


Tropical Weather Outlook and Summary
Issued by NWS
Issued by NWS
799 ABPZ20 KNHC 291138 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Tue Jul 29 2025 For the eastern and central North Pacific east of 180 longitude: Active Systems: The National Hurricane Center is issuing advisories on Hurricane Iona, located in the central Pacific basin well south-southeast of the Hawaiian Islands, and on Tropical Storm Keli also located in the central Pacific basin well southeast of the Hawaiian Islands. Western East Pacific (EP98): A well-defined area of low pressure located around 1500 miles east-southeast of the Hawaiian Islands continues to produce a limited amount of showers and thunderstorms. Environmental conditions appear marginally conducive for some development of this system, and a tropical depression or tropical storm could form during the next day or two as it moves generally westward around 10 mph. This system is expected to move into the Central Pacific basin tonight. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 7 days...medium...60 percent. South of Southwestern Mexico (EP99): A large area of disorganized showers and thunderstorms located about 500 miles south of the southwestern coast of Mexico is associated with a trough of low pressure. Environmental conditions appear conducive for development, and a tropical depression is likely to form during the next couple of days while the system moves west-northwestward around 15 mph, remaining well offshore of the southwestern coast of Mexico. * Formation chance through 48 hours...high...80 percent. * Formation chance through 7 days...high...90 percent. Central East Pacific: An area of low pressure is forecast to develop well south of southern or southwestern Mexico late this week or over the weekend Environmental conditions appear conducive for some gradual development of this system as it moves west-northwestward at 10 to 15 mph. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...low...30 percent. && Public Advisories on Tropical Storm Keli are issued under WMO header WTPA32 PHFO and under AWIPS header MIATCPCP2. Forecast/Advisories on Tropical Storm Keli are issued under WMO header WTPA22 PHFO and under AWIPS header MIATCMCP2. $$ Forecaster Cangialosi