“The roof stays on, the doors stay in position. The windows stay in position, Any time you have some breech within the envelope of the building, that could create a pressurization issue that can result in destruction of the home,” Whittle said.

In the floods after Katrina, the US Coast Guard struggled to rescue people stranded on rooftops and elsewhere, using aircraft and boats.

In a Sky interview, Coast Guard Captain Ed Cubanski says the Coast Guard has moved personnel and equipment out of the direct path of the storm.

“We have assets to the West and the East, and, depending on which directions the storm goes, we can mobilize on the backside to assess what needs to be done, and then we will have the assets to follow in and do the rescues,” Cubanski said.

Cubanski says Katrina showed the need for better coordination between national and local officials and drills to prepare for emergencies.

Katrina also reminded politicians in Washington and elsewhere that they need to make emergency services a priority, even in a time of tight budgets.

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