Were tracking that storm system that starts to blossom offshore. You can see as we go throughout the overnight hours 5 00 in the morning on tuesday that heavy precip starting to set autopsy cross coastal sections of new jersey. Ocean county youre the only county for our area currently underneath a blizzard warning. Everyone else winter storm warning. Heaviest still looks to be north and east of philadelphia. And east of that 95 corridor. 10 30 in the morning on tuesday you had that snowfall. Some bands could wrap around and push west ward back across philadelphia on east ward. We can talk about what we can expect as we go throughout the day and possible snowfall on the way. Right through tuesday. You can see theres a sharp gradient here with the storm system moving on through. 4 to 8 western suburbs and 8 to 12 philadelphia and 1 to 18 close to the coast for central sections of new jersey. 12 to 18 possible Atlantic City north ward up to new york city and 8 to 1 allentown and philadelphia down through mill villas we track the snowfall moving on through. There is still a lot of uncertainty with the storm system. The copfy dense level below average. Few things to track here. Limited blocking with High Pressure to the north we really dont have that to keep that cold air locked in at the surface and the problem with the storm system it develops very close to us. It would be very different ft. Storm system developed south and worked its way east ward. You can definitely see blossoming and strengthening with the storm system and theres screams. Either way with the storm if theres a shift in the track you can find big changes with big snow or little snow. You can track it for you. Monday, periods of snow. It will be light. At the onset high of 34. Then monday night into tuesday we track i snowstorm high of 26. Brisk and cold wednesday 9. Theres two new model runs that come in later tonight well have updates tonight at 11 00. Thank you melissa. We join abc worls news sunday in progress. Action news returns at 11. For melissa magee, Jeff Skversky walter perez and the entire action news team, well see you right back here at 11 00. Hey, i lost my debit card. Do you guys do instant replacement . snap what just happened . Check your wallet. No. No way. Your debit card should arrive in 710 business days. Its time to bank human again. Get debit cards on the spot, and no monthly fee checking with just a 100 minimum balance at td bank. Americas most convenient bank. Reporter and the nfl also still searching for the truth. Linzie janis, abc news new york. Now, the fbi taking the lead in who tweeted the threats that affected two airports. Tonight, the latest on the information and the hefty response from the military. Steve osunsami has the story. Reporter tonight, federal investigators are tracking a twitter user responsible for the series of threatening messages directed at two atlantabound flights saturday. I think you know typically on these things, theres a trail. Whether you want it or not. Reporter behold the power of social media. Two fighter jets, escorting the planes until they landed safely. You could look out the window and see people with machine guns and people with all sorts of threatening things, bombsniffing dogs. Reporter someone hiding behind the handle king zortic sent these threats to delta and southwest airlines. I have a bomb on one of your planes, but i forget which one when i left the airport. Can you help me find it . It was smuggled through one of the back entrances. Today, twitter suspended the account. The user could face federal charges. Clearly, this person can go to jail. Just because there wasnt a bomb, doesnt mean that you cant be charged with some version of threatening an explosive device aboard an aircraft. Reporter twitter fiercely protects the privacy of its users unless there is an exigent emergency involving the danger or death or serious physical injury to a person. Sometimes requiring authorities to get a court order in cases. There are literally thousands of people on the internet every day that make threats, that make its not against the law to say bad things. Its against the law to take action or make a threat. Reporter authorities tell us these sorts of threats used to come by landline until the invention of caller i. D. They say they need the same service for social media. Tom . Steve, thank you. Next to what prosecutors say is a case of homegrown terror. A teenager sentenced for trying to go to syria to support fighters. Tonight, her parents are speaking out. Clayton sandell reports from denver. Reporter shannon conleys parents say their daughter is not a terrorist, but is incredibly naive and idealistic. The 19yearold from suburban denver caught the fbis attention in 2013. She told agents she planned to marry an isis fighter she met online and that she joined the Army Cadet Program to learn tactics she could use to wage violent jihad. Agents warned her repeatedly that was illegal, busting her in april when she tried boarding a flight overseas. She pleaded guilty, and friday was sentenced to four years in prison. I, as you know, would have preferred a much lighter sentence. Reporter for the first time, conleys parents speak out in an open letter critical of the government and media for condemning a young woman who trusted that others were telling her the truth about things happening in a distant land. Feelings of alienation, feelings of inequality, adventure, in some cases romance, and in many cases too, these women are responding to quite a deliberate call from the islamic state. Reporter an emotional conley told the judge, i didnt want to hurt anyone. But the judge was unconvinced and suggested she may be mentally unstable. Her future, i believe, will be bright and shes going to get past this. Reporter her parents say conleys new struggle is putting her life back together. Clayton sandell, abc news denver. Lets head overseas to india, where president obama is tonight. Brokering deals across the world. And one of his first stops, the shrine of ghandi. But each stop comes with Extraordinary Security measures. Heres jim avila. Reporter this is a summit of mostly pomp and style, the first lady immediately setting the tone in a colorful dress made for her by an indian designer living in new york, while the president and indian Prime Minister embraced heartily signaling the real purpose of the meetings, getting the relationship to the next level. Its a great honor. Reporter there were man hugs all day and greetings from mr. Obama. From the highstepping military review to his solemn visit to the memorial honoring mahatma gandhi, where the president took off his shoes to lay a wreath, throw flowers and plant a tree. The u. S. And india have declared a new declaration of friendship. Reporter promising to share Defense Technology and fight terrorism, president obama will follow tonights state dinner with the trips main event tomorrow, the massive republic day parade, an unprecedented three hours in public in a foreign nation. Whats driving the secret service crazy is that the president will not be in a closed car. More than 50,000 police and troops assigned to shut down the heart of the city, 1,000 snipers, 1,500 surveillance cameras, a nofly zone and a metro line shutdown. But president obama cancelled his sojourn to the taj mahal, instead diverting to saudi arabia tuesday to meet with the new king. Jim avila, abc news, traveling with the president in new delhi. Back here in the states the race for the white house kicking off, with a roster of republican candidates kicking off, and Jonathan Jonathan karl is there. And he joins us now. Reporter another sign the president ial campaign is under way, i will be on the stage with three of the most likely president ial candidates Ted Cruz Marco rubio, and rand paul. And the first time the Koch Brothers have allowed tv cameras into their events. Who really made an impression . Reporter well there was about 12 candidates potentially. And scott walker and ted cruz was there. And Chris Christie told me he certainly believes he can win in iowa. Thank you. Now to a seasonal danger, house fires. Annually, an average of 905 die every year. And just in the past week alone, almost 1,000 people have been left homeless. Kendis gibson has the story. Reporter a fire quickly destroying two homes. Firefighters battling the fire and icy conditions. All 12 residents, narrowly escaping the flames. The cause, unknown. Across the country this week, crews kept busy with massive fires. In maryland, up to six family members believed dead following this mysterious mansion fire. Near pittsburgh, fire sweeping through five apartment buildings. And in new jersey hundreds of people left homeless after flames raced through an entire block of homes in just 90 minutes. The fire chief telling me his crews crews didnt stand a shot. Its like a blow torch. Reporter it turns out the materials used in modernday homes may be fueling the fires. Homes burning eight times quicker. When smoke alarms were first introduced, people had about 17 minutes to get out of their house. Now its down to three or four. Critical minutes to act fast and stay alilive. Still ahead tonight, the mystery of the missing grandparents who never returned from looking at a car. Who police are looking for tonight. And later, remember this heartbroken puppy . A Super Bowl Ad that melted hearts. Hes coming back but seems to have lost his way. A preview, and more stories still ahead. My sister had to come help. I dont like asking for help. I took tylenol but i had to take six pills to get through the day. So my daughter brought over some aleve. Its just two pills, all day and now, im back aleve. Two pills. All day strong, all day long. And now introducing aleve pm for a better am. I have the worst cold with this runny nose. I better take something. Dayquill cold and flu doesnt treat your runny nose. Seriously . 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Hoping he may explain the disappearance of beloved couple elrey bud runion and his wife june. Their three daughters, growing alarmed when they did not show up to babysit their grandchildren on friday. We are worried that someone might have done something bad and taken advantage of them. Reporter the couple had placed an ad on craigslist for buds dream car, a 1966 red mustang convertible. And set out in their gmc envoy when a seller responded. Heading some 180 miles from their home in marietta to mcrae to meet. He was excited about the car. He had one when he got back from vietnam. Reporter police say towns was the last person to have phone contact with the runions before they vanished thursday. And is now wanted for making false statements to investigators and the attempt to commit theft by deception. Authorities also say the couple went to see towns in relation to their ad. Craigslist does offer explicit safety advice, telling buyers to meet sellers in a public place and to be especially careful when buying high value items. Also to take your cell phone. The site has dealt with incidents of transactions gone wrong, from alleged murders to drug deals to adoption scams. The runions daughters have created this facebook page, praying it may help bring their parents home. Gloria riviera, abc news, washington. When we come back, the Amelia Earhart mystery back in the headlines tonight. Where theyre searching for the legendary pilot. A possible new clue. Our instant index, up next. Er well, put on a breathe right strip and shut your mouth. Cold medicines open your nose over time, but add a breathe right strip and pow, it opens your nose up to 38 more. So you can breathe and do the one thing you want to do sleep. Add breathe right to your Cold Medicine shut your mouth and sleep right. Breathe right. 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A group are reportedly searching a remote coral reef in the Marshall Islands where parts of her plane was thought to be found last year. She vanished back in 1937. And history made in mens college basketball. Coach k doing what no one else has been able to do in the ncaa. Dukes rally in the second half to beat st. Johns in Madison Square garden. The 7768 win that handed Mike Krzyzewski his 1,000th victory. Good for him. Still ahead, what trouble has this little guy gotten into now . And will those collides dales come through again . Whats behind the this super bowl sequel, when we come back. Olesterol up to 55 . Crestor is not for people with Liver Disease or women who are nursing, pregnant, or may become pregnant. Tell your doctor all medicines you take. Call your doctor if you have muscle pain or weakness, feel unusually tired have loss of appetite, upper belly pain, dark urine or yellowing of skin or eyes. These could be signs of serious side effects. 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