Trophical Storm Isaac brought widespread flooding to the US Gulf, but the elaborate and costly defences built to protect New Orleans after Hurricane Katriona seven years ago appear to have protected it from the worst harm so far.
Residents in rural Louisiana have been hit hard, with many having to be rescued from homes they did not evacuate from.
Though clearly not as strong as Katrina, the government is urging people to stay vigilant. Craig Fugate, director of Federal Emergency Management Agency said:
"There is no such thing as "just" a tropical storm. You have significant weather impacts still to occur"
A dusk-to-dawn curfew is in force in New Orleans tonight after Hurricane Isaac brought flooding and stranded dozens of people.
With mean winds of 80mph and higher gusts, flooding is the biggest threat as Hurricane Isaac pushes up through Louisiana.
New Orleans has been left with localised flooding and 70% of people are without power as Hurricane Isaac passes up Louisiana.