000
ABNT20 KNHC 261124
TWOAT 

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 AM EDT Thu Sep 26 2024

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

Active Systems:
The National Hurricane Center is issuing advisories on Hurricane 
Helene, located over the southeastern Gulf of Mexico and on Tropical 
Storm Isaac, located over the central Subtropical Atlantic Ocean. 

Eastern and Central Tropical Atlantic (AL98):
Shower and thunderstorm activity associated with an area of low 
pressure located several hundred miles west of the Cabo Verde 
Islands has become more organized during the past several hours. 
Environmental conditions appear conducive for continued development 
of this system, and a tropical depression could form as soon as 
later today while it moves generally westward to west-northwestward 
near 15 mph today and tomorrow.  The system is then forecast to 
slow down and turn northward late Friday and Saturday.
* Formation chance through 48 hours...high...80 percent. 
* Formation chance through 7 days...high...90 percent.

&&
Public Advisories on Tropical Storm Isaac are issued under WMO 
header WTNT35 KNHC and under AWIPS header MIATCPAT5. 
Forecast/Advisories on Tropical Storm Isaac are issued under WMO 
header WTNT25 KNHC and under AWIPS header MIATCMAT5.

$$
Forecaster D. Zelinsky