NWS National Hurricane Center Miami FL
800 AM EDT Wed Sep 25 2024
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical Storm Helene, located over the north-western Caribbean Sea.
Eastern and Central Tropical Atlantic (AL98):
A broad low pressure system associated with a tropical wave located west of the Cabo Verde Islands continues to produce disorganized shower and thunderstorm activity. Environmental conditions ap-pear favorable for gradual development of this system, and a tropical depression is likely to form in a few days while it moves westward to west-northwestward across the eastern and central tropica Alt-lantic.
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 7 days...high...80 percent.
Central Subtropical Atlantic (AL99):
A non-tropical area of low pressure is currently located several hundred miles to the northeast of Bermuda. The system is currently producing winds up to storm force, and environmental conditions could support some subtropical or tropical development over the next several days as the system moves generally eastward, remaining over the open waters of central Subtropical Atlantic. Additional information on this system, including storm warnings, can be found in High Seas Forecasts issued by the National Weather Service.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...low...20 percent.
Forecaster Kelly