Puerto Rico, Hurricane Erin
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Hurricane Erin to bring dangerous conditions to coast
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Hurricane Erin has strengthened into a Category 2 storm as it approaches Puerto Rico and the Virgin Islands, bringing heavy rains that could cause flooding and landslides.
Beaches are being closed at some locations along the US East Coast as Hurricane Erin threatens rip currents from Florida to New England.
Tropical Storm Erin is expected to become a strong hurricane by the end of the weekend. How strong will it be and will it impact the U.S.?
Storms that ramp up so quickly complicate forecasting and make it harder for government agencies to plan for emergencies. Hurricane Erick, a Pacific storm that made landfall June 19 in Oaxaca, Mexico, also strengthened rapidly, doubling in intensity in less than a day.