moment. and the back and forth at the rose bowl. georgia and oklahoma taking it to double overtime. but only one is heading to the national championship game. it is tuesday, january 2nd. from abc news, this is "world news now." the best laid plans, we thought all right, we'll have a beautiful shot of all the people in times square suffering through the cold at this hour. >> yeah. >> and there goes laura and becky. they seem to be freezing, don't they? the overnight temperatures. >> oh, there's sam and joe. >> sam, yeah. yeah. >> this just means that people in new york, both tourists and locals are smarter. >> smart enough to know if it's 15 degrees overnight. >> i'm going to stay inside. >> exactly. a large part of the country is dealing with the cold gripping the nation. >> we are seeing temperatures as low as any in the past century, even in the middle of the night. you saw the two people in it's in the teens right now in new york city and it feels like minus six. >> yeah. so later this morning it will feel like 20 below in the midwest, as well as new england. zero in washington, d.c., wow. and only the teens in the south. so erielle reshef gets us started. >> reporter: 2018 off to a bone-chilling start. spectators at philly's famous mummers parade bundled head to toe as the deep freeze grips nearly two-thirds of the country, responsible for at least five deaths. in st. paul, minnesota, ten people taken to the hospital for carbon monoxide poisoning. authorities believe a faulty boiler is to blame. firefighters battling this house fire in lincoln, nebraska, in negative 10 degree temperatures, spraying water that quickly turned to ice. in times square, to the hospital, the coldest new year's celebration in a century. at this hour, wind chill alerts stretching into the deep south. in dallas-ft. worth area, this officer slipping on the ice, narrowly missed by this car. sfwl >> you're afraid to stop because somebody will hit you. >> reporter: bringing lake-effect snow to erie, pennsylvania. >> the roof has too much weight. >> reporter: this weekend, workers using massive tarps and a crane to lift snow off this shopping center and into the parking lot below. it has been in the teens in new york all day and hasn't been above freezing since christmas. we're on tap to have the longest stretch of freezing weather in decades. >> it's not going away ati accuweather's paul williams. >> we're looking for unseasonably cold weather in charlotte, charleston, tampa, jackson, mississippi and all the way towards houston. not only there, but we're looking for the cold air to stay persistent through the northeast and the arctic chill to punch its way across. and the coldest weather to wraparound the north central part of the country. let's talk about something here. bli blizzard expected throughout portions of the northeast. it's going to set up with unusually cold air, 30 and below, brutal cold, then we watch out for two scenarios, if the low swings a little closer to us, we are watching out for a major snowstorm that could bring feet of snow along the east coast. kendis, diane? >> feet of snow. wow. and president trump is getting back to work following a 11-day stay at his resort in florida. he arrived back at the white house tweeting. he slammed the iranian government saying it's time for a change. in another tweet, he accused pakistan of lies and deceit. he is facing a hefty to-do list. he's planning to roll out his infrastructure plan for starters, and he wants to work out a deal for so-called d.r.e.a.m.ers. and north korea started out the new year by issuing a fresh threat to the united states, warning that his nuclear threats are a reality, the nuclear button is on his desk. president trump responded by saying "we'll see." kim jong un also said his country might send a delegation to the winter olympics in south korea and seoul is offering to hold high-level talks to discuss that option. a team from the national transportation safety board is joining the investigation into the crash that killed ten americans in costa rica. they're looking at strong winds as a likely factor but not ruling out possible mechanical problems. the small plane went down sunday shortly after takeoff killing two american families, a tour guide from wisconsin and their two local pilots. the family, the steinbergs there. and from florida, mitchell and leslie weiss. both doctors, traveling with their two kids. and just hours ago, a southwest airlines flight was forced to return to seattle over a problem with the nose gear. the plane was heading to baltimore who t baltimore when the mechanical issue popped up. they had to circle over new york state before circling back to seatac. one child is 7 and the other is 14, and an amber alert comes after a mother had been found dead inside a home. they searching for a 44-year-old man who also the death and possibly connected to the girls' disappearance. they suspect he may be heading for louisiana. and tennessee authorities are searching for two gunmen suspected of shooting two memphis area officers. an altercation broke out at a club. the officers were shot, both officers were hit as was a club goer, they are expected to be okay. a third suspect was arrested on monday morning. now to the small community of highlands ranch, colorado which is in mourning this morn. a candlelight vigil was held to honor zachary parish. four other officers and two civilians were injured. people are bringing flowers, cards and other items, memorials for the officers. we're also learning new details about the gunman, an iraq war veteran with a troubled history. clayton sandell has more. >> reporter: in highlands ranch, colorado, 2018 is beginning with a life ending. >> shots fired, shots fired! >> reporter: five officers responding to a disturbance call early sunday and two krifrcivil shot in a violent ambush. 29-year-old zachary parish, married with two young daughters was killed. >> we have one deputy down inside the apartment. >> reporter: four of the wounded officers are out of the hospital. >> libertarian candidate. >> reporter: the gunman, 37-year-old matthew riehl was killed by an s.w.a.t. team. he was already on police radar. after several incoherent facebook rants against the school last fall, they warned students and faculty if they saw him to call police. >> law enforcement has to consider indicators of somebody having mental health issues and are planning to commit a crime or capable of committing one. >> reporter: he also served in the wyoming national guard, deploying to iraq in 2009, an honorable discharge in 2012. and you can see how intense the firefight was. you see the building riddled with bullet holes. the windows broken, not just here but on buildings around it, the suspect fired more than 100 shots. and californians kicked off the new year with a new law and long lines. it's now legal for those 21 and older to buy pot for recreational use. so the lines started forming early outside the roughly 90 retailers who got licenses to open on new year's day. you can't light up anywhere cigarettes rnt cigarette aren't allowed. the highway patrol is bracing for an the annual new year's day polar plunge went on as planned with dozens of people taking part in milwaukee. the air temperature was minus 3. >> oh, my god. >> which made the water seem balmy at 33 degrees. >> that's not that bad. it was a bit warmer in brooklyn, new york as the coney island polar bear club took a plunge into the atlantic there. hear them roar. the air temperature, 15 degrees, estimated 1200 people took part. >> 15 degrees and 1,200 people still part. >> yeah, i know i signed up, but would they really miss me? >> they're not going to notice i'm not there. no thank you. no thank >> all right, good on them. coming up in the mix. the flight that took off in 2008 and landed in 2017. >> plus, our bowl game wrap up, including one of the most exciting games in rose bowl history. but first, if you want to escape the cold, why not get some of the best travel deals out there for the new year. >> i like that. >> they're already happening and you can check out the behind the scenes pictures on instagram, abc wnn. you're watching "world news now." for a quick and convenient clean, try swiffer wetjet. there's no heavy bucket, or mop to wring out, because the absorb and lock technology traps dirt and liquid inside the pad. it's safe to use on all finished surfaces tile, laminate and hardwood. and it prevents streaks and hazing better than a micro fiber strip mop, giving you a thorough clean the first time. for a convenient clean, try swiffer wetjet with a money back guarantee. brand power. helping you buy better. check out this video of a dramatic coast guard rescue in florida. an 89 year old man rolled his car through a guardrail into waters off panama city coast. the coast guard pulled the man to safety. he had a medical issue that caused him to drive off the side of the marina. happy to report he's expected to be okay. and now to a consumer alert. now may be the best time to buy airline tinckets for a winter gt away. >> this right now is the best. here's rebecca jarvis. >> reporter: if the post holiday blues have you dreaming of that perfect winter get away, the time to book a flight is now. >> i think you're going to see a lot of deals through the of january that will extend through spring and up to summer. >> reporter: the cheapest dates to fly, january 9 through most of march. tickets discounted 16% to 36% below average prices. we found cross country flights from new york to san francisco on virgin airlines for $119 each way. this trip on united, chicago to orlando, florida, less than $150 round trip, even international destinations on sale, like providence to dublin on norwegian air. one way tickets as low as $99. to find the best first for you? >> i think google flights is really simple. you could sign up for like travel zoo. that's my personal favorite. >> reporter: rebecca jarvis, abc news, new york. >> you want to take one guess at what i did last week? >> you picked the worst time to book now is a good time. everybody knows that. >> i can't go back like you do in the retail stores and show you the receipt and say i would like the discount please? does that not work with airfare? >> also good deals is the flight deal from maui to san jose for $320. >> you couldn't have told me that four days ago? >> or phoenix to omaha, which is great this time of year, $94 round trip. >> i can't talk about this anymore. coming up in the next half hour, "the bachelor's" back with the not-to-new leading man. the bachelor analyst is on the case. >> but first, the nail-biter last night in pasadena. who came out on top between georgia and oklahoma? that's next on "world news now." how can you make your hair even stronger? itioner. their pro-v formula is like a multi-vitamin. making your hair 2x stronger see the difference when you add 3 minute miracle daily conditioner. ♪ all right, so new year's day featured five college football games, but the big focus seemed to be on the final two. >> oklahoma and georgia played a classic in the rose bowl a in the first semi-final of the college playoffs. the game tied at 45. on to overtime. >> yeah. teams traded field goals in the first o.t. the bulldogs block it, game still tied at 48. >> so the ball goes to georgia. all the bulldogs need is a score and here comes sonny michelle. >> ooh. >> who took the handoff there. speak. >> now it's michelle's turn, running all the way, gets to the edge. sonny michelle will send the dogs on to the championship game! >> he's going to be popular there in athens. >> you think? >> that 54-4 w all the way back to georgia. to play monday's national championship game in atlanta. that was the highest-scoring rose bowl, by the way, in history. they even got fireworks and stuff. right after it ended, uga fans crashed stub hub looking for tickets. the cheapest available is just over $2,000. >> go uga, go! that's cheer, right? the second semi-final. >> monday, the crimson tide's defense rolled on both sides of the ball as you can see. >> roll tide. >> exactly. >> minutes after pick being oi e pass, darren payne, there he is with that pass. clemson's next possession, matt wi they were excited. they were like, this is why we voted for nick saban to be our next senator in alabama. the crimson tide makes it an all sec showdown for the title. michigan melted under the sun. they met the wolverines and the gamecocks came roaring back. score 23 straight points, knocking michigan off, 26-19. >> notre dame facing lsu in the citrus bowl. irish managed to pull out a thriller. miles boykin made an incredible one-hand grab. down the line he goes. notre dame winning 21-17. now let's check in with our senior global chief national football analyst contributor, jack sheehan. he gave us his prediction, he had south carolina winning 26-19 against michigan wins 23-14. notre dame he had up 21-17. jack was correct. notre dame won the game, wrong on the spread. uga/oklahoma, jack was wrong on that one. >> two for two overall. it's never much, just what's left after i break a dollar. and i never thought i could get quality life insurance with my spare change. neither did i. until i saw a commercial for the colonial penn program. imagine people our age getting life insurance at such an affordable rate. it's true. if you're 50 to 85, you can get guaranteed acceptance life insurance through the colonial penn program for less than 35 cents a day, just $9.95 a month. there's no medical exam and no health questions. you know, the average cost of a funeral is over $8,300. now that's a big burden to leave your loved ones. you cannot be turned down because of your health. your premium never goes up and your benefit never goes down due to age. plus, your coverage builds cash value over time. call now for free information and a free gift. all i did was make a phone call and all of my questions about the colonial penn program were answered. it couldn't have been any easier and we both got the coverage we should have had for years now. mm-hm, with change to spare. (laughing) (colonial penn jingle) e dulcolax tablets for gentle dependable relief. suppositories for relief in minutes. and dulcoease for comfortable relief of hard stools. dulcolax. designed for dependable relief. ♪ time now for "the mix". and passengers on hawaiian islands had an interesting experience. you may have thought time travel was for fiction, no. it is real. last night, the flight took off from auckland, new zealand in 2018 and arrived in honolulu in 2017. so they left off 12:05 january 1st, arrived 9:45 a.m. december 31st. they got to celebrate the new year twice. >> the thing about that, they didn't schedule it that way. ten minutes. they were supposed to take off in 2017. they flew several hours and a year back. >> yeah, weird. and got to party it up like it's 2017 again. all over again. okay, so up there in watertown, massachusetts, a man proposed to his girlfriend using an unusual little location. there she is, all smiles after the proposal. i assume she said yes. this is eliani and bob who will never forget new year's, they were going to an event in boston, and he didn't know the address, so they pulled into a bank parking lot when she looked up and saw on the billboard there, eliani will you -- >> just a random billboard. >> just a random billboard. >> she looks pumped, they both do. congratulations to the happy couple. we all know you're very, dance. >> not good. >> we have finally found your competition. >> oh, wait. >> meet steve. he's breaking it down with his daughters. >> those are good moves. >> the family was holding a lip synch contest, and the girls begged dad to join in. so let's just say steve clearly because he agreed to participate. not only did he learn the moves but went full leotard. >> oh, man. >> needless to say, the girls were thrilled with dad's performance, so was the internet. 12 million views and counting. >> i like when he does the high kick. >> even got the leg movement there. >> got the little hip bop. yeah, the little -- >> you want to show how it's done? >> i don't know how to -- >> just give the full display. >> the full this morning on "world news now," the major computer glitch causing long lines at airports nationwide on one of the busiest travel days of the year. major airports forced to warn passengers. see what caused so much frustration. plus a new era in california. the golden state welcoming in the new year with legal recreational marijuana. but there are some hiccups, we have the latest ahead. and the voice giving new momentum to the #me too movement. >> gretchen carlson is now taking the reins of the ms. america pageant. how she hopes to make the pageant a safe space for all contestants.