Hurricanes are ranked in terms of strength by two key measurements; their maximum sustained wind speed, and their minimum ...

Satellite timelapse shows a visible eye develops within a rapidly intensifying Hurricane Erick. Credit: CSU/CIRA & NOAA.

Storm tracker: Hurricane forecasters watch tropical waves and more The National Hurricane Center does not expect tropical cyclone activity in the Atlantic during the next seven days, but ...

Barbara strengthened into a Category 1 hurricane on Monday. Some further strengthening is possible before it begins to weaken.