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Nana and Omar Both Rapidly Weakening

Hurricane Nana made landfall in Belize shortly after midnight early Thursday morning. Nana became a hurricane just east of Central America late on Wednesday night, but is quickly dissipating over the mountainous terrain of Central America.

Nana weakened to a tropical depression on Thursday afternoon.


What You Need To Know

  • Nana is bringing heavy rain and flooding to parts of Central America
  • Nana was the fifth hurricane of the Atlantic season so far
  • Omar has weakened to a tropical depression as it heads out to sea
  • Two tropical waves in the eastern Atlantic have a chance of developing further

Nana first formed as a tropical storm in the Caribbean Sea on Tuesday, becoming a hurricane hours before landfall Thursday morning.

The storm will bring areas of heavy rain and flooding to parts of Guatemala and southeastern Mexico on Thursday. The threat of strong winds is quickly diminishing and all tropical storm watches and warnings have been dropped.

Meanwhile, in the central Atlantic, Omar is a tropical depression far from land, well north of Bermuda. Strong wind shear and colder waters have taken their toll on the storm.

Omar is expected to dissipate over the next couple of days.

A tropical wave is approaching the Cabo Verde Islands in the far eastern Atlantic Ocean. Chances are fairly high for further development within the next five days.

A second tropical wave is centered between Africa and the eastern Caribbean which has a medium chance of development over the next five days. We’ll be watching both.

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. 

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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