000 ACPN50 PHFO 171739 TWOCP Tropical Weather Outlook NWS Central Pacific Hurricane Center Honolulu HI 800 AM HST Tue Sep 17 2019 For the central North Pacific...between 140W and 180W: Showers and thunderstorms associated with an area of low pressure about 550 miles southwest of Honolulu, Hawaii have become better organized over the past 12 hours. Environmental conditions are expected to be marginally conducive for some development over the next 24 hours as the system moves toward the northwest. By late Wednesday or Thursday, environmental conditions will become less conducive for development as the low interacts with another disturbance approaching from the west. Regardless of development, this system is expected to bring locally gusty winds and heavy rain to portions of the Papahanaumokuakea Marine National Monument over the next several days. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...medium...50 percent. Showers and thunderstorms associated with a broad area of low pressure, located about 900 miles west-southwest of Kauai, continues to remain disorganized. This system is expected to slowly move northeast into unfavorable environmental conditions. Development, if any, will be slow to occur. Regardless of development, this system is expected to bring locally gusty winds and heavy rain to portions of the Papahanaumokuakea Marine National Monument over the next several days. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...20 percent. An elongated area of low pressure lies around 700 miles southeast of the Big Island of Hawaii. Slow development is possible during the next several days while the area slowly moves westward. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. Elsewhere, no tropical cyclones are expected during the next 5 days. $$ Forecaster TS