010 WTPA31 PHFO 160233 TCPCP1 BULLETIN Tropical Storm Darby Advisory Number 27 NWS Central Pacific Hurricane Center Honolulu HI EP052022 500 PM HST Fri Jul 15 2022 ...WEAKENING DARBY EAST-SOUTHEAST OF HAWAII CONTINUES TO MOVE TO THE WEST... ...EXPECTED TO BRING LOCALLY HEAVY RAIN AND ELEVATED SURF TO THE BIG ISLAND THIS WEEKEND... SUMMARY OF 500 PM HST...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...17.7N 149.4W ABOUT 400 MI...640 KM ESE OF HILO HAWAII ABOUT 605 MI...975 KM ESE OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 20 MPH...31 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM HST (0300 UTC), the center of Tropical Storm Darby was located near latitude 17.7 North, longitude 149.4 West. Darby is moving toward the west near 20 mph (31 km/h) and this motion is expected to continue over the next couple of days. On the forecast track, the remnant center of Darby will pass south of the Big Island Saturday. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Darby is expected to weaken to a remnant low Saturday, before dissipating Sunday. Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center. The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Large swells generated by Darby are expected to affect portions of the Hawaiian Islands over the weekend. These swells are likely to produce hazardous surf and dangerous rip current conditions. Please consult products from your local National Weather Service office in Honolulu, Hawaii for further details. RAINFALL: Darby is expected to produce localized storm total rainfall of 2 to 4 inches along portions of mainly windward Big Island and windward Maui. These rains may cause nuisance flooding especially in low-lying and poor drainage areas. NEXT ADVISORY ------------- Next complete advisory at 1100 PM HST. $$ Forecaster M Ballard/R Ballard