796 AXPZ20 KNHC 070247 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Sun Aug 7 2022 Tropical Weather Discussion for the eastern Pacific Ocean from 03.4S to 30N, east of 120W including the Gulf of California, and from the Equator to 30N, between 120W and 140W. The following information is based on satellite imagery, weather observations, radar, and meteorological analysis. Based on 0000 UTC surface analysis and satellite imagery through 0100 UTC. ...SPECIAL FEATURES... Tropical Depression Nine-E is centered near 15.7N 107.9W at 07/0300 UTC moving NW at 12 kt. Estimated minimum central pressure is 1006 mb. Maximum sustained wind speed is 30 kt with gusts to 40 kt. Maximum seas near the center are near 11 ft. Numerous moderate to strong convection is noted from 14N to 17N between 105W and 108W, with scattered moderate convection elsewehre from 12N to 20N between 100W and 110W. Gradual strengthening is forecast during the next couple of days, and the depression is expected to become a tropical storm later tonight. Please read the latest NHC Public Advisory at https://www.nhc.noaa.gov/text/MIATCPEP4.shtml and Forecast/ Advisory at https://www.nhc.noaa.gov/text/MIATCMEP4.shtml for more details. ...TROPICAL WAVES... A tropical wave has entered the far eastern tropical Pacific with its axis along 78W near the border of Panama and Colombia north of 04N, moving west at around 20 kt. Associated convection is described below. A tropical wave has its axis along 122W from 04N to 17N, moving west at around 10 kt. Associated convection is described below. A tropical wave has its axis along 136W from 04N to 17N, moving slowly west at around 5 kt. Associated convection is described below. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from the coast of Costa Rica near 09N84W to 08N94W to 12N102W, then extends from southwest of Tropical Depression Nine-E from 11N113W to 12N125W to 07N140W. Scattered moderate and isolated strong convection is noted from 04N to 10N between 77W and 90W, from 08N to 10N between 92W and 94W, from 09N to 13N between 107W and 112W, and from 05N to 15N between 118W and 140W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Refer to the Special Features section above for details Tropical Depression Nine-E. Scattered moderate to isolated strong convection over mainland NW Mexico will likely propagate westward over the Gulf of California this evening and overnight, similar to last night. Moderate to locally fresh NW-N winds prevail across the Baja California offshore waters north of Cabo San Lazaro, where seas are 5 to 7 ft. Moderate to fresh winds are pulsing in the Gulf of Tehuantepec. Mainly light to gentle winds are noted elsewhere away from Tropical Depression Nine-E, including in the Gulf of California. Seas are 3 to 5 ft across the area, except 3 ft or less north of the entrance to the Gulf of California, and 4 to 6 ft offshore Oaxaca and Chiapas. For the forecast, aside from the impacts from Tropical Depression Nine-E, fresh winds will pulse over the Tehuantepec area from through Tue, occasionally strong during the late night and early morning hours. Moderate to locally fresh winds will pulse from near Punta Eugenia northward, as well as in the central and northern Gulf of California, tonight into early Sun before diminishing. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh winds are in the Papagayo region. Elsewhere, gentle winds prevail north of the monsoon trough with moderate S to SW winds to the south of the monsoon trough. Seas are mainly 4 to 6 ft, locally to 7 ft well offshore of western Panama, as well as south of the Galapagos Islands. Scattered showers and isolated thunderstorms are offshore Colombia northward to offshore Costa Rica. For the forecast, gentle to moderate winds will prevail, pulsing to fresh in the Papagayo region into early next week. REMAINDER OF THE AREA... Refer to the Special Features section above for details on Tropical Depression Nine-E. A broad ridge of high pressure dominates the waters north of the monsoon trough. Trades are moderate to fresh north of the monsoon trough to 24N and west of 125W between the ridging and two passing tropical waves, with gentle to moderate trades elsewhere. Moderate to locally fresh southerly winds are south of the monsoon trough and west of 105W, with gentle to moderate winds elsewhere. Seas are 3 to 5 ft north of 24N and west of 125W, and 4 to 7 ft elsewhere outside of Nine-E. For the forecast, light to gentle winds will prevail north of 24N and west of 125W through Sun. Moderate to locally fresh winds will prevail elsewhere north of the monsoon trough and west of 120W, with gentle to moderate winds across the remainder of the open waters. Seas of 3 to 5 ft will prevail north of 24N and west of 125W. Seas of 4 to 7 ft will dominate the remainder of the open waters, building to 7 to 9 ft over the west-central waters by the end of the weekend into next week with a fresh and elongated fetch of trades. Seas may also build to around 8 ft near 03.4S early next week in a southerly swell. $$ Lewitsky