finally tonight, america strong, the first responder on the scene. reporter: from the gulf coast to the northeast, america s first responders answering the call in a week of catastrophic weather events. in new york s central park, two nypd officers seen on body-camera video wading through waist deep floodwater to save a stranded driver. get your stuff. i m here. i ll hold you. reporter: in southeastern, pennsylvania, marriott hotel being escorted into armored vehicles and flatbed trucks. the firefighters put heroic efforts in with a line across raging water. and we were incredibly grateful. reporter: and when the category-4 hurricane battered the louisiana coast sunday, first responders, many leaving their own damaged homes behind, rushing in to help stranded families using high water