ZCZC HFOTCPCP1 ALL TTAA00 PHFO DDHHMM BULLETIN Hurricane Hector Advisory Number 41 NWS Central Pacific Hurricane Center Honolulu HI EP102018 500 AM HST Fri Aug 10 2018 ...POWERFUL HURRICANE HECTOR MOVING RAPIDLY TOWARD THE WEST-NORTHWEST FAR AWAY FROM THE MAIN HAWAIIAN ISLANDS... SUMMARY OF 500 AM HST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...17.7N 165.9W ABOUT 575 MI...930 KM WSW OF HONOLULU HAWAII ABOUT 245 MI...400 KM ENE OF JOHNSTON ISLAND MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...951 MB...28.09 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Watch for Johnston Island has been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: None. All interests in the Northwestern Hawaiian Islands, including Midway and Kure Atolls and the Papahanaumokuakea Marine National Monument west of French Frigate Shoals, should monitor the progress of Hector. A Tropical Storm Watch may be issued for portions of the Northwestern Hawaiian Islands later today or tonight. This does not include any of the main Hawaiian Islands. DISCUSSION AND OUTLOOK ---------------------- At 500 AM HST (1500 UTC), the center of Hurricane Hector was located near latitude 17.7 North, longitude 165.9 West. Hector is moving toward the west-northwest near 16 mph (26 km/h), and this motion is expected to continue today. Hector is expected to turn toward the northwest from tonight through Saturday night. This forecast track keeps Hector's wind field far away from Johnston Island. Maximum sustained winds are near 130 mph (215 km/h) with higher gusts. Hector is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. There may be slight fluctuations in intensity today and tonight, but Hector will likely remain a powerful hurricane. Some gradual weakening is expected from Saturday through Saturday night. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 110 miles (175 km). The estimated minimum central pressure is 951 mb (28.09 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM HST. $$ Forecaster Houston NNNN