197 AXPZ20 KNHC 162136 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Mon Aug 16 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 1800 UTC surface analysis and satellite imagery through 2100 UTC. ...SPECIAL FEATURES... Hurricane Linda is centered near 17.7N 124.6W at 16/2100 UTC moving W at 8 kt. Estimated minimum central pressure is 974 mb. Maximum sustained wind speed is 85 kt with gusts to 105 kt. Scattered to numerous moderate convection within 75 nm of the center. Only very gradual weakening is forecast over the next several days, and Linda is expected to remain a hurricane through Wednesday as it continues westward. 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... A tropical wave extends its axis along 84W and north of 07N through Costa Rica, moving W at 10-15 kt. Scattered moderate convection is north of 04N and east of 90W. A tropical wave extends its axis along 97W and north 01N into southern Mexico, moving W at 10-15 kt. Scattered moderate convection is noted from 07N to 15N between 94W to 104W. A tropical wave extends its axis along 112W north of 01N, moving W at 10-15 kt. Scattered moderate convection is noted from 07N to 15N between 109W and 115W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 09N79W to 13N97W to 14N117W to 10N138W. The ITCZ continues from 10N138W to beyond 11N140W. Aside from the convection related to the tropical waves described above, no significant convection is noted along these boundaries. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please read the Special Features section for details on Hurricane Linda. A weak surface ridge extends from 1025 mb high pressure well northwest of the area near 37N139W southeastward into central Baja California. Moderate to fresh NW winds are noted off Baja California Norte between the ridge and lower pressure over the southwest U.S. Recent scatterometer satellite data and observations showed mostly light to gentle NW winds off Baja California, with 5 to 7 ft seas in SW swell. Light breezes and slight seas persist throughout the Gulf of California. Farther south, light to gentle SW winds are noted south of Cabo Corrientes, with 3 to 5 ft in SW swell. Clusters of thunderstorms are ongoing near the Gulf of Tehuantepec through the coast of Guerrero. For the forecast, a surface trough will move into the waters off Baja California Norte tonight, and persist into mid week. This will allow a small area of westerly fresh to possibly strong gap winds over the far northern portion of the Gulf of California Tue night through Wed night. Expect increased SW swell in the waters off southern Mexico by mid week, gradually subsiding through Fri. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Latest scatterometer satellite data depicts gentle to moderate SW flow across the region. Convergence related to this wind flow is supporting scattered showers and thunderstorms off Colombia. Seas are around 5 to 7 ft in SW swell off Costa Rica and western Panama and 4 to 6 ft elsewhere. For the forecast, the gentle to moderate winds and moderate SW swell will persist into Tue. Expect increased SW swell across the region by mid week, gradually subsiding through Fri. REMAINDER OF THE AREA... Please read the Special Features section for details on Hurricane Linda. Hurricane Linda will impact the region from roughly 15N to 25N west of 120W through Thu as it continues to move westward. Gentle winds and moderate seas are evident north of this zone. Moderate SE winds and moderate SW swell are noted farther south. East of 110W, fresh SW monsoon flow is evident, with seas reaching 7 ft. For the forecast, moderate to locally fresh NW winds will follow a trough moving into the waters off Baja California by mid week. Long period NW swell will also follow this trough, reaching as far south as 27N after Wed. South of the monsoon trough and east of 110W, fresh to strong SW flow with reinforcing SW swell will allow seas to build to 9 ft through mid week. $$ ERA