000 WTNT31 KNHC 212031 TCPAT1 BULLETIN TROPICAL STORM FIONA ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL062016 500 PM AST SUN AUG 21 2016 ...FIONA MAINTAINING TROPICAL STORM STRENGTH FOR NOW... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...23.4N 54.9W ABOUT 625 MI...1005 KM NE OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 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 Fiona was located near latitude 23.4 North, longitude 54.9 West. Fiona is moving toward the west-northwest near 17 mph (28 km/h) and this general heading with some decrease in forward speed is expected to continue for the next couple of days. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Some weakening is forecast during the next 24 hours, and Fiona could weaken to a tropical depression tonight or Tuesday. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Brown