April 15, 2019 4:56 am First Alert: Severe Storms Sweep Through Area Severe storms swept through Philadelphia and its suburbs early Monday, bringing tornado watches and a brief tornado warning. NBC10 First Alert Meteorologist Bill Henley reports. US & World Videos 2:40 How long will this summer-like warmth last? 2:14 The summer preview continues 2:16 Clearing out, warming into the 80s 3:04 Another hot day with chance for isolated morning showers 3:12 Pop-up showers possible Tuesday night for parts of the region