000 AXPZ20 KNHC 110858 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0840 UTC Wed Sep 11 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 FEATURES... An elongated area of low pressure is centered along the monsoon trough near 13N107W. Conditions are forecast to be conducive for further development of this disturbance, and a tropical depression is likely to form within the next couple days, while the system moves WNW at around 10 kt. This system has a high chance of tropical cyclone formation during the next 48 hours, and also a high probability for development within the next 5 days. Please refer to the latest eastern North Pacific Tropical Weather Outlook for more information. ...TROPICAL WAVES... The axis of a tropical wave is near 84W, moving W around 10 kt. Scattered moderate isolated strong convection is noted over waters from 05N to 10N between 80W and 87W. The axis of a tropical wave is near 97W, moving W around 10 kt. Scattered moderate isolated strong convection is noted from 12N to 16N between 95W and 99W. The axis of a tropical wave is near 107W with associated 1010 mb low pres near 13N107W, moving W 10-15 kt. Scattered moderate to strong convection is noted from 10N to 17N between 100W and 110W. This disturbance is being monitored for the potential of tropical cyclogenesis. Please see special features section above for more information. The axis of a tropical wave is near 125W, moving W near 15 kt. Scattered moderate isolated strong convection is noted from 08N to 13N between 120W and 129W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 08N78W to 08N82W to 11N89W to 13N104W to 10N126W to 10N140W. Scattered moderate isolated strong convection was noted from 09N to 14N between 110W and 120W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A ridge over the offshore forecast waters W of Baja California peninsula will slowly weaken through Thu night. A surface trough will meander between Baja California and the Gulf of California. Fresh to strong northerly winds are expected to pulse at night across the Tehuantepec region tonight through Sat night as high pressure builds over the Gulf of Mexico. Winds over the Gulf of Tehuantepec could increase to near gale force Fri night and Sat night. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Moderate to fresh NE to E winds will generally prevail over the Gulf of Papagayo region through the forecast period. Elsewhere, mainly light to gentle winds will persist north of the monsoon trough, with gentle to moderate S to SW winds south of the monsoon trough for the next several days. REMAINDER OF THE AREA... A broad area of low pressure is centered several hundred miles southwest of Acapulco, Mexico near 13N107W. This disturbance has the potential to develop into a tropical cyclone. Please see the special features section above for more information. High pressure centered N of the area will maintain moderate NE winds N of the monsoon trough and W of 125W. Cross equatorial swell is propagating across the tropical Pacific waters. Seas of 8 ft or higher cover the area generally south of 06N between 92W and 120W. Wave heights will slowly start subsiding on Thu. $$ AL