A stop light hangs down as Hurricane Isaac pushes into the New Orleans metro area in Metairie
A stop light hangs down during strong wind and rain as Hurricane Isaac pushes into the New Orleans metro area in Metairie, Louisiana, August 29, 2012.
Hurricane Isaac weakened to a tropical storm about 50 miles kilometers) west-southwest of New Orleans as its top sustained winds dropped to 70 miles per hour, the National Hurricane Center said at 3 pm East Coast time.