On Sunday, a day before making landfall, Katrina built up strength in the warm waters of the Gulf of Mexico.

CNN: Storm surge the fatal blow for New Orleans

And it's expected to gather new strength when it hits warm waters again and forecaster say, heads towards Alabama, Mississippi, Louisiana or Texas.

NPR: Hurricanes Wreak Havoc In Haiti And Cuba

But the wrong shoes, failing to warm up and not being aware of strength or muscle balance can also cause injuries.

CNN: Prevention better than cure

Warm water provides fuel for tropical storms to increase strength and become fierce hurricanes.

CNN: NOAA predicts two or three hurricanes to hit U.S.

Further, we expect AMD to underperform relative to peers as we warm up to the chip sector and expect SOX strength exiting 2012.

FORBES: AMD, Nvidia, Intel: Evercore Turns Wary As PC Sales Weaken

Tropical storm warnings were discontinued early Sunday as Allison died down, but forecasters warned that the storm could pick up strength again as it chugged across the warm, open water of the Gulf toward southern Louisiana.

CNN: Texas governor views flood damage

The department said the strength of the report was partly due to unseasonably warm weather in the survey period.

BBC: US jobless rate at 30-year low