Tropical Weather Outlook

Full Alert Message

Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Thu Aug 13 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 750 miles east-southeast of Hilo, Hawaii. * Formation chance through 48 hours...high...90 percent. * Formation chance through 7 days...high...90 percent. The National Hurricane Center is also issuing advisories on recently upgraded Tropical Storm Hernan, located well west of the southern tip of the Baja California Peninsula. && 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. Public Advisories on Tropical Storm Hernan are issued under WMO header WTPZ33 KNHC and under AWIPS header MIATCPEP3. Forecast/Advisories on Tropical Storm Hernan are issued under WMO header WTPZ23 KNHC and under AWIPS header MIATCMEP3.