325 ABPZ20 KNHC 201141 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Tue Aug 20 2024 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Storm Gilma, located several hundred miles southwest of the southern tip of the Baja California peninsula. Well East-southeast of the Hawaiian Islands (EP90/EP91): A large area of disorganized showers and thunderstorms is associated with two disturbances over the western portion of the East Pacific basin. These systems are expected to merge later today or tonight, and gradual development is expected after they merge. A tropical depression is likely to form within the next couple of days while the disturbance moves west-northwestward into the Central Pacific basin Wednesday night or early Thursday. Information on this system's development can also be found in the Tropical Weather Outlook for the Central Pacific basin. * Formation chance through 48 hours...high...80 percent. * Formation chance through 7 days...high...80 percent. Eastern and Central Portion of the East Pacific: An area of low pressure is expected to form well to the south of the southwestern coast of Mexico in a couple of days. Environmental conditions should support slow development thereafter, and a tropical depression could form late this week or over the weekend while the system moves west-northwestward over open waters, well offshore of Mexico. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...medium...40 percent. && The Tropical Weather Outlook for the Central Pacific basin can be found under AWIPS header HFOTWOCP and WMO header ACPN50 PHFO and on the web at hurricanes.gov $$ Forecaster Cangialosi