000 AXPZ20 KNHC 052208 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Mon Oct 5 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 1800 UTC surface analysis and satellite imagery through 2145 UTC. ...SPECIAL FEATURES... Tropical Storm Marie is centered near 21.4N 132.7W at 05/2100 UTC moving WNW at 8 kt. Estimated minimum central pressure is 1001 mb. Maximum sustained wind speed is 40 kt with gusts to 50 kt. Scattered moderate convection is within 210 nm N semicircle. Continued weakening is expected, and Marie is forecast to degenerate into a remnant low by tonight. Please read the latest NHC Public Advisory at https://www.nhc.noaa.gov/text/MIATCPEP3.shtml and Forecast/ Advisory at https://www.nhc.noaa.gov/text/MIATCMEP3.shtml for more details. Tropical Depression Nineteen-E is centered near 12.8N 105.4W at 05/2100 UTC moving NNW at 6 kt. Estimated minimum central pressure is 1007 mb. Maximum sustained wind speed is 30 kt with gusts to 40 kt. Scattered moderate convection is from 10N-16N between 102W-110W. The depression is expected to meander through midweek. Slow strengthening is possible over the next few days, and the depression is forecast to become a tropical storm by Tuesday. Please read the latest NHC Public Advisory at https://www.nhc.noaa.gov/text/MIATCPEP4.shtml and Forecast/ Advisory at https://www.nhc.noaa.gov/text/MIATCMEP4.shtml for more details. Gulf of Tehuantepec Gale Warning: Gale force winds are expected to blow across the Gulf of Tehuantepec and downwind to near 13N- 14N through early Tue morning. Seas will peak near 15-16 ft today, and near 13-14 ft tonight. This gap wind event will continue on Tue and Tue night with northerly winds below gale force. Please read the latest NWS High Seas Forecast issued by the National Hurricane Center at website https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more details. ...TROPICAL WAVES... A tropical wave extends along 98W N of 03N, moving W at 5 to 10 kt. Scattered moderate isolated strong convection is noted from 09N to 11N between 92W and 98W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough axis extends from 10N85W to 10N100W to 14N125W. Scattered moderate convection is from 06N to 10N E of 88W, and from 07N to 14N between 110W and 130W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please see Special Features section for more details on newly developed TD 19-E and the Gulf of Tehuantepec gap wind event. As Marie continues to move westward, a ridge will finally establish over the offshore waters of Baja California bringing gentle to moderate NW-N winds with seas of 5-7 ft. As it is normal for this time of the year, mainly light to gentle southerly winds are expected in the Gulf of California during the next several days. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Moderate to locally fresh southwesterly winds are expected S of the monsoon trough with mainly light to gentle winds N of it. Seas generated by the gale-force gap winds in the Tehuantepec region will continue to propagate across the offshore waters of Guatemala and El Salvador into Tue night. REMAINDER OF THE AREA... Please see Special Features section above for more information on Tropical Storm Marie that is rapidly weakening over cooler waters and TD 19-E. Outside of Marie, gentle to moderate winds are occurring N of the monsoon while moderate to locally fresh winds prevail S of the monsoon trough. Seas greater than 8 ft, generated by Marie cover most of the waters N of 10N and W of a line from 30N120W to 20N124W to 10N130W. Long period SE swell from the Southern Hemisphere is forecast to reach the equator later today. Tropical Storm Gamma located north of the Yucatan Peninsula is expected to produce heavy rainfall through midweek over portions of southeast Mexico, including the Mexican states of Yucatan, Campeche, and Tabasco. This rainfall could result in significant flash flooding. $$ Ramos