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Special Tropical Weather Outlook...Corrected
NWS National Hurricane Center Miami FL
1000 AM EDT Thu Sep 21 2023

Corrrected time in the product

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

Special outlook issued to raise probabilities and update discussion 

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

1. Off the Southeastern United States Coast (AL99):
Updated...A trough of low pressure located several hundred miles 
east of the Florida peninsula continues to produce a large area of 
disorganized showers and thunderstorms. A non-tropical low pressure 
system is expected to form within this area by early Friday, and 
there are increasing chances that this system could acquire some 
tropical or subtropical characteristics on Friday or early Saturday 
while it moves generally northward toward the coast of North 
Carolina. Regardless of tropical or subtropical development, this 
low is likely to bring tropical storm force winds, heavy rain, 
coastal flooding, and high surf to portions of the southeast and 
mid-Atlantic United States coastline on Friday and into the 
weekend. Tropical Storm watches or warnings could be required for 
this system as soon as later this morning. Additional information on 
this system, including storm and gale warnings, can be found in High 
Seas Forecasts and products from your local National Weather Service 
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 7 days...medium...50 percent.

2. Eastern Tropical Atlantic:
A tropical wave located just west of the Cabo Verde Islands is 
producing some disorganized shower and thunderstorm activity. 
Environmental conditions are forecast to be conducive for gradual 
development of this system, and a tropical depression is likely to 
form this weekend or early next week while the system moves 
generally westward at 10 to 15 mph across the eastern and central 
tropical Atlantic.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...high...70 percent.

High Seas Forecasts issued by the National Weather Service
can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 
KWBC, and online at

Forecaster Reinhart/Brown

List of Atlantic Outlooks (May 2023 - Present)
List of East Pacific Outlooks (May 2023 - Present)
List of Central Pacific Outlooks (May 2023 - Present)
List of Atlantic Outlooks (July 2014 - April 2023)
List of East Pacific Outlooks (July 2014 - April 2023)
List of Central Pacific Outlooks (June 2019 - April 2023)
List of Atlantic Outlooks (June 2009 - June 2014)
List of East Pacific Outlooks (June 2009 - June 2014)