NOAA National Weather Service to Use New Hurricane Wind Scale

NOAA's National Weather Service will use a new hurricane scale this season called the Saffir-Simpson Hurricane Wind Scale. The scale keeps the same wind speed ranges as the original Saffir-Simpson Scale for each of the five hurricane categories, but no longer ties specific storm surge and flooding effects to each category.

Read more http://www.noaanews.noaa.gov/stories2010/20100217_hurricane.html