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| #939564 (Received by flhurricane at: 4:36 PM 11.Sep.2018) TCPAT3 BULLETIN Hurricane Helene Advisory Number 18 NWS National Hurricane Center Miami FL AL082018 500 PM AST Tue Sep 11 2018 ...HELENE EXPECTED TO GRADUALLY WEAKEN OVER THE COOLER WATERS OF THE EASTERN ATLANTIC... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...17.2N 34.9W ABOUT 725 MI...1170 KM W OF THE CABO VERDE ISLANDS ABOUT 1515 MI...2435 KM SSW OF THE AZORES MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...968 MB...28.59 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM AST (2100 UTC), the eye of Hurricane Helene was located near latitude 17.2 North, longitude 34.9 West. Helene is moving toward the northwest near 12 mph (19 km/h) and this motion is expected to continue tonight with a turn toward the north-northwest on Wednesday. Thereafter, Helene should recurve northeastward with increasing forward speed. Maximum sustained winds are near 105 mph (165 km/h) with higher gusts. Weakening is forecast, and Helene should weaken to 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 968 mb (28.59 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Avila |
