NEW : Authorities say at least 15 have died in at least 15 states due to the storm . Tropical Storm Irene is heading northeast toward Northeast with 10 to 14 inches winds . New York ( CNN ) `` Do not leave your homes ... It is still not safe , '' New York City governor says . Chertoff : Flooding in New Jersey 's threatens electrical infrastructure .
NEW : Authorities say at least 15 have died in at least 15 states due to the storm . Tropical Storm Irene is heading northeast toward Northeast with 10 to 14 inches winds . `` Do not leave your homes ... It is still not safe , '' New York City governor says . Chertoff : Flooding in New Jersey 's threatens electrical infrastructure .