On Monday, Louisiana Gov. Bobby Jindal called for residents in coastal parishes prone to flooding to voluntarily evacuate. The announcement came as tropical Storm Isaac continues west-northwestward over the eastern Gulf of Mexico and poses a significant storm surge threat to the northern Gulf coast. [Tropical storm Issac is expected to hit Louisiana ](http://colorlines.com/archives/2012/08/hurricane_could_hit_new_orleans_o…)as a strong category 1 hurricane with 75-90mph winds late Monday or early morning Tuesday. Gov. Scott (R) also [pulled out of convention activities due to the storm. ](http://www.huffingtonpost.com/2012/08/25/rick-scott-republican-conventio…)