>> not any more. >> reporter: and sarah davis isn't staying out any more. she's had enough. >> cold out here oh! >> reporter: woo! so it is very cold obviously. we have an update for you. the clara barton parkway between chain bridge and glen echo is closed right now due to a water main break. that water just broke -- i mean the water main broke, then the water covered the street now that water has now turned into icy hazardous conditions for drivers. the national park service will put out more information overnight. make sure when you wake up in the morning you go to nbcwashington on twitter and we'll let you know if the road is still icy and the clara barton parkway is open or closed. shomari stone. >> thank you, shomari, go warm up. >>> many schools in our area are on a delay and a handful closed tomorrow. that includes fairfax county which experienced major bus delays caused by the cold this morning. they're closing tomorrow. loudoun, prince william and fauquier counties. and manassas schools all will be closed tomorrow. closings are running on the bott

sarah researcher at the uc davis bodega marine lab don't shoot the metsenger. dominoe in the climate at change game. glacier ear melt ocean current change oxygen levels change and ocean creature move in reaction to it creature move in reaction to it. in less than one generation the california fishery as we know them could radically change or even satisfies to exist if oxygen deplateed water moves in. there are indications that the process has already begun near here. >> it means that we are lasting habitat for organism we care by. the work cop firms advance similar studies. this welcome back she took core sample from ocean bottom around the world and studied fossil record from the end of the last ice able to scientist they are like ring from a tree. >> there are if archives of environmental history. >> then change in ocean oxygen level took thousands office years to reverse. now the changes again happening more rapidly due to accelerated man made conditions. process already i are reversible. >> pete who eat fivrnlt live in col community that rely on vibrant fis

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sarah palen. >> that will be a stretch for her. >>> it's national weather person day. it's also the unveiling of the latest "sport illustrated" swimsuit edition. there is the cover model. her name is hannah davisere derek jeter. had we taken the ribbon away some people think it is one of the post-revealing covers they had. >> that ribbon is 20 times the size what she is wearing. it's revealing. >> where is she? >> she's here? >> she will be joining us for her first live interview coming up on monday. >> you will be here for that? >> a clang in the voice. >> no jeter, too, maybe he'll come. that would be nice. >> jimmy fallon is a man of his word for years, for years he vowed he would revive the sit-com of the cast "saved by the bell." >> that was night he followed through with "saved by the bell" playing a student. >> are you leaving bayside? >> yeah i love it here but i want to be on "saturday night live." [ cheers ] >> host my own talk show. who know maybe one day date nicole kidman. >> i'm so excited ♪ i'm so excited ♪ >> hey, guys friends forever? >> friends forever! >> they got that down. >> there is your outfit. >> oh that's what's trending today. >>> do you hate it when you get to the o