000 AXPZ20 KNHC 250840 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Thu Jul 25 2019 Tropical Weather Discussion for the eastern Pacific Ocean from the Equator to 32N, east of 140W. The following information is based on satellite imagery, weather observations, radar, and meteorological analysis. Based on 0600 UTC surface analysis and satellite imagery through 0830 UTC. ...SPECIAL FEATURE... Tropical Depression Dalila centered near 21.6N 120.4W at 25/0900 UTC moving NW at 5 kt. Estimated minimum central pressure is 1009 mb. Maximum sustained winds are 25 kt with gusts to 35 kt. Dalila will continue to weaken and is expected to become a post- tropical remnant low later today. See the latest NHC forecast/ advisory under AWIPS/WMO headers MIATCMEP5/WTPZ25 KNHC for more details. ...TROPICAL WAVES... A tropical wave is along 88W N of 03N, moving W at 15 kt. This wave is helping induce convective activity over Central America. Scattered moderate convection is near the wave axis over the eastern Pacific waters. A tropical wave is along 105W from 04N to 16N, moving W at 15 kt. Scattered moderate convection is near the wave axis. A tropical wave is along 114W, moving W at 15 kt. This tropical wave is producing cloudiness and showers over a broad area. Environmental conditions are expected to become more conducive for the development of this system during the next few days, and a tropical depression could form while the system moves west. The latest Tropical Weather Outlook gives this system a 20 percent chance of tropical cyclone formation through 48 hours. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 08N78W to 07N83W to 09N89W to 12N104W to 11N109W to 13N114W to 11N130W. Aside from convection associated with tropical waves, scattered moderate isolated strong convection is noted N of 04N east of 89W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A weak ridge will dominate the offshore forecast waters west of Baja California through the upcoming weekend. A surface trough near the Baja peninsula will support light to gentle southerly winds in the Gulf of California during the next several days. Northerly winds will increase to fresh to strong in the Gulf of Tehuantepec Fri night, with the gap wind event likely to persist through early next week. Winds will be strongest at night, aided by nocturnal drainage flow. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Moderate to locally fresh S to SW winds south of the monsoon trough combined with long period southerly swell will maintain seas to 7 ft off the coasts of Panama and Colombia, and between Ecuador and the Galapagos Islands through Fri night. Seas of 8 to 9 ft are expected S of the equator through Fri night. Fresh to strong gap winds will affect the Gulf of Papagayo tonight through Sat morning, and again Sun night into Mon. REMAINDER OF THE AREA... A ridge dominates most of the forecast waters N of 18N and W of 120W. Moderate NE to E winds and 5 to 7 ft seas are noted south of the ridge. The ridge will strengthen across northern forecast waters, as T.D. Dalila dissipates, during the upcoming weekend. Cross equatorial southerly swell will affect the forecast waters S of the Equator and E of 120W today, building seas to 8 to 9 ft. $$ Mundell