Some fluctuations in intensity are expected over the next couple of days due to inner-core structural changes.

Hurricane Erin raced from a Category 1 to a Category 5 storm. If Erin keeps ramping up, is there a Category 6?

The longstanding hurricane rating system, the Saffir-Simpson Scale, only takes into account sustained wind speeds and not the ...

Erin expected to rapidly intensify this weekend. At 11PM, the center of Hurricane Erin was located near latitude 20.3 North, ...

Hurricane Erin strengthens into a Category 5, as it moves north in the Atlantic; experts warn of potential dangerous (and ...

How does the Saffir-Simpson scale work? The scale has five categories ranging from Category 1 — with winds from 74 mph to 95 mph to Category 5 — with sustained winds in excess of 155 mph.

Simpson assigned a range of wind speeds and storm surges for each category, and the Saffir-Simpson Hurricane Wind Scale was born. The NHC released the scale to the public in 1973 and began ...

Simpson assigned a range of wind speeds and storm surges for each category, and the Saffir-Simpson Hurricane Wind Scale was born. The NHC released the scale to the public in 1973 and began ...

Simpson assigned a range of wind speeds and storm surges for each category, and the Saffir-Simpson Hurricane Wind Scale was born. The NHC released the scale to the public in 1973 and began ...