now to the tornado watch at this hour. washington, d.c., baltimore and philadelphia on alert. and it comes as tropical systems in the atlantic are also heating up. abc s senior meteorologist rob marciano is tracking it all for us tonight. rob, good evening. reporter: good evening, tom. some dangerous storms unfolding for parts of the northeast, including one that spurred a tornado warning in baltimore. and 60-mile-per-hour winds in parts of the delmarva. let s show you where the tornado watch is. some of these storms will get across the new york area, but the most potent ones will be philadelphia, atlantic city through dover and the corridor, northern chesapeake. you see that cluster there heading towards dover, that s the corridor that could produce tornadoes until 10:00 tonight and it also, of course, includes d.c. we re also worried about the tropics. we ve got those two named storms, this ana that s heading inland and omar that s staying out to sea, at least for now.