs. Reporter the winner will get watch the number two crimson take on the 121 Michigan State spartans. Michigan state which hadnt won at all in 50 years have turned shocking upsets into an art form ending ohio states streak. The ball is free. Reporter and stunning their rivals from ann arbor and the entire world with this blocked punt turned touchdown. And he scores. Love that. Keep this in mind its actually a rematch of last years Russell Athletic bowl when clemson beat oklahoma by 36 points and killed them so that revenge word just may play a role in tonights game for the sooners not that any of us would know anything about revenge, right, you guys . I just know those games are going to be on in my house because everyone is rooting for Michigan State. Im a lancing girl. My dad went to Michigan State. My grandpa went to Michigan State. Nobody is with me. Im with you. Sage, you and i can talk a little later. Semifinals are on espn today. Oklahoma against clemson, 4 p. M. Eastern and Michigan State tackling alabama i like how i said tackling. Sans well talk to you in a bit. Rob in missouri. Rob. Hey, amy. I hope the sparties do well for you. I have never seen anything like this. Not when its rushing like this and like class one or two rapids. This is cresting but heavy rain out across parts of 9the southeast from the florida of texas. And theres so much more ahead this morning. Bill cosby charged with indecent assault now out on a Million Dollar bail and possibly facing ten years in prison. We will talk to his lawyeye about the highprofile case coming up live. The big freeze is on the way. Potentially sending your heating bill through the roof. The temperatures hit new lows. Keep it right here on gma. Its the walmart clearance event. Starting now, youll find all kinds of low prices. On select apparel, christmas d\cor, and toys. But hurry before these low clearance prices float away. I dont have like a pair of jeans im trying to get into; ive been down that road honey child. And i dont have like a dress or some big red carpet thing i have to do. Im really just looking at 2016, as the year of my best body; thats what i want for you too. I did it. Do it. Take the natures bounty hair, skin and nails challenge. If your hair, skin and nails dont look more beautiful, well give you your money back. I did it. And i feel beautiful. Visit naturesbounty. Com for details. How else do you think he gets around so fast . Take the reins this holiday and get the mercedesbenz youve always wanted during the winter event. Hurry, offers end january 4th im billy, and i quit smoking with chantix. I dont know that i can put into words how happy i was when i quit. Its like losing some baggage, i dont have to carry it around with me anymore. Chantix made it possible for me to quit smoking. Is proven to help people quit smoking. Chantix definitely helped reduce my urge to smoke. Some people had changes in behavior, thinking or mood, hostility, agitation, depressed mood and suicidal thoughts or actions while taking or after stopping chantix. Some had seizures while taking chantix. If you have any of these, stop chantix and call your doctor right away. Tell your doctor about any history of Mental Health problems, which could get worse or of seizures. Dont take chantix if youve had a serious allergic or skin reaction to it. If you have these, stop chantix and call your doctor right away as some can be lifethreatening. Tell your doctor if you have heart or blood vessel problems, or