ven dahler is in the town of halstead. >> reporter: dramatic video shows the severity of the flooding in upstate new york as this swollen waterfall pounds traffic 50 feet below. heavy floodwaters have engulfed parts of new york, new jersey, and pennsylvania, washing out roadways, submerging vehicles, and forcing water rescues. somewater was so powerful in peme towns in central pennsylvania, it moved entire campers, like this one, downstream. sheds and cars were tossed across neighborhoods, and entire homes were destroyed. in some places, the floodwaters thse so quickly, they trapped theile in their businesses, their homes, even in a day care. r: it was scary. >> reporter: rita fraley was baby-sitting some children in her home in halstead, pennsylvania, when the floodwaters hit. o. i looked out the window and said, "oh, lord, there's a 2tream coming through. d 've got to get out of here." by the time we grabbed the kids and went to the front door, there was nowhere we could go. >> reporter: it was the third time her home was flooded in 12 tars. >> we would love to move somewhere else,