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 ...

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

A heat advisory has been issued for the Dallas-Fort Worth area and points east, as a powerful and rapidly intensifying ...

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 ...

SAN JUAN, Puerto Rico (AP) — Erin strengthened into a powerful Category 4 hurricane in the Caribbean on Saturday and ...

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

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

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