What is the average number of hurricanes

Hurricane Katrina was just one of seven major hurricanes observed in the Atlantic basin that year, making almost half of all tropical cyclones in major hurricanes.

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More Information. Skip to main content. Single Accounts Corporate Solutions Universities. Follow Statista. Katharina Buchholz. Description This chart shows the number of hurricanes over the Atlantic basin by category Download Chart. You will find more infographics at Statista. Number of Atlantic basin hurricanes , by category.

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For the Atlantic basin the Atlantic Ocean, the Caribbean Sea, and the Gulf of Mexico , the chart is based on data from the year period from to starting at the beginning of the aircraft reconnaissance era but normalized to years.

The official hurricane season for the Atlantic basin is from June 1 to November 30, but tropical cyclone activity sometimes occurs before and after these dates, respectively. The peak of the Atlantic hurricane season is September 10, with most activity occurring between mid-August and mid-October. For the eastern Pacific basin, the analyses are based on data from the year period from to starting when there was reliable satellite imagery but also normalized to years.

The official hurricane season for the eastern Pacific basin is from May 15 to November 30, but tropical cyclones occasionally occur before and after these dates, respectively.

A peak in activity is noted in late August, but this peak is less pronounced than the peak in Atlantic activity. Relatively high levels of activity in the eastern Pacific tend to be spread out over a longer portion of the season than in the Atlantic, with most tropical cyclones occurring between late June and early October.

The figures below show the points of tropical cyclone genesis by day periods during the hurricane season. These figures depict named storms only. These maps show where tropical cyclones named storms and hurricanes tend to occur during each month of the hurricane season. The data are shown as the number of named storms or hurricanes whose centers pass within nautical miles of a point on the map during a year period.

For the Atlantic basin, the analyses are based on data from the year period from to starting at the beginning of the aircraft reconnaissance era but normalized to years.

For the eastern and central Pacific basins, the analyses are based on data from the year period from to starting when there was reliable satellite imagery but also normalized to years. Please note that the map legends vary from basin to basin and between named storms and hurricanes but not between months in order to make climatological patterns more apparent.

Bars depict number of named systems yellow , hurricanes red , and category 3 or greater purple , Download hires image Download table of data PDF. Hurricane return periods are the frequency at which a certain intensity of hurricane can be expected within a given distance of a given location for the below images 50 nm or 58 statute miles. In simpler terms, a return period of 20 years for a major hurricane means that on average during the previous years, a Category 3 or greater hurricane passed within 50 nm 58 miles of that location about five times.

We would then expect, on average , an additional five Category 3 or greater hurricanes within that radius over the next years. Estimated return period in years for hurricanes passing within 50 nautical miles of various locations on the U.

Estimated return period in years for major hurricanes passing within 50 nautical miles of various locations on the U. Hurricane Strikes. Hurricane Strikes - West Gulf. In addition to damages to buildings, hurricanes threaten infrastructure, undermining energy systems, water and sewer systems, transportation, and flood management structures. Stronger hurricanes pose a significant risk to public health and human lives. Hurricane Katrina caused over deaths, and Hurricane Maria in caused deaths mostly in Puerto Rico.

Disruptions to water supplies and power systems can create risk for waterborne illness, environmental contaminants, mosquito borne illnesses and cause hospitals to close or affect care for patients. Reducing greenhouse gas emissions is one way to reduce the risk of the strongest storms in the future.

Communities can also bolster their resilience to the impacts of hurricanes by:. Learn more about resilience through our Climate Resilience Portal.

Tags Extreme Weather. Climate Basics » Extreme Weather. Hurricanes and Climate Change. Hurricanes are subject to a number of climate change-related influences: Warmer sea surface temperatures could intensify tropical storm wind speeds, potentially delivering more damage if they make landfall.

Source National Hurricane Center. Background on Hurricanes and Tropical Storms A hurricane is a type of tropical cyclone , which is a general term for a low-pressure system with activity like thunder and lightning that develops in the tropics or subtropics.

Threats Posed by Hurricanes Climate change is adding to the coast and threat of hurricanes. How to Build Resilience Reducing greenhouse gas emissions is one way to reduce the risk of the strongest storms in the future. Replenishing beaches and improve infrastructure that affords coastal protection, such as seawalls. Elevating vulnerable buildings to reduce flood damage.