ZCZC HFOTCPCP1 ALL TTAA00 PHFO DDHHMM BULLETIN Hurricane Hector Advisory Number 38 NWS Central Pacific Hurricane Center Honolulu HI EP102018 1100 AM HST Thu Aug 09 2018 ...HECTOR STILL A MAJOR HURRICANE... ...TROPICAL STORM CONDITIONS ARE POSSIBLE ON JOHNSTON ISLAND FRIDAY... SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION ----------------------------------------------- LOCATION...16.9N 161.5W ABOUT 385 MI...620 KM SW OF HONOLULU HAWAII ABOUT 530 MI...850 KM E OF JOHNSTON ISLAND MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Johnston Island A Tropical Storm Watch means tropical storm conditions are possible within the next 48 hours. Interests in the Northwestern Hawaiian Islands, including Midway and Kure Atolls and the Papahanaumokuakea Marine National Monument west of Laysan Island, should monitor the progress of Hector. This does not include the main Hawaiian Islands. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM HST (2100 UTC), the eye of Hurricane Hector was located near latitude 16.9 North, longitude 161.5 West. Hector is moving toward the west near 16 mph (26 km/h) and this general motion is expected to continue through today. A gradual turn toward the west-northwest is expected tonight through late Friday. On the forecast track, the center of Hector is expected to pass 100 to 200 miles north of Johnston Island late Friday. Maximum sustained winds are near 120 mph (195 km/h) with higher gusts. Hector is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Little change in strength is forecast through Friday night, with slow weakening afterward. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 90 miles (150 km). The estimated minimum central pressure is 957 mb (28.26 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Hector should begin to impact Johnston Island tonight. This will likely produce large and dangerous waves along portions of the island from late tonight through Friday night. NEXT ADVISORY ------------- Next intermediate advisory at 200 PM HST. Next complete advisory at 500 PM HST. $$ Forecaster Kodama NNNN