117 ACPN50 PHFO 171720 TWOCP Tropical Weather Outlook NWS Central Pacific Hurricane Center Honolulu HI 800 AM HST Thu Sep 17 2020 For the central North Pacific...between 140W and 180W: Shower and thunderstorm activity associated with an elongated area of low pressure around 500 miles south-southwest of Hilo, Hawaii, have not changed significantly over the last several hours. Environmental conditions will be marginally conducive for development today as the system moves west-northwestward at 10 to 15 mph. Conditions will become hostile and chances for development will decrease tonight through the weekend. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...40 percent. Elsewhere, no tropical cyclones are expected during the next 5 days. $$ Forecaster Kodama