1. Devastating

    Tropical Storm Isaac Could Hit Haiti

    AT SEA - AUGUST 20:  In this handout satellite mage provided by National Oceanic and Atmospheric Administration (NOAA), an area of low pressure located about 1000 miles east of the Lesser Antilles moves westward at 20 to 25 mph on August 20, 2012 in the Atlantic Ocean. With less than one week until the Republican National Convention starts this system has a high chance of becoming a tropical cyclone during the next 48 hours and is expected to grow into Isaac, the ninth named tropical storm of the season according to NOAA. Currently there is no direct threat to Tampa Bay, Florida where thousands are expected to attend the convention that starts August 27.  (Photo by NOAA via Getty Images)

    NOAA / Getty Images

    Tropical storm Isaac could become a potentially devastating hurricane before it reaches Haiti, where more than 421,000 people are still living in refugee camps following the major  earthquake that struck in 2010. Up to 12 inches of rain are forecast for some parts of the country and the National Hurricane Center warned that this "could cause life-threatening flash floods and mudslides.” Tropical storm Emily was expected to hit the country in 2011, but the storm weakened before it arrived.

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