000 WTNT32 KNHC 282031 TCPAT2 BULLETIN HURRICANE GASTON ADVISORY NUMBER 25 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 500 PM AST SUN AUG 28 2016 ...GASTON STRENGTHENS INTO THE FIRST MAJOR HURRICANE OF THE SEASON... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...30.8N 55.1W ABOUT 580 MI...935 KM E OF BERMUDA MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...962 MB...28.41 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 PM AST (2100 UTC), the eye of Hurricane Gaston was located near latitude 30.8 North, longitude 55.1 West. Gaston is moving toward the northwest near 5 mph (7 km/h), and a turn toward the north is expected on Monday, followed by a turn toward the northeast and then east-northeast with some increase in forward speed on Tuesday. Satellite images indicate that the maximum sustained winds have increased to near 115 mph (185 km/h) with higher gusts. Gaston is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Little change in strength is forecast during the next 48 hours. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The estimated minimum central pressure is 962 mb (28.41 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Pasch