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Nana Becomes 5th Atlantic Hurricane Just Before Landfall

Hurricane Nana formed just east of Central America late on Wednesday night, making it the fifth hurricane of an exceptionally busy Atlantic season to-date.

Hurricane warnings are in place for Belize ahead of Nana’s expected landfall early Thursday.


What You Need To Know

  • Hurricane Nana formed officially late on Wednesday night
  • Landfall is expected early Thursday
  • Omar has weakened to a tropical depression as it heads out to sea
  • Two tropical waves near Africa have a chance of developing further

Nana first formed as a tropical storm in the Caribbean Sea on Tuesday afternoon and is continuing on a westward track toward Central America.

While Nana has been facing some wind shear that has helped to inhibit strengthening, it overcame it enough to become a hurricane just hours before landfall.

The storm will bring strong winds and dangerous storm surge to coastal cities in Belize and Honduras, while the threat of heavy rain and flooding will spread farther inland. 

Northern Guatemala and southern Mexico could also feel heavy rain and gusty winds from Nana as it moves inland this week.

Meanwhile, in the western Atlantic, Omar has weakened to a tropical depression as it continues to move away from the U.S.

Centered well north of Bermuda in the open Atlantic, strong wind shear and colder waters have taken their toll on the storm. Omar is expected to dissipate on Thursday as it continues moving out to sea.

Fast Start To Hurricane Season Continues

Nana and Omar’s dual developments on Monday mean that the Atlantic is already up to 15 named storms so far this season – far more than the 12 named storms that develop over the course of an average full season.

Nana and Omar also became the earliest N and O-named storms on record in the basin, and the 2020 Atlantic season continues to outpace the 2005 season in terms of record-setting early development. 

Another tropical wave is coming off the coast of Africa, entering the Atlantic. For now, chances are medium for further development within the next five days.

A second tropical wave is centered between Africa and the eastern Caribbean which has a low chance of development over the next five days.

We’ll be watching both.

The average peak of the hurricane season is approaching and tropical systems can develop just about anywhere in the Atlantic basin this time of year.

In the first ten days of September, they have formed anywhere from the Gulf of Mexico to off the coast of Africa and everywhere in between. This is also the time of year when some of the strongest hurricanes happen.

Tropical Formation Locations and Tracks

Location of where named tropical systems have formed (red dots) and their tracks (gray lines) in the first 10 days of September. (NOAA/NWS)

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