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#872616 (Received by flhurricane at: 4:50 AM 21.Aug.2016) TCPAT1 BULLETIN TROPICAL STORM FIONA ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL062016 500 AM AST SUN AUG 21 2016 ...FIONA MOVING WEST-NORTHWESTWARD OVER THE OPEN ATLANTIC... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...22.2N 51.7W ABOUT 745 MI...1200 KM ENE OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 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 Tropical Storm Fiona was located near latitude 22.2 North, longitude 51.7 West. Fiona is moving toward the west-northwest near 16 mph (26 km/h) and this general motion is expected to continue during the next couple of days. Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Gradual weakening is forecast during the next 48 hours. Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center. The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Stewart |