Eastern Pacific Tropical Weather Outlook
946 ABPZ20 KNHC 121742 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Wed Aug 12 2026 For the eastern and central North Pacific east of 180 longitude: Active Systems: The National Hurricane Center is issuing advisories on Potential Tropical Cyclone One-C, located about 900 miles east-southeast of Hilo, Hawaii. * Formation chance through 48 hours...high...90 percent. * Formation chance through 7 days...high...90 percent. Western East Pacific (EP99): A low pressure system located about midway between Hawaii and the west coast of Mexico is producing disorganized shower and thunderstorm activity. These showers and thunderstorms have not become better organized since last night. However, a significant increase in organization could still result in the formation of a tropical depression later today or tonight before the system moves into less conducive environmental conditions thereafter. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 7 days...medium...60 percent. && Public Advisories on Potential Tropical Cyclone One-C are issued under WMO header WTPA32 PHFO and under AWIPS header HFOTCPCP2. Forecast/Advisories on Potential Tropical Cyclone One-C are issued under WMO header WTPA22 PHFO and under AWIPS header HFOTCMCP2.