ZCZC HFOTCPCP5 ALL TTAA00 PHFO DDHHMM BULLETIN Tropical Storm Olivia Advisory Number 50 NWS Central Pacific Hurricane Center Honolulu HI EP172018 500 PM HST Wed Sep 12 2018 ...WEAKENING OLIVIA MOVING AWAY FROM THE STATE TOWARD THE WEST-SOUTHWEST... SUMMARY OF 500 PM HST...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...20.1N 159.0W ABOUT 110 MI...175 KM SW OF HONOLULU HAWAII ABOUT 145 MI...235 KM WSW OF KAUNAKAKAI HAWAII MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...WSW OR 255 DEGREES AT 20 MPH...31 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Warning has been discontinued for Oahu and Maui County...including the islands of Maui...Molokai...and Lanai. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. Interests in the Northwest Hawaiian Islands should monitor the progress of Olivia. 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 center of Tropical Storm Olivia was located near latitude 20.1 North, longitude 159.0 West. Olivia is moving toward the west-southwest near 20 mph (31 km/h). This motion is expected to continue through tomorrow with a slight decrease in forward speed, followed by a turn toward the west on Friday. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Weakening is forecast during the next 48 hours, and Olivia is expected to become a post-tropical remnant low on Thursday night or Friday. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Areas of heavy rainfall will persist through Thursday night. Moisture associated with Olivia is expected to produce total rainfall accumulations of 5 to 10 inches in some areas, with isolated amounts of 15 inches, especially in higher terrain. This rainfall may produce life-threatening flash flooding. Nine inches of rain have already fallen over parts of Maui. SURF: Large swells generated by Olivia will impact parts of the main Hawaiian Islands into tonight. This will result in dangerous surf along east facing shores. NEXT ADVISORY ------------- Next complete advisory at 1100 PM HST. $$ Forecaster Wroe NNNN