000 WTNT31 KNHC 172040 TCPAT1 BULLETIN TROPICAL STORM FIONA ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL062016 500 PM AST WED AUG 17 2016 ...DEPRESSION STRENGTHENS INTO SIXTH NAMED STORM OF THE SEASON OVER THE CENTRAL TROPICAL ATLANTIC...... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...15.1N 37.8W ABOUT 920 MI...1480 KM W OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...NW OR 305 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 PM AST (2100 UTC), the center of Tropical Storm Fiona was located near latitude 15.1 North, longitude 37.8 West. Fiona is moving toward the northwest near 16 mph (26 km/h). A motion toward the northwest or west-northwest with some decrease in forward speed is expected during the next couple of days. Maximum sustained winds have increased to near 40 mph (65 km/h) with higher gusts. Some additional strengthening is forecast during the next 48 hours. Tropical-storm-force winds extend outward up to 25 miles (35 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 PM AST. $$ Forecaster Stewart