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

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

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

BEAUMONT, Texas — Tropical Storm Erin is moving quickly westward across the Atlantic Ocean and could strengthen into a ...

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

Erin is forecast to become a Category 4 hurricane, threatening Puerto Rico, Bermuda, and U.S. coasts with flooding and surf.

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

Hurricane Erin restrengthened into a Category 4 storm late Sunday, with forecasters warning it is expected to intensify and grow in size in the coming days as it lashes Caribbean ...

The storm will remain a major hurricane through the middle of the week, according to the National Hurricane Center.

Hurricane Erin has maintained 125 mph winds as it brought damaging impacts to parts of the Puerto Rico and the U.S. Virgin ...

Hurricane Erin rapidly intensified into an extremely dangerous Category 5 cyclone as it stayed safely north of the Caribbean ...

An eyewall replacement cycle is underway within Hurricane Erin as the monster storm continues to barrel across the Atlantic ...