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| #939801 (Received by flhurricane at: 10:39 PM 12.Sep.2018) TCPAT3 BULLETIN Hurricane Helene Advisory Number 23 NWS National Hurricane Center Miami FL AL082018 1100 PM AST Wed Sep 12 2018 ...HELENE WEAKENS SOME MORE... ...INTERESTS IN THE AZORES SHOULD MONITOR THE PROGRESS OF HELENE... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...22.4N 36.9W ABOUT 1270 MI...2045 KM SSW OF LAJES AIR BASE IN THE AZORES ABOUT 1225 MI...1975 KM SSW OF THE AZORES MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...N OR 350 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...983 MB...29.03 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in the Azores should monitor the progress of Helene. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Hurricane Helene was located near latitude 22.4 North, longitude 36.9 West. Helene is moving toward the north near 13 mph (20 km/h). A turn toward the north-northeast with an increase in forward speed is expected Thursday night followed by a turn toward the northeast over the weekend. Maximum sustained winds have decreased to near 80 mph (130 km/h) with higher gusts. Continued weakening is forecast over the next couple of days, and Helene is expected to become a tropical storm on Thursday. Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 175 miles (280 km). The estimated minimum central pressure is 983 mb (29.03 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Roberts |
