ZCZC HFOTCPCP2 ALL TTAA00 PHFO DDHHMM BULLETIN Hurricane Lane Advisory Number 38 NWS Central Pacific Hurricane Center Honolulu HI EP142018 500 PM HST Thu Aug 23 2018 ...DANGEROUS HURRICANE LANE SOUTH OF THE MAIN HAWAIIAN ISLANDS AND MOVING TOWARD THE NORTH-NORTHWEST... SUMMARY OF 500 PM HST...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...17.8N 157.9W ABOUT 180 MI...290 KM SW OF KAILUA-KONA HAWAII ABOUT 240 MI...390 KM S OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...959 MB...28.32 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Hurricane Warning for the Big Island has been changed to a Tropical Storm Warning. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Oahu * Maui County...including the islands of Maui, Lanai, Molokai and Kahoolawe A Tropical Storm Warning is in effect for... * Hawaii County A Hurricane Watch is in effect for... * Kauai County...including the islands of Kauai and Niihau A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. A Hurricane Watch means that hurricane conditions are possible within the watch area. Interests in the Northwestern Hawaiian Islands should monitor the progress of Hurricane Lane. For storm information specific to your area, please monitor products issued by the National Weather Service office in Honolulu Hawaii. DISCUSSION AND OUTLOOK ---------------------- At 500 PM HST (0300 UTC), the eye of Hurricane Lane was located by radar and satellite imagery near latitude 17.8 North, longitude 157.9 West. Lane is moving toward the north-northwest near 6 mph (9 km/h). A slow general northward motion is expected to continue through Friday. A turn toward the west is expected Saturday and Sunday, with and increase in forward speed. On the forecast track, the center of Lane will move over, or dangerously close to portions of the main Hawaiian islands tonight and Friday. Maximum sustained winds are near 120 mph (195 km/h) with higher gusts. Lane is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some weakening is forecast during the next 48 hours, but Lane is expected to remain a hurricane as it draws closer to the islands. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 125 miles (205 km). The estimated minimum central pressure is 959 mb (28.32 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected on portions of the Big Island tonight and Friday. Tropical storm conditions are expected to begin over portions of Maui County tonight, with hurricane conditions expected in some areas Friday. Tropical storm conditions are expected to begin on Oahu late tonight, with hurricane conditions expected Friday into Friday night. Tropical storm or hurricane conditions are possible on Kauai on Saturday. RAINFALL: Rain bands will continue to overspread the Hawaiian Islands well ahead of Lane. Excessive rainfall associated with this slow moving hurricane will continue to impact the Hawaiian Islands into the weekend, leading to significant and life-threatening flash flooding and landslides. Lane is expected to produce total rain accumulations of 10 to 20 inches, with localized amounts in excess of 30 inches over portions of the Hawaiian Islands. Over two feet of rain has already fallen at a couple of locations on the windward side of the Big Island. SURF: As Lane is slow-moving, large swells generated by the hurricane will severely impact the Hawaiian Islands over the next couple of days. These swells will produce very large and damaging surf along exposed west and south facing shorelines. A prolonged period of high surf will likely lead to significant coastal erosion. STORM SURGE: The combination of a dangerous storm surge and large breaking waves will raise water levels by as much as 2 to 4 feet above normal tide levels along south and west facing shores near the center of Lane. The surge will be accompanied by large and destructive waves. NEXT ADVISORY ------------- Next intermediate advisory at 800 PM HST. Next complete advisory at 1100 PM HST. $$ Forecaster R Ballard NNNN
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