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 ...

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

With maximum wind speeds back down to 125 mph, Erin remains a Category 3 storm, but is expected to strengthen again in the ...

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

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 ...

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 ...

Hurricane Erin rapidly strengthened offshore to a “catastrophic” Category 5 storm on Saturday (Sunday Manila time), as rain ...

It quickly powered up from a tropical storm to a Category 5 in a single day, the National Hurricane Center said.