336 WTNT31 KNHC 041436 TCPAT1 BULLETIN Hurricane Florence Advisory Number 21 NWS National Hurricane Center Miami FL AL062018 1100 AM AST Tue Sep 04 2018 ...FLORENCE BECOMES THE THIRD HURRICANE OF THE ATLANTIC SEASON... ...NO THREAT TO LAND THROUGH THE WEEKEND... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...19.7N 42.5W ABOUT 1240 MI...2000 KM WNW OF THE CABO VERDE ISLANDS ABOUT 1270 MI...2045 KM ENE OF THE LESSER ANTILLES MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...990 MB...29.24 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Hurricane Florence was located near latitude 19.7 North, longitude 42.5 West. Florence is moving toward the west-northwest near 12 mph (19 km/h), and this motion is expected to continue through Wednesday. A slower northwestward motion is forecast to begin Thursday and continue through the weekend. Maximum sustained winds have increased to near 75 mph (120 km/h) with higher gusts. Little change in strength is expected through tonight, but weakening is forecast to begin on Wednesday and continue through Friday. Hurricane-force winds extend outward up to 15 miles (30 km) from the center, and tropical-storm-force winds extend outward up to 105 miles (165 km). The estimated minimum central pressure is 990 mb (29.24 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Berg