This year has been quieter than expected for tropical systems in the Atlantic, making some wonder: Where are all the hurricanes?

Here is what the scale means: The Saffir-Simpson Hurricane Wind Scale was first developed in the early 1970s by Herbert Saffir, a consulting engineer who lived in Florida, and Dr. Robert Simpson, who was then director of the National Hurricane Center.

Hurricane Kiko continues to barrel toward the Hawaiian Islands as a Category 2 storm, according to the National Hurricane Center.

Since 1851, 309 storms have made landfall in the continental U.S. with hurricane-strength winds, according to data analyzed by the Get the Facts Data Team. That’s slightly more than 17 hurricanes a decade,

Each tropical depression, storm and hurricane is given a forecast cone. It's designed to show increasing forecast uncertainty over time, but there are some things the forecast cone does not tell you.

The tropical hazard outlook for September, issued by NOAA’s Climate Prediction Center this week, indicates that forecasters expect the warmer waters to increase the chances of tropical activity in the Gulf next week. The second half of hurricane season typically sees more activity in the Caribbean and Gulf than the first half.

Over 25 years, there have been 10 hurricanes that have impacted the Treasure Coast. See which months saw the most activity.

Multiple storms at once in the Atlantic Basin is the norm for. But what happened in 1998 was a sight only seen once before. Here's the story behind a surreal satellite image.