1. Showers and thunderstorms associated with a large low pressuresystem located about 750 miles southwest of Acapulco, Mexico, arecontinuing to become better organized. Satellite-derived wind dataindicate that the surface circulation has also become betterdefined. If these recent development trends continue, then atropical depression or a tropical storm is likely to form latertonight or on Monday while the system moves west-northwestward tonorthwestward at about 10 mph.* Formation chance through 48 hours...high...90 percent* Formation chance through 5 days...high...90 percentForecaster Stewart
The rather harsh thermodynamic atmospheric environment anddecreasing sea surface temperatures continue to have a substantialeffect on Felicia's cloud pattern. The cyclone's circulationconsists mainly of a swirl of stable stratocumulus low clouds with adiminishing deep convective curved band displaced well to the east.The initial intensity is held at 30 kt for this advisory based on acompromise of the final-T and CI numbers from both TAFB and SAB.Felicia should continue to spin down and become a remnant low eithertonight or Saturday morning, with dissipation expected in 3 days orless.The initial motion is estimated to be northwestward, or 310/9 kt.There are no significant changes to the forecast philosophy in thisadvisory. As Felicia continues to weaken into a shallow system, aturn toward the west within the low-level easterly flow of thesubtropical ridge is expected tonight. The NHC forecast isessentially an update of the previous advisory but nudgedslightly toward the right to side with a blend of the GFEX and TVCNmulti-model consensus forecasts.Forecaster Roberts