000 WTNT31 KNHC 310835 TCPAT1 BULLETIN HURRICANE FRED ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL AL062015 500 AM AST MON AUG 31 2015 ...HURRICANE FRED CONTINUES TO STRENGTHEN AS IT MOVES THROUGH THE EASTERNMOST CAPE VERDE ISLANDS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...15.6N 22.9W ABOUT 35 MI...55 KM S OF RABIL IN THE CAPE VERDE ISLANDS ABOUT 65 MI...100 KM NE OF PRAIA IN THE CAPE VERDE ISLANDS MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Cape Verde Islands A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, in this case within the next 6 to 12 hours. Preparations to protect life and property should be rushed to completion. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 AM AST (0900 UTC), the center of Hurricane Fred was located near latitude 15.6 North, longitude 22.9 West. Fred is moving toward the northwest near 12 mph (19 km/h) and this general motion is expected to continue today as Fred moves through the Cape Verde Islands. A northwestward motion at a slightly slower forward speed is expected on Tuesday. Maximum sustained winds have increased to near 80 mph (130 km/h) with higher gusts. Some additional strengthening is possible today as Fred moves through the Cape Verde Islands. Hurricane-force winds extend outward up to 15 miles (30 km) from the center and tropical-storm-force winds extend outward up to 80 miles (130 km). The estimated minimum central pressure is 989 mb (29.21 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected to reach portions of the Cape Verde Islands this morning, with hurricane conditions by this afternoon. Conditions will rapidly deteriorate on the island of Boa Vista during the next couple of hours. STORM SURGE: A storm surge is expected to produce coastal flooding in areas of onshore winds in the Cape Verde Islands. Near the coast, the surge will be accompanied by large and dangerous waves. RAINFALL: Fred is expected to produce total rain accumulations of 4 to 6 inches over the Cape Verde Islands, with possible isolated maximum amounts of 10 inches. These rains could produce life- threatening flash flooding and mudslides. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM AST. Next complete advisory at 1100 AM AST. $$ Forecaster Stewart