i'm reena ninan in new york.sponsored y cbs >>> live from the cbs bay area studios, this is kpix 5 news. >> this is what i'm dealing with right now. >> now at 6:00, wild weather shuts down a big super bowl party in miami just hours before the big game. >>> plus, changes ahead for your bay area forecast you may want to nail a few things down before tomorrow. >>> plus, a sheriff's deputy ambushed in the south bay. how his body camera saved his life by stopping a bullet. >>> and we have just learned hundreds of american evacuees from the coronavirus outbreak zone in china could soon be headed for a bay area military base. i'm juliette goodrich. starting tomorrow, sfo will be one of just seven u.s. airports accepting flights from china as the wuhan coronavirus continues to spread. meanwhile, travis air force base in fairfield is among four u.s. installations on standby to house and quarantine up to 1,000 american evacuees from the outbreak zone. here is what we know. travis is capable of housing at least 250 people i

i'm reena ninan. breaking news tonight: cbs news projects bernie sanders will be the winner of today's nevada caucuses. sanders has a big lead over his campaign rivals, as you can see. nikole killion is in nevada tonight. nikole, good evening. >> reporter: good evening to you, reena. and bernie sanders is touting victory tonight. he seems to be bolstered by a number of factors. according to our entrance polls, he did well with latinos, young people, and independents. >> reporter: vermont senator bernie sanders with another victory. >> we have to take this president away. >> reporter: nevada democrats appear to avoid iowa's fate, scrapping its problematic app for lower-deck options-- a calculator and worksheet. >> serving just right before them, and it's very transparent. >> last name "a-f." >> reporter: but there was another issue: scattered reports of a lack of volunteers. >> we are short about three volunteers here at this site, but we have a very talented group of veteran, seasoned campaign workers

>> ninan: ...as the rest of the field scrambles. >> we think we're going to have a great day here. >> reporter: senator, how are you feeling about today? >> always feels good. >> ninan: also tonight, new pushback: the white house rejecting claims russians are trying to re-elect president trump. plus, a bus rolls over in california, leaving several dead and injured. new fears and sharp criticism as the deadly coronavirus spreads fast. >> i was so scared. >> ninan: missing children mystery: a tennessee toddler disappears for months, while a mother of two kids missing since september is jailed in hawaii. me

ca captioning sponsored by cbs >> ninan: breaking news tonight-- spreading fast. another coronavirus case confirmed in the u.s., this time on the east coast. the patient now in isolation. the world health organization declaring a global emergency. the new concern tonight and the actual number of infections. impeachment endgame: president trump days away from a likely acquittal. tonight, the house speaker's harsh words for the senate majority leader. lmpaign blitz: democratic presidential candidates descend on iowa. their final message to voters days before that critical caucus. final message: what a t nnecticut man charged with his wife's murder wrote in a suicide note he left behind. honoring kobe bryant: the

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. >> ninan: can't think of a more pivotal night than tonight. >> reporter: you can feel the electricity. >> o'donnell: and a reminder gayle and i will moderate the debate beginning at 8:00 p.m. eastern time right here on cbs, and we welcome you to submit your own questions for the candidates. it is not too late, on twitter by using the hashtag #demdebate. we want to go now to the other big story tonight: a dire warning from the c.d.c. that an outbreak of coronavirus is coming here to the u.s. it could be severe, and americans need to prepare now. there is also word that this country doesn't have enough face masks to contain an outbreak. entnewsth sreling again.t the dow has dropped more than 1900 points in two days. that's a loss of nearly 7%. health officials warn the u.s. could soon see more cases as the virus spreads outtsonig beginning with kris van cleave in washington. and i understand,kris, you have some breaking news. >> reporter: norah, san francisco has just declared a state of emergency, the first major american city to do so because of coronavirus, even though san francisco