000 WTPA31 PHFO 162033 TCPCP1 BULLETIN Tropical Storm Darby Advisory Number 30 NWS Central Pacific Hurricane Center Honolulu HI EP052022 1100 AM HST Sat Jul 16 2022 ...DARBY WEAKENING AS IT PASSES SOUTH OF THE BIG ISLAND... SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION ----------------------------------------------- LOCATION...17.7N 155.5W ABOUT 140 MI...225 KM S OF HILO HAWAII ABOUT 295 MI...470 KM SSE OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 22 MPH...35 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM HST (2100 UTC), the center of Tropical Storm Darby was located near latitude 17.7 North, longitude 155.5 West. Darby is moving toward the west near 22 mph (35 km/h) and this motion is expected to continue until the cyclone dissipates on Sunday. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Darby is forecasted to become a tropical depression later today and become a post-tropical remnant low tonight, and dissipates on Sunday. Tropical-storm-force winds extend outward up to 35 miles (55 km) from the center. The estimated minimum central pressure is 1007 mb (29.74 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 currents. 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 windward Big Island. These rains may cause minor flooding especially in low-lying and poor drainage areas. NEXT ADVISORY ------------- Next complete advisory at 500 PM HST. $$ Forecaster Kodama