Tropical Storm Erin is strengthening and could become a Category 4 storm with 130-mph winds within three days.

Despite steady strengthening on Thursday to near hurricane strength, Erin struggled overnight, with hurricane hunters finding a degraded core during pre-dawn missions Friday.

Tropical Storm Erin is forecast to strengthen into a hurricane on Friday as it tracks north of the Caribbean and intensifies ...

Tropical Storm Erin is expected to strengthen into a hurricane. See the latest update on Friday, Aug. 15. ...

Tropical Storm Erin is expected to strengthen into a hurricane. See the latest update on Friday, Aug. 15. Tropical Storm Erin is continuing its path west on the way to becoming a major ...

Tropical Storm Erin has struggled to organize, but conditions are favorable for it to become a hurricane later today.

Tropical Storm Erin is now expected to become a Category 4 hurricane, with maximum sustained winds of 130-mph.

Heavy rainfall across the northernmost Leeward Islands, the U. S. and British Virgin Islands, as well as southern and eastern Puerto Rico, may lead to isolated flash and urban flooding, along with ...

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

NEW YORK (WABC) -- Tropical Storm Erin continued moving westward on Thursday, roughly 700 miles east of the Lesser Antilles islands. The storm is expected to turn toward the west-northwest is expected ...

Erin is becoming better organized and on track to become the first hurricane of the year and grow into a monster Category 4 ...

As Erin continues to churn over very warm water, the storm will gain quick momentum and will likely become the first major ...