Haiti, Jamaica and Melissa
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The National Hurricane Center in Miami warned of "life-threatening and catastrophic flash flooding and landslides" throughout Hispaniola.
Officials across the Caribbean prepare for days of heavy rain from the storm.
The National Hurricane Center's 5 p.m. Friday update reported that Tropical Storm Melissa is in the Caribbean Sea, 215 miles southeast of Kingston Jamaica and 225 miles southwest of Port Au Prince Haiti. Packing maximum sustained winds of 65 mph, it is tracking north at 2 mph. Melissa is expected to strengthen into a hurricane.