The biggest RNC convention speaker? (Getty Images)

Tampa may escape the full brunt of hurricane-force winds next week, but it appears increasingly likely that the Republican National Convention won’t be able to avoid some impact from what is now Tropical Storm Isaac.

A significant weather event is likely to cause high winds and rain in the Tampa Bay area, even if the storm sticks to its current track and has a more significant effect on the Gulf Coast. And even if the physical threat to the city and an expected 50,000 visitors in town passes, convention planners will have to assess whether to tone down parties or cancel events out of respect to other communities experiencing the storm.

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The storm is headed toward Haiti; the blog U.N. Dispatch warns that the situation has "all the markings of an impending humanitarian catastrophe."