If a storm is a Category 3, 4 or 5, it is deemed a "major" hurricane due to the potential for "significant loss of life and ...

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

Erin, once a Category 5 hurricane over the weekend that more than doubled wind speed to nearly 160 mph, on Monday morning ...

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 ...

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 ...

At 11 pm, the center of Hurricane Erin was located near latitude 19.5 North, longitude 59.5 West. Erin is moving toward the west-northwest near 17 mph. This motion is expected to continue through the ...

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.

It's been 45 years since the Saffir-Simpson Hurricane Wind Scale was unveiled, and the names of the monster storms it classifies are still referenced today – Camille, Andrew, Hugo, Mitch.

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.