000 AXPZ20 KNHC 250310 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Sat Apr 25 2020 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 0000 UTC surface analysis and satellite imagery through 0300 UTC. ...SPECIAL FEATURES... Low pressure area of 1008 MB is centered near 12N116W. Earlier scatterometer data indicated fresh to strong winds over the SW quadrant of the low. Scattered moderate convection is noted within 120 nm of the low center. The low continues to show signs of organization and environmental conditions are favorable for some gradual development of the low. There is currently a high chance that a tropical depression will form in the next day or so as the system moves slowly northwest around 10 kt. By Sunday, conditions will become less conducive for development. Please refer to Special Tropical Weather Outlook TWOEP/ABPZ20 KNHC for more details. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 09N78W to 06N85W to 08N99W. The ITCZ extends from 08N118W to beyond 05N140W. Scattered moderate isolated strong convection is noted from 02N to 05N between 86W and 98W, from 07N to 10N between 105W and 110W, and within 90 nm north of the ITCZ west of 134W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Gentle to moderate NW winds prevail west of Baja California Sur, with light to gentle winds prevailing over the remainder of the forecast waters. Seas are 6-8 ft west of Baja California Norte in NW swell. Seas in the 4-6 ft range elsewhere, except 2 ft or less over the Gulf of California. Weak surface troughing will prevail over the Baja California region through Mon. High pressure will start to build into the region from the west by the middle of next week. Seas west of Baja California Norte will remain in the 6-8 ft range. A pulse of fresh to strong northerly winds are likely in the Gulf of Tehuantepec Sun night into Monday morning. Fairly tranquil marine conditions will prevail elsewhere through the middle of next week. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... A weak pressure pattern is resulting in mostly light to gentle winds across the forecast waters. Seas are mainly 4 to 5 ft in a mix of long period southerly and NW swell. Fairly tranquil marine conditions are expected across most of the forecast area through Wed, except for the Papagayo region, where fresh to occasionally strong gap winds are possible. REMAINDER OF THE AREA... Please see special features above for more on the potential for tropical cyclone development. High pressure prevails north of the area. Outside of the higher winds associated with the low pressure area mentioned in the special features section, most recent scatterometer data shows gentle to moderate winds N of 07N and W of 120W. Seas over this area are in the 5-8 ft range. Gentle to moderate winds will prevail over this area through the beginning of next week. High pressure will start to build the beginning of next week which will help to freshen trade winds by mid-week. Long-period NW swell is expected to maintain combined seas of 6 to 7 ft west of 120W this weekend. S swell will likely produce combined seas to 7-8 ft in equatorial waters west of 100W through Sat. $$ Mundell