000 AXPZ20 KNHC 090342 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Tue Nov 9 2021 Tropical Weather Discussion for the eastern Pacific Ocean from 03.4S to 30N, east of 120W including the Gulf of California, and from the Equator to 30N, between 120W and 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 Depression Sandra is centered near 15.3N 119.0W at 0300 UTC moving W at 13 kt. Estimated minimum central pressure is 1008 mb. Maximum sustained wind speed is 30 kt with gusts to 40 kt. Peak seas are to 11 ft. Scattered moderate to strong convection is noted from 14N TO 18.5N between 112W AND 117.5W. Sandra will continue moving westward and maintain a tight pressure gradient south of the NE Pacific ridge, and is forecast to become a remnant low Tuesday evening. 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. Tropical Depression Terry is centered near 10.7N 109.3W at 0300 UTC moving W at 12 kt. Estimated minimum central pressure is 1007 mb. Maximum sustained wind speed is 30 kt with gusts to 40 kt. Peak wave heights were recently measured by satellite altimeter at 11 ft. Scattered moderate to strong convection is from 09.5N TO 14N between 106W AND 112W. Terry is expected to continue on a WNW to W track, weakening to a remnant low the middle of the week. 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. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 10N74W to 09N87W to 06.5N96W, then resume from near 12N122W to 09.5N130W. The ITCZ continues from 09.5N130W to beyond 09N140W. Scattered moderate isolated strong convection is noted from 05.5N to 08N between 79W and 93W, and from 08.5N to 11N W of 130W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO Winds remain below gale force this evening over the Gulf of Tehuantepec, with peak winds around 30 kt. Elsewhere, a weak surface ridge extends SE to the W of Baja California Sur. The pressure gradient across the region is supporting light to gentle northerly winds across the waters west of the Baja California peninsula, inside the Gulf of California and across the SW Mexico offshore waters. Seas are in the 6-9 ft range in mixed swell, except for 1-3 ft in the Gulf of California. Strong winds will prevail across the Gulf of Tehuantepec through early Wed. Gentle to locally moderate northerly winds are expected to prevail across the Baja offshore waters through Tue then become moderate to fresh Tue night through early Thu, except for strong winds N of Punta Eugenia on Wed. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR Light to gentle winds are N of the monsoon trough and gentle to moderate SW to W winds prevail S of the monsoon trough. Seas of 5-6 ft prevail in SW swell across the discussion waters. Offshore gap winds will pulse from fresh to strong over the Gulf of Papagayo each night for the next several days. Gentle to moderate SW winds will persist S of the monsoon trough. REMAINDER OF THE AREA... Please see special features section above for more on T.D. Terry and T.D. Sandra. The pressure gradient between 1027 mb high pressure near 27N127W and lower pressure within the monsoon trough and in the vicinity of the ITCZ is supporting moderate to fresh NE to E winds N of the ITCZ and monsoon trough to near 20N and W of 120W, with gentle to moderate winds N of 20N. Gentle to moderate winds prevail south of the monsoon trough and ITCZ. Seas are in the 7-9 ft range in mixed NW and S swell over the waters north of 10N and west 115W. Seas in the 6-8 ft range prevail elsewhere. A cold front will brush the far NW waters tonight, with fresh SW to W winds and seas to near 9 ft across the far NW waters W of 128W. High pressure will then settle across the northern waters through mid week. $$ Stripling