Here's what the National Weather Service said 20 hours before Katrina hit

http://www.thewbalchannel.com/news/4939779/detail.html

URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 1011 AM CDT SUN AUG 28 2005

...DEVASTATING DAMAGE EXPECTED...

HURRICANE KATRINA...A MOST POWERFUL HURRICANE WITH UNPRECEDENTED STRENGTH...RIVALING THE INTENSITY OF HURRICANE CAMILLE OF 1969.

MOST OF THE AREA WILL BE UNINHABITABLE FOR WEEKS...PERHAPS LONGER.

AT LEAST HALF OF WELL CONSTRUCTED HOMES WILL HAVE ROOF AND WALL FAILURE. ALL GABLED ROOFS WILL FAIL...ALL WOOD FRAMED LOW RISING APARTMENT BUILDINGS WILL BE DESTROYED...ALL WINDOWS WILL BE BLOWN OUT.

THE VAST MAJORITY...OF TREES WILL BE SNAPPED OR UPROOTED. ONLY THE HEARTIEST WILL REMAIN STANDING...BUT BE TOTALLY DEFOLIATED.

POWER OUTAGES WILL LAST FOR WEEKS...AS MOST POWER POLES WILL BE DOWN AND TRANSFORMERS DESTROYED. WATER SHORTAGES WILL MAKE HUMAN SUFFERING INCREDIBLE BY MODERN STANDARDS.

We need to come up with a good line.
"He Knew, Orleans Blew"

" He Knew but Orleans'was Blue"

Yeah, right