NHC map of most-likely arrival time of tropical-storm-force winds (main) and NHC map of Rafael's forecast cone (inset). The colors on the wind speed map represent the likelihood that the area will ...

The National Hurricane Center uses the Saffir-Simpson Hurricane Wind Scale to categorize hurricanes. Hurricanes are assigned Category 1-5 depending on their wind speeds. We break down the ...

The 1933 Chesapeake–Potomac Hurricane (six 1933 on the U.S. landfall map) is very similar to Hurricane Isabel in 2003, making landfall on the Outer Banks in North Carolina first before racing ...

Why hurricane wind speeds don't tell the full story 02:53. Tropical systems begin as tropical depressions, which are areas of low pressure with wind speeds of up to 38 miles per hour.

The National Hurricane Center uses the Saffir-Simpson Hurricane Wind Scale to determine storm categories. It’s a 1 to 5 rating based only on a hurricane’s… NHC uses the Saffir-Simpson ...