000 WTNT32 KNHC 231435 TCPAT2 BULLETIN TROPICAL STORM GASTON ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 1100 AM AST TUE AUG 23 2016 ...GASTON STILL STRENGTHENING WHILE MOVING QUICKLY WEST-NORTHWESTWARD... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...13.8N 34.6W ABOUT 685 MI...1105 KM W OF THE SOUTHERNMOST CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 1100 AM AST (1500 UTC), the center of Tropical Storm Gaston was located near latitude 13.8 North, longitude 34.6 West. Gaston is moving toward the west-northwest near 21 mph (33 km/h). A gradual turn toward the northwest is expected during the next couple of days with a decrease in forward speed. Maximum sustained winds have increased to near 65 mph (100 km/h) with higher gusts. Additional strengthening is likely, and Gaston should become a hurricane later today. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Kimberlain