{"id": "1200871208655683591", "title": "Public Tropical Cyclone Advisory", "adv_date": "2026-08-12T15:00:00Z", "msg": "857\nWTPA32 PHFO 121506\nTCPCP2\n \nBULLETIN\nPotential Tropical Cyclone One-C Advisory Number   1\nNWS Central Pacific Hurricane Center Honolulu HI   CP012026\nIssued by NWS National Hurricane Center Miami FL\n500 AM HST Wed Aug 12 2026\n \n...DISTURBANCE FORECAST TO STRENGTHEN BEFORE NEARING THE HAWAIIAN \nISLANDS BY LATE FRIDAY...\n \n \nSUMMARY OF 500 AM HST...1500 UTC...INFORMATION\n----------------------------------------------\nLOCATION...15.0N 141.8W\nABOUT 935 MI...1505 KM ESE OF HILO HAWAII\nABOUT 1140 MI...1835 KM ESE OF HONOLULU HAWAII\nMAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H\nPRESENT MOVEMENT...W OR 270 DEGREES AT 10 MPH...17 KM/H\nMINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES\n \n \nWATCHES AND WARNINGS\n--------------------\nInterests in the Hawaiian Islands should closely monitor the\nprogress of this system.  A Hurricane or Tropical Storm Watch will\nlikely be required for these islands by early Thursday.\n \n \nDISCUSSION AND OUTLOOK\n----------------------\nAt 500 AM HST (1500 UTC), the disturbance was centered near latitude\n15.0 North, longitude 141.8 West. The system is moving toward the\nwest near 10 mph (17 km/h) and a westward to west-northwestward\nmotion is expected over the next few days.  On the forecast track,\nthe center will be nearing the Hawaiian Islands by late Friday.\n \nMaximum sustained winds are near 35 mph (55 km/h) with higher gusts.\nSome strengthening is forecast during the next 48 hours, and the\nsystem is expected to become a tropical storm during the next day\nor so.\n* Formation chance through 48 hours...high...90 percent.\n* Formation chance through 7 days...high...90 percent.\n \nThe estimated minimum central pressure is 1003 mb (29.62 inches).\n \n \nHAZARDS AFFECTING LAND\n----------------------\nKey messages for Potential Tropical Cyclone One-C can be found in\nthe Tropical Cyclone Discussion under AWIPS header HFOTCPCP2 and\nWMO header WTPA42 PHFO.\n \nWIND:  There is an increasing risk of wind impacts in the Hawaiian\nIslands regardless of the exact track of this system.\n \nRAINFALL: The Potential Tropical Cyclone is expected to produce\nrainfall totals of 5 to 10 inches across much of the Island chain,\nwith maximum totals of 20 inches possible. This rainfall may produce\nlife-threatening flooding and mudslides, especially in areas of\nsteep terrain.\n \nFor a complete depiction of forecast rainfall associated with the\nPotential  Tropical Cyclone, please see the National Weather Service\nStorm Total Rainfall Graphic available at\nhurricanes.gov/graphics_cp01.shtml?rainqpf\n \n \nNEXT ADVISORY\n-------------\nNext complete advisory at 1100 AM HST.\n \n"}