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Potential Tropical Cyclone Six Public Advisory Number 4A
2018-08-31 13:32:00| National Hurricane Center (Atlantic)
Issued at 800 AM AST Fri Aug 31 2018 972 WTNT31 KNHC 311131 TCPAT1 BULLETIN Potential Tropical Cyclone Six Intermediate Advisory Number 4A NWS National Hurricane Center Miami FL AL062018 800 AM AST Fri Aug 31 2018 ...TROPICAL STORM CONDITIONS EXPECTED OVER THE SOUTHERN CABO VERDE ISLANDS LATER TODAY... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...13.7N 21.8W ABOUT 190 MI...305 KM ESE OF THE SOUTHERNMOST CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Cabo Verde Islands of Santiago, Fogo, and Brava A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 to 24 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 AM AST (1200 UTC), the disturbance was centered near latitude 13.7 North, longitude 21.8 West. The system is moving toward the west-northwest near 12 mph (19 km/h), and this motion at a slightly faster forward speed is expected to continue for the next three to four days. On the forecast track, disturbance is expected to move near or over the southern Cabo Verde Islands as a tropical storm later today and tonight. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Strengthening is forecast during the next several days, and the disturbance is expected to become a tropical storm later today or Saturday. Environmental conditions are favorable for the system to become a tropical cyclone later today. * Formation chance through 48 hours... high...90 percent * Formation chance through 5 days...high...90 percent The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: The system could produce total rain accumulations of 4 to 8 inches across the southern Cabo Verde Islands. These rains could produce life-threatening flash floods. WINDS: Tropical storm conditions are expected in the southern Cabo Verde Islands later today and tonight. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Avila
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