WTPA35 PHFO 010600 TCPCP5 BULLETIN Tropical Storm Madeline Intermediate Advisory Number 23A NWS Central Pacific Hurricane Center Honolulu HI EP142016 800 PM HST Wed Aug 31 2016 ...WEAKENING TROPICAL STORM MADELINE PASSING SOUTH OF THE BIG ISLAND... SUMMARY OF 800 PM HST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...17.3N 155.9W ABOUT 175 MI...280 KM S OF HILO HAWAII ABOUT 305 MI...490 KM SE OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...SW OR 240 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Hawaii County * Maui County including the islands of Maui, Molokai, Lanai and Kahoolawe A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the watch area, in this case over the next 12 hours. Preparations to protect life and property should be complete. For storm information specific to your area, please monitor products issued by the National Weather Service office in Honolulu Hawaii. DISCUSSION AND OUTLOOK ---------------------- At 800 PM HST (0600 UTC), the center of Tropical Storm Madeline was located near latitude 17.3 North, longitude 155.9 West. Madeline is moving toward the southwest near 15 mph (24 km/h). This general motion is expected to continue tonight with a gradual turn toward the west on Thursday and Friday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Steady weakening is expected over the next couple of days. Tropical-storm-force winds extend outward up to 105 miles (165 km) from the center. Wind gusts as high as 60 mph (97 km/h) have been reported in North Kohala in Hawaii County earlier today. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected to continue over Hawaii County and isolated portions of Maui County tonight. Winds will be strongest over mountains and where winds blow downslope from higher terrain. SURF: Swells generated by Madeline will peak in Hawaiian waters tonight, and could be damaging along east facing shores of Hawaii County, especially in the Puna and Kau Districts. RAIN: Madeline is expected to produce total rain accumulations of 5 to 10 inches, with isolated maximum amounts near 15 inches, across Hawaii County, especially over windward areas and the Kau District. Total rainfall accumulations of 1 to 3 inches, with isolated maximum amounts up to 4 inches, can be expected in the islands of Maui County, mainly over windward terrain. This rainfall may lead to dangerous flash floods and mudslides. NEXT ADVISORY ------------- Next complete advisory at 1100 PM HST. $$ Forecaster Birchard