Residents to stop vaping immediately. 16 people in the state hospitalized with severe lung disease and now the new report this morning, how juul is trying to stop underage vaping. Deadly boat crash. Shark tank star kevin oleary on a boat that crashed into another killing two people. What he says happened. Candid camera. Ring doorbell cameras helping hundreds of Police Departments form a new neighborhood watch. Now, the new privacy questions. And eruption in italy. The major volcano sending lava and rocks flying. Tourists fleeing and a massive cloud of smoke more than a mile into the sky. Good morning, america. Thank you for joining us on this thursday morning. And we want to get right to Hurricane Dorian. Now a category 1 storm and gaining strength on the path toward the u. S. Mainland. Yeah, overnight the storm traveling through the caribbean. Heres what it looked like in st. Thomas. Puerto rico thankfully avoiding that direct hit, but the island is still dealing with heavy rains and strong winds. Lets take a look at the satellite showing the storm churning through the atlantic. You can see how big the storm is. Our team is spread out across the storm zone with the very latest. Rob marciano, hes going to start us off with the storms track right now in the studio. Good morning, rob. Good morning, michael. This is st. Thomas yesterday, 82mileanhour sustained winds with gusts up to 111. A half a foot of rain, just got hammered in the u. S. Virgin islands. Puerto rico just got skimmed. The composite. The radar beginning to fade as it gets farther away from the radar site in puerto rico, about 175 miles north of the island there with 85mileperhour winds and heading towards the northwest at about 13 miles an hour. So the track is for a category 1 today becoming a category 2. That means winds of 96 miles an hour and then category 3 tomorrow. And then look at the track getting towards florida here as far. As the forecast area is concerned four or five days out its about 200 miles. So that means even though the track right now between ft. Lauderdale and cape canaveral, really all of florida is in play here and then beyond that we have to watch that into the gulf of mexico potentially. Heres whats driving it. High pressure, low pressure, High Pressure will win out and dive down to the south and drive this and turn it off towards the west. Theres some individual computer models to give you an idea of how uncertain we are with the track of this thing. Not only that, but its a small storm at the moment. These are really difficult to track and often can rapidly intensify. That may very well happen in the next 24 to 48 hours. Well watch it. Cecelia . Yeah, its going to be a dire next few hours. Rob, thank you. Puerto rico as we said thankfully avoiding a direct hit, but not escaping the effects of the storm. As many there are still recovering from the devastation of Hurricane Maria two years ago. Victor oquendo is in san juan, puerto rico, with the very latest. Good morning, victor. Reporter good morning, cecilia. A huge sigh of relief here in puerto rico. At one point dorians path shifted so much the entire island was bracing for a hit but it was the u. S. And British Virgin islands that ended up taking the brunt of the storm. Hurricane dorian taking aim at the u. S. And British Virgin islands. Yeah, its for real. Reporter gaining strength over the open atlantic leaving a wake of flooding and damage in its path throughout the caribbean. Well start to see it build upward and out, starting to become a stronger storm. Reporter the socalled dirty side of the storm coming in strong. Packing intense winds and up to 8 inches of rain. Knocking out power to almost 40,000 people. These residents taking cover as the intense winds began to get stronger. It is here. Reporter and these boats tossing back and forth in the high tides in st. Thomas. Dorian already inundating the island of martinique on tuesday. Heavy rains causing severe flooding leaving this bus trapped and many more stranded. Here in puerto rico, they dodged a bullet. The governor speaking out overnight saying, thank god we were not affected. The Community Still reeling from Hurricane Maria. This was the first major test for puerto rico since maria killed nearly 3,000 people in 2017. From the local municipalities to fema, they were ready for dorian and they know the season is far from over. Tom . But, victor, you said earlier puerto rico dodged the bullet. The latest track has the hurricane heading towards florida now under a state of emergency. Residents racing to stock up on supplies, leaving empty shelves behind and concern is growing dorian could be a category 3 hurricane when it reaches the mainland. Gio benitez is in miami now with the latest on how people are preparing. Gio, good morning. Reporter hey, tom, good morning to you. Were already seeing Stores Running low on water and supplies. People here arent taking any chances, even though this storm is still days away. Floridians up and down the east coast gearing up for Hurricane Dorian. Residents hitting supermarkets in droves stocking up on the necessities. Batteries, paper towels, liquor. Reporter the main thing on everyones list, water. This costco in miami trying to maintain order making customers line up single file. Hey, hey, hey, everybody, relax. This is the same line. Reporter limiting members to only four cases of water. Gosh, it was crazy. Everybody was scrambling for water. Reporter a similar scene at another costco north of miami. I dont know how fast theyre getting the word out but as soon as i have a truck that backs up i have a line forming for that water. Reporter in jacksonville late shoppers finding stores with empty shelves. Did you come here looking for water . Somewhat, yeah. Reporter drivers swarming gas stations waiting in long lines fearing potential fuel shortages that plagued the state in the wake of hurricane irma. You get ready and thats it. You cant do anything more. Reporter and we keep emphasizing this, time, if you are anywhere along the southeastern coast now is the time to prepare when you can still get your hands on water, supplies and gas. Its just so important, michael. Thank you, gio, as we see people preparing multiple airlines are preparing as well issuing travel waivers and canceling more than a hundred flights. This as millions prepare to hit the sky for the holiday weekend. Steve osunsami is at hartsfield airport in atlanta with the latest. Reporter good morning to you, michael. Traffic here is moving well this morning, but the airlines are watching this storm closely, worried about the impact that the storm will have on their flight schedules. So far theyre offering travel waivers to passengers flying in and out of 32 airports, mostly in florida and the caribbean. Nine airlines are issuing those travel waivers, delta airline, for example, is one of them headquartered here. So far all of the Flight Cancellations were seeing are in puerto rico and the u. S. Virgin islands, but that will change depending on the track of the storm. Travelers hoping to take advantage of those flight waivers need to check with their airlines because theyre only good for specific dates. 12 cruise ships have also had to change their schedules because of the storm impacting tens of thousands of travelers. Royal caribbean is also closing its private island in the bahamas for a week. Tom . Yeah, the timing really couldnt be worse. All right, steve, thanks so much. Even without a hurricane this would be a chaotic travel weekend. A record 17. 5 million passengers expected to fly over the next few days. Nearly 3 million passengers on friday alone. Today is expected to be the busiest on the road especially between 4 00 and 6 00 p. M. Lets go to scott rife in california. Good morning, tom. Traffic in l. A. Just seems to be getting worse and worse. Look at the santa monica freeway. It is tough. From 4 00 p. M. To 6 00 p. M. This afternoon were expecting grid lock. It will be painful. 1. 5 million passengers expected to go through l. A. X. We have some of the best weather in the nation, but we pay for it with some of the worst traffic. Cecelia . Scott, thank you. Well have much more on the travel rush and Hurricane Dorian. We are going to turn to the mornings other top stories. Questions growing this morning about new rules from the Trump Administration that will make it harder for children of some immigrants serving overseas in the military to obtain citizenship. This appears to target the children of Service Members who are legal permanent residents and not u. S. Citizens, but also could impact some citizens living outside the country if they cant prove they lived in the u. S. For a period of time. Speaker nancy pelosi tweeting, this shameful policy must be reversed immediately. This morning, now new developments in the race for president. The democratic field is a little less crowded. New york senator Kirsten Gillibrand dropping out after failing to qualify for our democratic debate in two weeks. Gillibrand had been struggling in fundraising and in the polls. She says that she will endorse one of her former democratic rivals in the primaries. 20 candidates still in that race, and you can see the next debate thursday, september 12th right here on abc. Michael . All right, thank you, cecilia. We turn now to the investigation into the fatal crash involving shark tank star kevin oleary. He was a passenger on a boat that collided with another killing two people. T. J. Holmes is here with the story. Good morning, t. J. Good morning to you. And it was kevin oleary himself, not police, that revealed that he was involved in this fatal collision. But in his statement, he pointed out that it was the other boat that didnt have navigation lights on and it was the other boat that fled the scene. Well, police are now contradicting some of that statement and trying to figure out how two boats on leisure cruises resulted in two deaths. Reporter kevin oleary has been a shark on the hit abc show the past 11 seasons. The chances that this is a business are practically zero. Reporter this morning he finds himself at the center of a Police Investigation after revealing he was on a boat involved in a fatal collision on a lake in canada over the weekend. Oleary said in a statement that the other boat had no navigation lights on and then fled the scene of the accident. Police say both boats left the scene and police are asking for any witnesses to come forward. Police are also trying to determine if alcohol was involved. 64yearold gary poltash of florida died at the scene. 24yearold Susanne Brito died of injuries days later and three other people on the boats were also injured. Poltashs Brother Lawrence tells abc news i hope it was a pure accident and nothing more. There has to be a better way. Reporter the businessman and reality tv star who says he is, quote, fully cooperating with authorities has a home on the lake in ontario and often posts pictures from there on social media, and just last summer posted this picture of what he called his new bad boat. Oleary says, my thoughts and prayers are with all the families affected. Now, oleary says he is cooperating fully with authorities. Guys, they point out at night on a lake, you have got to be careful. You cannot see a thing, but thats going to be key to whether or not those navigation lights were on. Right or wrong, two lives were lost. Two lives gone. Thank you, t. J. You got it, guys. Now to that new medical alert about vaping. Milwaukee Health Department urging residents to immediately stop using ecigarettes. Abc Kaylee Hartung is here. Kaylee, this is a major move. It is. Earlier this week with learned of the first death believed to be associated with vaping. Now one citys Health Officials are issuing a very direct plea in an effort to protect its citizens. This morning, an urgent warning from one major city, stop vaping now. After two people, we should probably have sent out word sooner. But im glad were doing it now. Reporter milwaukees Health Department urging residents to stop using any ecigarette devices immediately after 16 people in wisconsin were hospitalized with severe lung disease. According to Health Officials, patients ranging from teens to people in their 30s, all users of Vape Products and many report using vaping oil infused with thc. The active ingredient in marijuana. Kim barnes 26yearold son dylan among them. She says he had been vaping for less than a year and almost died earlier this month. Doctors putting dylan who has asthma in the icu after finding damage to his lungs and heart. He was diagnosed with pneumonia, treated and released. I didnt think he was going to come out of it. I thought that i was seeing my son the last time. Reporter this alert coming just days after officials in illinois announced the first death believed to be related to ecigarette use. The cdc is currently investigating nearly 200 cases of severe pulmonary illnesses linked to vaping in 22 states. Like 20yearold Alexander Mitchell from utah. The once avid hiker turned ecigarette user hospitalized earlier this summer with acute respiratory distress syndrome kept alive by two advanced life support machines. I dont have the stamina that i used to. I dont have the strength that i used to. Theyre hopeful ill recover. Reporter 17yearold Tryston Zohfeld starting vaping in the eighth grade. Last month he was put into a medically induced coma because of a blockage in his lungs. I woke up just throwing up everywhere and my heart was just pounding out of my chest going 100 miles an hour. Reporter these warnings are being delivered in very Broad Strokes and thats leading to some criticism. The Vape Technology association saying public Health Officials have a duty to warn with facts, not scare the public without facts and the cdc and the fda acknowledge they need to gather more information specifically what substances and products triggered each of these cases. Guys, they know its not just nicotine thats been vaped. With all these warnings, juul is going on the offensive this morning. Theyre pledging 100 million . They are. Juul is not going to stop selling its products, but it wants to keep their products out of the hands of minors so theyre offering more than 100 million in incentives to retailers to install new electronic age verification systems. So juul purchases will be blocked until the shoppers government i. D. Is scanned, and verified they will stop selling to any retailer that doesnt use this by the summer of 2021. Thanks so much. There is a new study about kids being exposed to secondhand vaping. Well have much more in our next hour. Cecelia . Okay. Were going to head overseas now to that volcano eruption in italy. Take a look at this really incredible video. The famous stromboli volcano sending lava and smoke spewing into the sky near the island of sicily. Residents and tourists were forced to flee. Abcs James Longman has the latest. Good morning, james. Reporter good morning, cecilia. This was a major close call. Take a look. Tourists out for a boat ride in italy got the shock of their lives when a volcano erupted right in front of them. You can hear them shouting in panic as the smoke and ash shoots up into the air. 1. 2 miles up, in fact. As their dinghy is pulled a cloud of hot ash breaks out towards them across the water. It really is like something out of a disaster movie. This was on the island of stromboli, the second time since july this volcano has erupted. Luckily no one was hurt this time, but the warning is if larger parts of the volcano break off into the sea, well, that could create dangerous ocean swells. Scary stuff, guys. The warning, james, if you see a volcano, go in the opposite direction too. Just go. Faster, faster. Thats right. Thank you, james. Well go to the u. S. Open and a big win for Serena Williams surviving a scare at the open last night. The 23time grand slam champion dropping the first set to unseeded 17yearold american cat mcnally, but shes battling back to take the match in three sets and serena is now a perfect 190 in second round matches at the u. S. Open. Her opponent wasnt even born when serena won her first u. S. Open title in queens and now she now moves on to the third round. You can see all the action on espn and espn2. Talk about serena is young to me. How old does that make me . Us. Youre safe. Also this morning were following new developments in a tragic crash involving the socalled fastest woman on four wheels. What happened when she tried to break a record get this hitting more than 500 miles an hour in a car. The investigation right now. The new privacy concerns this morning over those popular ring doorbell cameras as the Company Partners with hundreds of Police Departments around the country. But first, lets go back over to a very busy rob marciano this morning. Good morning again, guys. Quick update on other things that we have to deal with. Hurricane dorian, this is win of our computer models that indicates a foot or two of rain across parts of south florida. Miami has seen over a foot of rain above average already. Now youre talking about areas close to sea level and high water table and on top of that, a new moon this weekend so thats not good for flooding inland. All right, houston, texas, you had Severe Weather last night, bigtime winds and rain blowing sideways. Youre familiar with hurricanes, none coming your way thankfully soon. A rough night and now a Severe Weather threat across the midwest, omaha to des moines, davenport up through milwaukee and chicago. Strong winds, large hail. A tornado or two possible as this cold front slides down to the south. Your local forecast just 30 seconds away, but first, your hot cities sponsored by jeep wrangler. Strong winds, large hail. Lets go international. Look at this video out of madrid, spain, a roug