000 WTNT32 KNHC 290857 TCPAT2 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