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| #939513 (Received by flhurricane at: 10:42 AM 11.Sep.2018) TCPAT3 BULLETIN Hurricane Helene Advisory Number 17 NWS National Hurricane Center Miami FL AL082018 1100 AM AST Tue Sep 11 2018 ...HELENE TURNING NORTHWESTWARD OVER THE COOLER WATERS OF THE EASTERN ATLANTIC... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...16.5N 34.3W ABOUT 670 MI...1075 KM W OF THE SOUTHERNMOST CABO VERDE ISLANDS ABOUT 1550 MI...2495 KM SSW OF THE AZORES MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...966 MB...28.53 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the eye of Hurricane Helene was located near latitude 16.5 North, longitude 34.3 West. Helene is moving toward the northwest near 12 mph (19 km/h). This motion is expected to continue today with a turn toward the north-northwest and northward thereafter. Maximum sustained winds remain near 110 mph (175 km/h) with higher gusts. Gradual weakening should begin tonight, and Helene is forecast to become a tropical storm on Thursday. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The estimated minimum central pressure is 966 mb (28.53 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Avila |
