Storm Lake, Iowa and Nashville, Tennessee.

ECONOMIST: Lexington

Katrina is not the first massive storm to test the Lake Pontchartrain Basin levees.

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The windows of his office showed the storm moving in across the lake.

NEWYORKER: Great Experiment

Cornish seas have been known to change from as calm as a lake one day to a perfect storm the next.

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Storm surge is already beginning to lap against the levees of Lake Pontchartrain as a troubled populace swims in the lake, drinks margaritas and practices their golf swings.

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Scientists have speculated that when the warm, moist air over the lake meets the cool winds coming from the mountains, it creates storm clouds that produce the lightening.

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