Tropical cyclones become tropical storms when sustained winds reach 39–73 mph, are upgraded to hurricanes at 74 mph, and ...

Tropical Storm Erin formed in the eastern Atlantic Ocean on Monday, forecasters said. The storm could strengthen to become ...

Tropical Storm Erin is expected to strengthen into a hurricane. See the latest update on Tuesday, Aug. 12. ...

Currently, it is not affecting any land masses, but the NHC said the northern Leeward Islands, Virgin Islands and Puerto Rico should monitor the storm.

A tropical wave near the east coast of the Yucatan Peninsula was producing disorganized showers and thunderstorms at 7 a.m.

Tropical Storm Erin is expected to strengthen into a hurricane later this week in the Atlantic Ocean, according to the ...

The Atlantic basin includes the northern Atlantic Ocean, Caribbean Sea and Gulf of America, as the Gulf of Mexico is now ...

This system is expected to continue moving west to west-northwest at 15 to 20 mph across the eastern and central tropical ...

MIAMI — Tropical Storm Erin formed Monday in the eastern tropical Atlantic Ocean, just west of the Cabo Verde Islands, as ...

On average, the fourth named storm of the year forms by Aug. 15; the first hurricane by Aug. 11. But last year, Hurricane ...

Erin could become a major hurricane, a designation that occurs when a storm's wind speeds reach 111 mph or higher, classified as a Category 3 hurricane. Should it strengthen as meteorologists expect, ...