The third tropical depression of the season formed Friday afternoon off the South Carolina coast and was forecast to strengthen into Tropical Storm Chantal.

Tropical Storm Andrea may have formed and quickly dissipated in the Atlantic Ocean, but low pressure in the Bay of Campeche ...

A disturbance in the Atlantic could develop into a tropical depression on Monday, according to the National Hurricane Center.

An area of low pressure is forecast to develop along a weakening frontal boundary near Florida and has a 20% chance of ...

The National Hurricane Center says there is a 50% chance over seven days that a tropical or subtropical cyclone could form.

If the trends continue, a tropical depression is likely to form and continue moving west-northwestward toward eastern Mexico. It could possibly move inland to the country by June 30. RELATED COVERAGE ...

Only about a quarter of the Earth’s tropical cyclones form in the Southern Hemisphere. When these storms have sustained winds of 74 m.p.h. or greater, they would be called hurricanes in the ...

A second low forming off the NSW coast may have given anxious residents a reprieve by pulling energy away from the huge storm ...

The NSW State Emergency Service (SES) has rescue helicopters on standby, and has urgently pleaded for residents to prepare ...

Bomb cyclones form when the conditions at the surface and at the jet stream level are ideal for the storm to intensify. The jet stream is a narrow band of strong winds in the upper atmosphere.

One of the most powerful bomb cyclones to form in decades hit the U.S. West Coast this week, bringing hurricane-force winds, heavy precipitation and power outages to portions of northern ...

Only about a quarter of the Earth’s tropical cyclones form in the Southern Hemisphere. When these storms have sustained winds of 74 m.p.h. or greater, they would be called hurricanes in the ...