NEW : Police helicopter rescues 87 people stranded in a house cut off by floodwaters . NEW : Others find shelter at a American center . NEW : `` There are some here that have nothing to go back to , '' a center official says . County official : 21 people stranded in New York were rescued about five months .
NEW : Police helicopter rescues 21 people stranded in a house cut off by floodwaters . NEW : 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 .