Here’s Why the Atlantic Hurricane Season Runs From June to November & Other!

Hurricane season officially lasts from June 1 to November 30 every year in the Atlantic Ocean. The National Hurricane Center chose these six months because, according to NOAA’s Hurricane Research Division, it accounts for 97% of all Atlantic tropical storms and hurricanes.

Out-of-season activity occurs most frequently between May and December, with just a small percentage of Atlantic tropical cyclones occurring outside of these dates. However, as the graph below shows, there has been either a tropical storm or hurricane in the Atlantic every month of the year.

From August to October, the Atlantic Basin experiences its most active season, with 78% of all tropical storm days, 87% of all minor hurricane days, and 96% of all major hurricane days. Early to mid-September is peak time for moose activity. Tropical cyclones that form “out of season” are those that strike in May or December.

Seven years in a row, from 2015 to 2021, the hurricane season began early, proving that not every season follows a rigid timetable. Last year, Tropical Storm Ana briefly occupied the central Atlantic Ocean from May 22 to 23. Initially forming to the east of the archipelago, it swiftly migrated northeastward and out to sea.


Gale-force winds briefly reached Bermuda, but no additional effects were observed on land from this short-lived storm.

In May of last year, the United States was hit by not one, but two tropical storms. Between May 16 and May 19, Tropical Storm Arthur drifted just off the Southeast coast and dumped a lot of rain on sections of eastern North Carolina, particularly in the mountains.

With gusty winds and locally heavy rain, Tropical Storm Bertha made landfall on May 27 in South Carolina. In the Appalachians, it vanished on May 28th, 2014.

The week before Memorial Day in May of this year, Subtropical Storm Andrea passed over the open waters of the Atlantic southwest of Bermuda, although it did not make landfall.

On the eve of the unofficial start of summer, inhabitants of the Florida Panhandle were treated to Tropical Storm Alberto, which made landfall near the Bay/Walton County boundary. To Michigan, Alberto retained its tropical qualities.

When Tropical Storm Arlene formed over the central Atlantic Ocean on April 20, 2017, it was the season’s first hurricane. According to the National Hurricane Center (NHC), this was just the second tropical cyclone to emerge in the Atlantic Ocean in April.


It wasn’t as early as you would have assumed it was for the season. When Hurricane Alex formed in the northeastern Atlantic Ocean in January 2016, it was the first named storm of the year. On Jan. 15, it made landfall in the Azores as a tropical storm with 65mph sustained winds.

Then, in May, Tropical Hurricane Bonnie arrived as the year’s second early-season storm. When it arrived on the Isle of Palms, South Carolina, on May 29, it brought torrential rains to the Carolinas’ coastal areas.

Since Atlantic tropical storm name lists are reused every six years – since Tropical Storm Ana made landfall on the northeastern coast of South Carolina on Mother’s Day weekend of 2015 – it’s possible that the “A” storm in 2021 will bear the same name. Second, only to a February 1952 tropical storm that made landfall in Florida in February 1952, Tropical Storm Irene’s early-morning arrival on May 10 was the second-earliest U.S. landfall by any tropical cyclone on record.

When Is Hurricane Season
When Is Hurricane Season

There has been no change in the start date of hurricane season despite this seven-year record from 2015 through 2021, although in 2021, the NHC began releasing regular Atlantic tropical weather outlooks on May 15 instead of June 1.


From mid-August through late October, the National Hurricane Center (NHC) claims hurricane season is at its peak, with September 10 being designated as the season’s official peak date.

The Atlantic Basin (the Atlantic Ocean, Caribbean Sea, and the Gulf of Mexico) has an official hurricane season that runs from June 1 to November 30. The graph above shows that the season’s high is Sept. 10. Hurricanes can strike at any time during the hurricane season, though.
The Atlantic Basin (the Atlantic Ocean, Caribbean Sea, and the Gulf of Mexico) has an official hurricane season that runs from June 1 to November 30. The graph above shows that the peak of the season occurs on September 10th. It is possible, however, for catastrophic hurricanes to occur at any moment during hurricane season.


June 1 to November 30 is the time frame for the Atlantic hurricane season in 2022. The Atlantic Ocean, the Gulf of Mexico, and the Caribbean Sea are all included.
Tropical cyclones with sustained winds of at least 64 knots (74mph) are considered hurricanes by the National Weather Service.
The Saffir-Simpson Hurricane Wind Scale ranks hurricanes according to sustained winds. On the 1-5 scale, the potential harm to property is estimated.
Category 3 or higher hurricanes are considered big storms.
Getting ready for a hurricane is a good idea, according to the National Hurricane Center. May 1-7, 2022, is National Hurricane Preparedness Week.
Having a hurricane watch means that a region is at risk of experiencing hurricane conditions within 48 hours.
Winds of at least 74 mph are forecast within the next 36 hours when a hurricane warning is in effect.

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