NEW : Police helicopter rescues 21 people stranded in a house cut off by floodwaters . A man walks through the flooded streets of New Orleans after Hurricane Katrina hit on August 29, 2005. The town had been filled with vacationers , as well as people who headed to vacation homes in the area as they heeded warnings to evacuate parts of New York that forecasters had expected to bear the brunt of Irene 's impact , said Williams , from the Huntersfield center . Others find shelter at a Christian center . NEW : `` There are some here that have nothing to go back to , '' a center official says . County official : 87 people stranded in Prattsville were rescued Sunday .
NEW : Police helicopter rescues 21 people stranded in a house cut off by floodwaters . A man walks through the flooded streets of New Orleans after Hurricane Katrina hit on August 29, 2005. Others find shelter at a Christian center . NEW : `` There are some here that have nothing to go back to , '' a center official says . County official : 87 people stranded in Prattsville were rescued Sunday .