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

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

Forecasters said Erin should begin to slowly weaken as it increased wind shear. However, it's predicted to remain a major ...

While Erin is expected to take a northward turn in the Atlantic, a new system off the coast of Africa has the National ...

Tropical Storm Erin's path puts some homeowners at heightened risk, as the storm starts building into a hurricane tracked by ...

Tropical Storm Erin has begun strengthening as it streaks west across the Atlantic and is on track to reach hurricane status ...

Hurricane Erin restrengthened into a Category 4 storm late Sunday, with forecasters warning it is expected to intensify and ...

Tropical Storm Erin is on the cusp of strengthening into a hurricane, which it is expected to become later this Friday, as it ...

Over the weekend, Erin is expected to rapidly intensify all the way to a Category 3 hurricane. By Monday, as the storm steers ...

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

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