Storms that ramp up so quickly complicate forecasting and make it harder for government agencies to plan for emergencies.

Despite this, the US National Hurricane Center (NHC) says Erin is growing in size, with tropical-storm-strength winds ...

Hurricane Erin has strengthened into a Category 2 storm as it approaches Puerto Rico and the Virgin Islands, bringing heavy ...

Hurricane Erin rapidly exploded overnight from a Category 3 storm to a massive Category 5 and is expected to strengthen ...

Hurricane Erin is likely to restrengthen again as it passes east of the Turks and Caicos Islands and the southeast Bahamas on ...

Erin is now a Category 3 hurricane with outer rainbands producing gusty winds and heavy rains across the Virgin Islands, ...

Offshore Hurricane Erin was downgraded to a Category 3 storm early Sunday, as rain lashed Caribbean islands and weather ...

Hurricane Erin weakened slightly to a Category 3 storm Sunday and, although it is slightly more south than originally forecast, is still expected to be east of the U.S. coast. Meanwhile, a new ...

As of 5 a.m. on Sunday, Hurricane Erin has weakened back to a Category 3 storm but has grown larger, the National Hurricane ...