venice is built on marble and solid rock. the problem, though, is when you see these high tides, these especially high tides. today is considered extraordinary. saltwater gets into places where it s not really supposed to be. the worry is when it gets into some of the bricks. yes, the water comes up quickly and leaves quickly, but the salt doesn t. so what happens then is it gets in there and makes its way out and deteriorates the rock. so there are serious questions about how much more venice can withstand before it s going to have some serious repair bills on its hands. they re already seeing that at st. mark s basilica, the bases of stone columns and old marble bases they re already having to replace. they worry if something s not done about this, it s only going to get worse. nick? scott mcclain in venice. thank you very much. finally, people magazine says singer john legend is the sexiest man alive.
companies did the best they could to get to the attic. for everybody that was on the scene. these weather conditions make it hard for us to do our job. at dozens and dozens of commuter rail lines are shut down. amtrak services stopped in and out of chicago. they ve gone to the remarkable step of setting the rails on fire. that s because in this severe cold the steel mill contract. it can crack it, it can cheer off bolts. that cracking is exactly what happened in minneapolis-st. paul on the blue line there, resulting in a number of delays. fortunately, nothing more severe than a number of delays. the minnesota department of transportation went as far as to pull the snowplow service off the streets. that s because in this severe cold the trucks were malfunctioning and they didn t want to leave your drivers stuck out of the severe conditions. understand if you get out on the road, the salt doesn t work in these conditions. assume the road as i see, or
issued winter storm watches and warnings from virginia down to the gulf coast. reporter: a rare southern winter storm stretching more than 1200 miles is expected to dump snow and ice from southern virginia into south texas. folks will be tempted to get out and cruise neighborhoods and they ll want to go look for the ice. don t do it. enjoy being at home. stay off the roads. reporter: residents were ordered to stay off the roads in south bend, indiana, to make way for an overnight blitz of snowplows. we have a list of areas where the drifts are worse than others, so we concentrate on making sure we don t lose those lanes. once they get too bad, we have to get heavy equipment out there. reporter: many communities are running out of road salt. not that it s doing much in the frigid temperatures. the salt doesn t work in these temperatures too well. gives you traction. it s not really melting anything. reporter: in parts of ohio, a rare combination of ice, wind and snow have
but it s not as cold to me because the wind isn t blowing. there s snow. there s a lot of it. so if you re walking through it or trudging through it, it s not heart attack kind of snow but there s a lot. we re talking 18 inches right here. the issue i think today, and especially just watching people come out of this restaurant, when they went into this restaurant, a couple of hours ago, this street was wet because it was full of salt and sand. but now it isn t wet anymore. the salt and sand not work. the salt doesn t work when it gets below 10 degrees. it can refreeze. and we are seeing the refreezing. so what people think was a very easy to drive road just a couple hours ago is going to turn into another skating rink. not just here in massachusetts but all the way down even toward d.c. every place that it s snowed it melted in the sun today and it s refreezing at this hour. all right well be careful on the roads if you re driving. chad appreciate it tonight. an 8-year-old boy from
anymore. the salt and sand not working. the salt doesn t work when it gets below 10 degrees. it can refreeze. and we are seeing the refreezing. so, what people think was a very easy-to-drive road just a couple of hours ago is going to turn into another skating rink, not just here in massachusetts, but it s all the way down even toward d.c. every place that it snowed, it melted in the sun today and it s refreezing at this hour. wow, all right. well, be careful on the roads if you re driving. chad, appreciate it. tonight, an 8-year-old boy from east rochester, new york, is being hailed as a hero, and i really want you to learn his name and hear his story. the story, unfortunately, does not have a happy ending. tyler doohan was staying with relatives when he realized their house was on fire in the middle of the night. he woke up six people, helped get them safely outside, and officials say tyler ran back into the mobile home to rescue his disabled grandfather. both were overcome by in