000 AXPZ20 KNHC 250841 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Fri Sep 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 0600 UTC surface analysis and satellite imagery through 0840 UTC. ...SPECIAL FEATURES... Tropical Storm Lowell is centered near 21.6N 128.0W at 25/0900 UTC moving W at 10 kt. Estimated minimum central pressure is 1005 mb. Maximum sustained wind speed is 35 kt with gusts to 45 kt. Scattered moderate convection is noted within 90 nm E semicircle. Lowell is forecast to continue on a westward track while weakening. The system is forecast to become a tropical depression today and a remnant low early Sat. Please read the latest NHC Public Advisory at https://www.nhc.noaa.gov/text/MIATCPEP2.shtml and Forecast/ Advisory at https://www.nhc.noaa.gov/text/MIATCMEP2.shtml for more details. ...TROPICAL WAVES... The axis of a tropical wave is near 90W N of 04N, moving westward at 10 kt. Convection is described below. The axis of a tropical wave is near 101W N of 02N, moving westward at 10 kt. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 11N86W to 14N100W to 12N133W. The ITCZ extends from 12N133W to 11N140W. Scattered moderate and isolated strong convection is noted N of 03N E of 83W, and N of 05N between 83W and 90W. Scattered moderate convection is noted from 07N to 15N between 90W and 110W, from 08N to 12N between 110W and 122W, and from 09N to 11N between 136W and 140W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Weak ridging is between northern Baja California and Tropical Storm Lowell, which is located well W of the area. This is maintaining moderate NW to N winds across the region with seas to 6 ft. Northwesterly swell west of Baja California Norte will spread southward through Sat night. This swell will decay Sun through early next week. Light to gentle winds are expected farther south the next several days, except pulsing northerly winds in the Gulf of Tehuantepec at night. Otherwise, seas of 4-7 ft are expected through the early part of the weekend, building slightly to 5-8 ft in long period NW swell thereafter. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Moderate southerly flow prevails S of the monsoon trough, with gentle winds north of the monsoon trough. Combined seas are currently 5 to 7 ft in a mix of wind waves and southerly swell. Long period southerly swell will impact the waters W of Ecuador by the end of this weekend into early next week with seas building to 6 to 8 ft. REMAINDER OF THE AREA... Refer to the Special Features section for details on Tropical Storm Lowell. NW swell is propagating SE across the NW waters with seas of 8-12 ft. Seas in that area will remain 8-12 ft this weekend as this swell and swell generated by Tropical Storm Lowell prevail. Conditions will improve early next week as the remnants of Lowell shift W of 140W and as the remaining northerly swell decays. $$ AL