For the North Atlantic, Caribbean Sea, and the Gulf of Mexico:
Central Tropical Atlantic (AL92): The organization of showers and thunderstorms associated with a large area of low pressure, located several hundred miles west-southwest of the Cabo Verde Islands, is improving.
Favorable environmental conditions are expected to support further development, and it is anticipated that a tropical depression or tropical storm will form later today or tonight. This system is projected to move generally westward at a speed of 15 to 20 mph across the central tropical Atlantic during the middle of this week.
For more details on this system, including gale warnings, please refer to the High Seas Forecasts issued by the National Weather Service.
- Likelihood of formation within 48 hours: high (90 percent).
- Likelihood of formation within 7 days: high (90 percent).
- Eastern Tropical Atlantic: A tropical wave is causing scattered showers and thunderstorms, but they are currently disorganized. This disturbance is located several hundred miles south of the Cabo Verde Islands.
There is a possibility of gradual development as this system moves westward at a speed of 10 to 15 mph across the eastern and central tropical Atlantic during the middle and latter parts of this week.
- Likelihood of formation within 48 hours: low (20 percent).
- Likelihood of formation within 7 days: low (30 percent).
You can find the High Seas Forecasts issued by the National Weather Service under the AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php.