000 WTPA31 PHFO 221458 TCPCP1 BULLETIN Tropical Depression One-C Advisory Number 1 NWS Central Pacific Hurricane Center Honolulu HI CP012024 500 AM HST Thu Aug 22 2024 ...TROPICAL DEPRESSION ONE FORMS IN THE CENTRAL PACIFIC... SUMMARY OF 500 AM HST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...15.4N 140.8W ABOUT 985 MI...1590 KM ESE OF HILO HAWAII ABOUT 1190 MI...1915 KM ESE OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM HST (1500 UTC), the center of Tropical Depression One-C was located near latitude 15.4 North, longitude 140.8 West. The depression is moving toward the west near 14 mph (22 km/h) and this motion is expected to continue during the next couple days. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Some gradual strengthening is forecast during the next 48 hours, and a tropical storm is likely to form later today. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Depression One can be found in the Tropical Cyclone Discussion under AWIPS header TCDCP1 and WMO header WTPA41 PHFO, and on the web at hurricanes.gov/text/HFOTCDCP1.shtml. RAINFALL: From Saturday through Monday, storm total rainfall amounts of 4 to 8 inches are possible along windward areas of the Big Island of Hawaii, with 2 to 4 inches possible over windward sections of the smaller islands. SURF: Swells generated by Tropical Depression One are expected to begin reaching the Hawaiian Islands over the weekend. These swells are likely to cause life-threatening surf and rip currents. Please consult products issued by the National Weather Service in Honolulu, Hawaii. WIND: Strong and gusty winds are expected to develop over the Hawaiian Islands this weekend as Tropical Depression One approaches from the east. NEXT ADVISORY ------------- Next complete advisory at 1100 AM HST. $$ Forecaster Jelsema