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, the first hurricane of the season, exploded to a Category 5 hurricane Saturday, and despite fluctuations in intensity, ...

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 a Category 5 — with sustained winds in excess of 155 mph.

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

Simpson and Saffir worked together. Simpson assigned a range of wind speeds and storm surges for each category, and the Saffir-Simpson Hurricane Wind Scale was born.

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 ...

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 a 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 ...