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

Hurricane Erin quickly became a Category 5 storm on the Saffir-Simpson Scale on Saturday, Aug. 16. As of around 11 a.m. ET, ...

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

Hurricane Erin rapidly strengthened into a Category 4 storm. It is not expected to make a direct hit on the U.S. but will ...

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.

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 ...

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 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.