ZCZC MIATCPAT2 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE GASTON ADVISORY NUMBER 27 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 500 AM AST MON AUG 29 2016 ...GASTON DRIFTS NORTHWARD AND WEAKENS A LITTLE... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...30.8N 55.2W ABOUT 575 MI...925 KM E OF BERMUDA MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 1 MPH...2 KM/H MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 AM AST (0900 UTC), the center of Hurricane Gaston was located near latitude 30.8 North, longitude 55.2 West. Gaston is currently drifting northward. A turn toward the northeast and a faster forward speed are expected later today or tonight, and an east-northeastward motion is expected on Tuesday. Maximum sustained winds have decreased to near 115 mph (185 km/h) with higher gusts. Gaston is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Additional slow weakening is forecast during the next 48 hours. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The estimated minimum central pressure is 960 mb (28.35 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Beven NNNN