one off the east coast, the other in the gulf. senior meteorologist rob marciano, a very busy night for you. hey, rob. >> reporter: indeed, david. we'll start with pennsylvania, which got hit hard today with 60-pl 60-plus-mile-per-hour winds, power out and trees are down. the radar shows where the action is. watch boxes from west virginia to new jersey, so, dangerous storms to come. in the west, you mentioned the heat. it's expanding from southern california to montana. extreme heat warnings are up. this is not normal thisserly and it's not letting up until the weekend. three disturbances in the tropics. a depression off north carolina. that will stay out to sea. but the one in the gulf is worrisome. that's a favorite spot this time of year. we'll have to monitor that one closely. david? >> rob, thank you. we're going to turn next tonight to that chaos in midair. authorities say an offduty flight attendant threatened to take down the plane. the pilot then calling on the intercom for passengers to help. gio benitez covers aviation for us. >> reporter: tonight, the fbi questioning the man at the center of the latest air rage incident.