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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 PM EDT Sun Sep 17 2023

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

Active Systems:
The National Hurricane Center is issuing advisories on Tropical 
Storm Nigel, located over the central subtropical Atlantic.

1. Eastern Tropical Atlantic:
A tropical wave is forecast to move off the west coast of Africa by 
Wednesday.  Environmental conditions are forecast to be conducive 
for gradual development of the wave thereafter, and a tropical 
depression could form late this week or next weekend while the 
system moves westward across the eastern and central tropical 
Atlantic.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...medium...50 percent.

2. Western Atlantic:
A non-tropical area of low pressure could form near the southeast 
coast of the United States late this week.  This system is forecast 
to move northward or northwestward and could acquire some 
subtropical characteristics if it remains offshore.  
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...low...20 percent.

Forecaster Brown