away. reporter: forecasters use the data and other sources so, well away from the storm, we need to know maybe a thousand miles away reporter: forecasters use the data and other sources like buoys and satellites to track slow-moving dorian analyzing new information as it comes in the slightest shift in course could be the difference between dodging danger or disaster disa. the work continues as the powerful eye of dorian sets sights on the east coast. the work continues as the powerful eye of dorian sets sights on the east coast katie beck, nbc news, savannah, georgia. also tonight we re learning cities in west texas. and investigators are revealing chilling new details about the gunman. we ll get more from more about the seven people lost in that random shooting across two cities in west texas and investigators are revealing chilling new details about the gunman we ll get more from nbc s miguel almaguer get down, get down, get down. oh [ bleep ]. reporter: before most vict
above. it s difficult to predict exactly what will happen along the coast. we need to know the steering current. maybe a thousand miles away. forecasters use the data and sources like weather balloons and satellite to track slow moving dorian and analyzing new information at it comes in. the slightest shift in course could be the difference between dodging danger or disaster. the work continues as the powerful eye of dorian sets sights on the east coast. alex, certainly a dangerous job. not a job i sign up for. an important one. old tech in a way. those guys, think about the bravery of them. going into those planes and the just the turbulence. and the eye. it s calm and they see the blue skies. and have to choose to go back into the turbulence. i mean. we appreciate it.
steeri steeri steering currents. reporter: forecasters use the data and other sources like buoys, weather balloons and satellites to track slow-moving dorian. analyzing new information as it comes in. the slightest shift in course could be the difference between dodging danger or disaster. the work continues as the powerful eye of dorian sets sights on the east coast. catie beck, nbc news, savannah, new jersey. it s incredible that these pilots are doing this. they re flying into the eye of the storm to get some of this information. they re doing it to drop these. this is one of the drops she showed you. the parachute goes on here. it floats through the storm. on the bottom is the sensor which reads the maximum winds, the pressure, the temperature and all that information goes back to the satellites and to the aircraft, and then it comes to us. we can actually watch it in real-time. these things will drop and we ll get the information back in. how many of those do they drop to
speed and direction. getting the information that we need vital to knowing how strong the hurricane is and also where it s going. reporter: given all the information gathered from up above, it s difficult for forecasters to predict exactly what will happen here along the coast. we also need to know the steering current, so well away from the storm. need to know maybe 1,000 miles away. reporter: forecasters use the data and other sources like buoys, weather balloons and satellites to track slow-moving dorian, analyzing new information as it comes in. the slightest shift in course could be the difference between dodging danger or disaster. the work continues as the powerful eye of dorian sets sights on the east coast. katie beck, nbc news, savannah, georgia. great pictures right there. still to come, we are live in washington as the president facing mounting pressure to take action to stop the growing number of mass shootings across the nation. , there were three victims of c
as a life-and-death situation. as you said, just a slight shift on that track can be the difference between dodging danger and total disaster. here s what the mayor had to say. folks, you don t ride out storms like that. you don t ride out storms that we got coming up the coast. i can t decide for you, what i am asking you as the mayor of the city of savannah to make this attempt to get out of town as best you can and come back in a few days and begin your life over and move forward. reporter: now, tomorrow, they are going to start the contraflow on the highways which means direction heading out, trying to get all the traffic out of savannah before the weather arrives on wednesday. additionally, the civic center is going to open its doors for those that want to evacuate but maybe have no place to go. there is a curfew in place in savannah, 9:30 p.m. tomorrow night, that s how seriously they re taking this ahead of