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Tropical Storm Nana Forms in Caribbean, Omar In Atlantic

The tropics are not slowing down as we begin September with two active tropical cyclones in the Atlantic, both of which formed on Monday.


What You Need To Know

  • Tropical Storm Omar formed off the southeast U.S. coast on Tuesday
  • Most of Omar’s impacts will remain out in the open Atlantic
  • Tropical Storm Nana is moving west towards Honduras and Belize
  • Another tropical wave comes off Africa soon

Tropical Storm Nana formed in the Caribbean Sea on Tuesday afternoon and is on a west-northwest track towards Belize and Honduras.

Tropical storm watches and warnings are already in effect for the coasts of Honduras and Belize.

Nana is expected to strengthen as it inches closer to land due to low wind shear and warmer waters, and it could potentially reach hurricane strength before making landfall in Central America.

Meanwhile off the coast of North Carolina, Tropical Storm Omar will stay offshore as it moves to the east-northeast at 14 mph. 

Omar is more than 100 miles east of Cape Hatteras, North Carolina. The main impact to land will be swells causing dangerous rip currents along the Outer Banks of North Carolina.

That said, stronger wind shear has developed and will continue to batter Omar, which should dissipate the system as it heads out to sea.

Forecast track for Tropical Storm Omar.

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 still over far western Africa and is forecast to move into the Atlantic. For now, chances are medium for further development within the next five days.

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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