ZCZC HFOTCPCP2 ALL TTAA00 PHFO DDHHMM BULLETIN Tropical Storm Douglas Advisory Number 31 NWS Central Pacific Hurricane Center Honolulu HI EP082020 500 PM HST Mon Jul 27 2020 ...WEAKENING DOUGLAS CONTINUES MOVING WESTWARD... ...TROPICAL STORM WARNING IN EFFECT FOR PORTIONS OF THE PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT... SUMMARY OF 500 PM HST...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...22.9N 163.3W ABOUT 255 MI...415 KM WNW OF LIHUE HAWAII ABOUT 200 MI...325 KM ESE OF FRENCH FRIGATE SHOALS MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... All Hurricane Watches and Warnings for the Papahanaumokuakea National Monument have been cancelled. A Tropical Storm Warning is now in effect for... * Portions of the Papahanaumokuakea Marine National Monument from Nihoa to Maro Reef A Tropical Storm Watch is now in effect for... * Portions of the Papahanaumokuakea National Marine Monument from Maro Reef to Lisianski SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A Tropical Storm Warning is now in effect for... * Portions of the Papahanaumokuakea Marine National Monument from Nihoa to Maro Reef A Tropical Storm Watch is now in effect for... * Portions of the Papahanaumokuakea National Marine Monument from Maro Reef to Lisianski A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 to 24 hours. A Tropical Storm Watch means that tropical storm conditions are possible somewhere within the watch area, in this case within the next to 36 to 48 hours. Interests elsewhere in the Papahanaumokuakea Marine National Monument should monitor the progress of this system. 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 Douglas was located near latitude 22.9 North, longitude 163.3 West. Douglas is moving toward the west near 17 mph (28 km/h) and this motion is expected to continue into Wednesday. Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Some weakening is forecast through Wednesday. Douglas is now a tropical storm. Tropical-storm-force winds extend outward up to 105 miles (165 km) from the center. The estimated minimum central pressure is 993 mb (29.33 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm force winds are expected over portions of the Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals tonight. Tropical storm conditions are expected from French Frigate Shoals to Maro Reef Tuesday and Tuesday night. Tropical storm conditions are possible from Maro Reef to Lisianski Tuesday night and Wednesday. SURF: Large swells generated by Douglas will impact a large swath of the Papahanaumokuakea Marine National Monument the next couple of days. These swells will produce large breaking waves that could inundate some of the lower-lying atolls. RAINFALL: Rainfall associated with Douglas will impact portions of the Papahanaumokuakea Marine National Monument over the next couple of days. NEXT ADVISORY ------------- Next intermediate advisory at 800 PM HST. Next complete advisory at 1100 PM HST. $$ Forecaster Powell NNNN