According to this run on the NAM, NOLA will get pounded with rain and storms for 18 hours or mor straight. I hope their new pumps are working!
TROPICAL DEPRESSION THIRTEEN ADVISORY NUMBER 2
NWS NATIONAL HURRICANE CENTER MIAMI FL AL132011
1000 PM CDT THU SEP 01 2011
...TROPICAL DEPRESSION MOVING VERY SLOWLY...EXPECTED TO DRENCH
PORTIONS OF THE NORTHERN GULF COAST...
SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION