and in tampa, delegates in the republican national convention get ready to choose their candidate. >> planning for a tuesday, wednesday and thursday convention and a week to see what happens with the storm. >> tonight, rewriting the script for the rnc. but first from fox, this monday night, the situation with the storm here in new orleans has gotten much more serious than we reported here in the studio. at that time the national hurricane center said it would be a strong category hurricane, the weakest of them all. they believe it will be a stronger category 2. at this moment, isaac's winds are 70 miles per hour and that is shy four miles per hour of hurricane street. it is less than be you miles from the mouths of the mississippi and has slowed down. think of the storm needs water