872 AXPZ20 KNHC 240305 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Thu Sep 24 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... Tropical Storm Lowell is centered near 21.0N 122.7W at 0300 UTC, moving WNW at 10 kt. Estimated minimum central pressure is 1002 mb. Maximum sustained winds are 40 kt with gusts to 50 kt. Numerous moderate isolated strong convection is noted within 150 nm east-southeast of the center. Lowell will move west-northwest, then westward during the next 48 to 72 hours. A slow weakening trend is expected as the storm encounters a less favorable environment. Please read the latest High Seas Forecast at https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml and the latest Tropical Storm Lowell NHC Forecast/Advisory and Public Advisory at www.hurricanes.gov for more details. ...TROPICAL WAVES... None. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough axis extends off the coast of Costa Rica near 10N86W to 12N99W to 15N108W. The monsoon trough continues SW of Lowell near 15N124W to 11N133W. The ITCZ continues from 11N133W to 10N140W. Scattered moderate isolated strong convection is noted from 06N to 10N between 82W and 97W. Scattered moderate convection is from 06N to 12N between 107W and 117W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Weak riding is between northern Baja California and Tropical Storm Lowell. This is maintaining light to gentle northerly winds across the region with seas to 7 ft. On Friday, northerly swell will reach the Baja California peninsula, and continue through Saturday night, with seas of 8 to 11 ft. Farther south, light to gentle winds are expected the next several days, with seas to 5 ft. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Moderate south to southwest winds prevail south of 11N and the monsoon trough with gentle winds north of the monsoon trough. Combined seas are currently to 7 ft in a mix of wind waves and southerly swell. Winds south of the monsoon trough will increase tonight and Thursday with seas to 8 ft. By Friday, moderate south to southwesterly winds will return with seas 6-7 ft. REMAINDER OF THE AREA... A cold front will stall NW of the area from 34N136W to 30N145W late tonight. Associated NW swell from the front will move into the far NW waters, raising seas to 8-12 ft tonight through Fri. By the weekend, seas are expected to be 8-10 ft. $$ Mundell