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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 AM EDT Fri Sep 22 2023

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

Active Systems:
The National Hurricane Center has issued its last advisory on 
Post-Tropical Cyclone Nigel, located over the northeast Atlantic.

The National Hurricane Center is issuing advisories on Potential 
Tropical Cyclone Sixteen, located over the southwestern Atlantic.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 7 days...high...80 percent.

1. Central Tropical Atlantic (AL90):
Shower and thunderstorm activity associated with an area of low 
pressure located about 600 miles west-southwest of the Cabo Verde 
Islands continues to show signs of organization. Further development 
is expected, and a tropical depression is likely to form during the 
next couple of days while the system moves generally westward at 10 
to 15 mph. The system is then expected to turn west-northwestward 
early next week as it moves over the central tropical Atlantic.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 7 days...high...90 percent.

Public Advisories on Potential Tropical Cyclone Sixteen are issued 
under WMO header WTNT31 KNHC and under AWIPS header MIATCPAT1.
Forecast/Advisories on Potential Tropical Cyclone Sixteen are issued 
under WMO header WTNT21 KNHC and under AWIPS header MIATCMAT1.

Additional information on Nigel can be found in High Seas Forecasts 
issued by the UK Met Office under WMO header FQNT21 EGRR and on the 
web at 
https://www.metoffice.gov.uk/weather/specialist-forecasts/coast-and-
sea/high-seas-forecast.

Forecaster D. Zelinsky