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#872957 (Received by flhurricane at: 4:41 PM 25.Aug.2016) TCPAT2 BULLETIN TROPICAL STORM GASTON ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 500 PM AST THU AUG 25 2016 ...GASTON WEAKENS A LITTLE MORE BUT FORECAST TO RE-STRENGTHEN BY SATURDAY... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...21.6N 45.5W ABOUT 1105 MI...1780 KM ENE OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NW OR 315 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.36 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 center of Tropical Storm Gaston was located near latitude 21.6 North, longitude 45.5 West. Gaston is moving toward the northwest near 17 mph (28 km/h), and this general motion is expected to continue through Friday. A turn toward the west-northwest and a decrease in forward speed are expected by Saturday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Little change in strength is expected tonight or Friday but re-strengthening is anticipated to begin Friday night, and Gaston is forecast to become a hurricane again on Saturday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. The estimated minimum central pressure is 994 mb (29.36 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Brown |