Here in chicago for most of the day. And this is now the third snowiest winter in chicagos history. 62. 899 inches of the stuff so far. A thick snowfall, blustery winds and fresh layers of ice are confronting the midwest today as local governments struggle to meet another winter challenge. Snow emergencies have been declared in minnesota where before noon state police counted 157 crashes and 266 vehicles off the road. Im ready to move. Reporter driving is risky across the region. This accident took place in nebraska. Making matters worse, in ohio is a shortage of highway salt. And flying is mostly a nonstarter. At chicagos ohare, there have been 770 cancellations. Thats where shane brown manages the allimportant deicing operations for american airlines. We usually spray about 160 aa mainline aircrafts and the regional would spray well over 300. In a week. In a day. In a day. In a day. Since the beginning of november, and most of all of december and all of january, and it seems like were going to be spraying most of february. So day in and day out, the guys are deicing. A first wash at a temperature of 180 degreesni cleans the plane of ice and is followed by a second spray of antiice mix it takes about 7 to 10 minutes to do a smaller jet, 15 minutes for a big one. That aircraft should be complete, roughly 10 to 15 minutes and ready to depart, and on its way. Reporter but a thaw is on its way, james, it is supposed to be 40 degrees here tomorrow and above freezing all the way through friday which should have a big impact on the snow pack here on the ground in chicago thats been here for about two months. Dean, thank you very much. A new Scientific Study out today says the arctic is not as bright as it once was. Because more of the ice there is melting in the ocean. That means less of the suns heat is being reflected back into space making the earth warmer. As for all the cold and snow this winter, we ask the don dahler to find out whats behind the epidemic of bad weather. Reporter we will remember this as a winter of extremes. In january, daley low temperatures averaged 0 degrees or colder throughout much of the midwest. 55 inches of snow have piled up in new york, the norm for this point in the season is 17. Rutgers University ProfessorJennifer Francis says its because of the new movement of the jet stream, the river of air moving over north america and europe. The jet straem has been in this very wavy pattern this year. An when it does that, it tends to get locked in place for a long time. Reporter typically the jet stream rushes in between frigid air over the arctic and much warmer air further south. Like water moving through a tight space. Arctic temperatures have increased 3 to 4 degrees in the past 30 years. Its enough to slow jet Stream Movement down and allow it to settle over parts of the country. Thats trapped cold and wet weather to the east and south, dry and hot air has stalled over the west. These larger waves in the jet stream are causing the weather patterns to move more slowly, become more persistent and make it more likely for these unusual weather conditions that weve experienced like this winter, are going to happen more off then the future. Francis is among scientists who link the change in the jet stream to the warming of the arctic caused by the loss of 300,000 square miles of sea ice. Its not just winters that are expected to see prolonged periods of extreme weather. A Blue Ribbon Panel of scientists commissioned by new york city concluded that the number of summer days here that exceed 90 degrees will triple to 57 days a year by 2050. Don dahler, thank you very much. Well, its not just wirnt and its not just the united states. Britain has been hit by one storm after another. Not snow, but rain. Charlie dagata is there. Reporter catastrophic flooding has swallowed neighborhoods in southern england whole, worsened by yet another ferocious storm that swept in over the weekend. Its been relentless, 20 inches of rain and counting. Last month was the rainiest ever it if anything, this month has been even worse. This is the calm between the storms. That is the river thawe mes, this is usually a riverside walkway, you can see the park benches. The rain from the last storm continues to fill these rivers. And the bad news is, theres more rain on the way. For months britain has been battered by savage winter storms packing Hurricane Force winds, and torrential rain. Residents like paula burns are bracing for the next wave. That is going to make us suffer. Its justni impossible keeping up with all this water. Oh, yes, you cant keep up with it. Reporter and with rivers overflowing and the ground already saturated, theres simply nowhere for all this water to go. Charlie dagata, cbs news, england. Today a routine flight took a terrifying turn when it was hijacked by the copilot. According to one passenger he threatened to crash the Ethiopian Airlines plu the plane landed safely in geneva. Heres transportation correspondent jeff pegues. Reporter the rope dangling from the cockpit was the hijackers escape route. But the 31yearold was in custody by the time passengers one by one were escorted off the Ethiopian Airlines jet with their hands up. For them this was the end of an hour and a half ordeal. The plane had taken off from addis ababa heading for rome with 193 passengers on board including 11 americans. But when the pilot left the cockpit to use the bathroom the ethiopian copilot locked him out and hi jacked the plane. He hit a dispress signal over the sedan and directed the plane toward geneva, switzerland, where the plane began circling as he demanded asylum. Not all passengers knew what was happening. But they say the plane seemed to be falling from the sky. And they were told to put on their oxygen masks. Once the plane landed video released by the italian newspaper la republica, Police Ordered passengers to put their hands on their heads. By then the hijacker had climbed down the rope into the hands of investigators. Robert deillon runs the geneva airport. And the police was there and then he went to the police and said that he was the hijacker. The copilot is being charged with hijacking. Seymour likely to get jail time rather than asylum. He face up to 20iers in jail. James, no one was hurt. Thats good news. Jeff pegues in washington. Today the u. N. Human rights panel warned north Korean Leader kim jong un he could be held accountable for crimes against civilians. Those crimes range from systemic excuses of his people to torture, rape and mass starvation. The report compared him to the worst nazi atrocities. At the Winter Olympics today the weathers with a big story again. With temperatures in the 50s it got so foggy in the mountains above sochi, organizers had to postpone two events until tomorrow. In the medals race the u. S. Is tied with russia in first place with 18. The netherlands has 17. There are 98 medal events, 98 chances to win gold. For the host country, none is more important than mens hockey. Mark phillips discovered old feelings diehard. Its the old soviet flag old days on the music video, the Russian Hockey Team released for these games. Stirring music and scenes from great victories of long ago. With russias ven hockey heroes singing the chorus. But the new days havent been like the old days. The new days have been a bit rough. Having lost to the u. S. On saturday he scores the russians only squeaked by slovakia on sunday and now have to play a doordie game to stay in the tournament. Loss on home ice is an unthinkable prospect. Its not what the hockeyloving fans of russia expected. Its not what the hockeyloving president of russia expected. Its not what was expected by the elite group of former russian players lead by vyacheslav fetisov. The shot deflected. The first soviet player to move to the nhl an win stanley cups. He held that old trophy a lot of again today in sochi where its making a goodwill visit. Because of the involvement of the president , because of the importance of these games, are they really even perhaps under the most pressure any olympic team has faced in its home games . Its pretty big pressure when you play for the soviet treatment. He was part of the soviet team that had to regain the gold after the disaster of their loss to the u. S. . Lake placid in 1980. Dow believe in miracles yes that was pressure. But it may be nothing compared to here in sochi. With a loss here be as big as the loss in lake placid was . Could be. Reporter but theres no sympathy for the home boys here, fromni competitors like u. S. Defenceman kevin shattenkirk. Due feel any sympathy for the russians . Not really. Here these games wont be remembered for their security concerns or their enormous costs. Here, james, theyll be remembered for whether or not the russiansuj gold in hockey. Mark phillips, thank you very much. A fouryearold walked through the desert to escape thexd horrors of war. Whats causing deadly avalanches in the west. And these tiny babies had quite a surprise for their mother when the cbs evening news continue continues. [ male announcer ] thats why theres ocuvite to help protect your eye health. As you age, your eyes can lose vital nutrients. Ocuvite helps replenish key eye nutrients. Ocuvite is a vitamin made just for your eyes from the eye care experts at bausch lomb. Ocuvite has a unique formula thats just not found in any leading multivitamin. Your eyes are unique, so help protect your eye health with ocuvite. Of course i had no idea what it was. I felt like my feet were going to sleep. 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If you cant afford your medication, astrazeneca may be able to help. A fouryearold boy became a symbol today of the refugee crisis caused by the syrian war. A u. N. Official tweeted thist photo of the boy known only as marwan. He was briefly separated from his family during their journey through the Syrian Desert to jordan. The boy is one of millions of syrians who fled the war to face life in exile in neighboring countries. Elizabeth palmer has reported on the civil war from the beginning in 2011. In turkey, she reconnected with the syrian woman who was lucky to make it out. This is a story of survival. Two years ago we first met ameenah working as an antialassad activist in a rebelheld suburb ofni damascus. At night the whole area around her home came under constant shelling by the syrian army. But as bad as things were, they were about to get a lot worse. In august 2013, ameenahs neighborhood was attacked with chemical weapons. But the poison gas that killed more than a thousand people blew away from her house. And she lived to tell us in a skype call how she ran to the clinic. I asked to help, the people were screaming. Reporter it was risky, but life had ceased to mean very much by then. If i didnt die from the chemical weapon, im going to die from the starvation. Reporter that fall the Syrian Military had cut off all Food Supplies the suburbs. When the army lifted its siege long enough to allow the vulnerable to escape, ameenah managed to slip out too. Never sleeping twice in the same place, she wasni at last smuggled across the border to turkey where we cause up with her. I dont want to think about it, that this is going to last for a long time. Reporter ameenah carries with her evidence of the atrocities shes seen. Oh my god, look at that. About ten kids died the same way. Reporter starved children from her suburb. And pictures of her brothers family, including ook med, her beloved nephew blown up by a shell. This is ook med. This is do you have any regrets that you became an activist . No. Reporter survival for ameenah now looks like this. No bombs and bullets any more. But just a lonely exile from home, and from the fight she x elizabeth pauker, cbs news, istanbul. In a matter of seconds an avalanche can turn deadly. Thats coming up next. U hear th . Campbells healthy request soup lets you hear it in your heart. [ basketball bouncing ] heart healthy. [ mm. ] great taste. [ tapping ] sounds good. Campbells healthy request. Mm mm good. ® campbells healthy request. If yand youre talking toevere rheuyour rheumatologistike me, about trying or adding a biologic. This is humira, adalimumab. This is humira working to help relieve my pain. This is humira helping me through the twists and turns. This is humira helping to protect my joints from further damage. 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