


Tropical Weather Outlook and Summary
Issued by NWS
Issued by NWS
323 ABNT20 KNHC 200514 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Wed Aug 20 2025 For the North Atlantic...Caribbean Sea and the Gulf of America: Active Systems: The National Hurricane Center is issuing advisories on Hurricane Erin, located over the southwestern Atlantic Ocean. Near the Leeward Islands in the Tropical Atlantic: A tropical wave located over the central tropical Atlantic continues to produce a broad area of disorganized showers and thunderstorms. Environmental conditions appear conducive for gradual development of this system, and a tropical depression could form late this week or over the weekend while it moves near or the north of the northern Leeward Islands. * Formation chance through 48 hours...low...10 percent. * Formation chance through 7 days...medium...60 percent. Eastern Tropical Atlantic (AL99): Recent satellite-derived wind data indicate that a concentrated area of showers and thunderstorms located just southwest of the Cabo Verde Islands lacks a closed surface circulation. Environmental conditions appear marginally favorable for additional development over the next day or so while the system moves westward at around 15 mph. By the end of the week, environmental conditions are expected to become unfavorable for further development. * Formation chance through 48 hours...low...30 percent. * Formation chance through 7 days...low...30 percent. $$ Forecaster Roberts