000 AXPZ20 KNHC 122055 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Thu Aug 12 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 1900 UTC. ...SPECIAL FEATURES... Hurricane Linda is centered near 15.3N 108.7W at 12/2100 UTC moving WNW at 8 kt. Estimated minimum central pressure is 990 mb. Maximum sustained wind speed is 65 kt with gusts to 80 kt. Peak seas are currently 23 ft. Numerous moderate and isolated strong convection is noted within 135 nm of the center. Linda is forecast to remain a hurricane through the weekend, weakening to a tropical storm early next week. 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 is near the Pacific coast of Colombia along 78W, moving W at around 15 kt. Scattered moderate and isolated strong convection is noted from 01N to 07N between 77W and 85W. A tropical wave is along 93W, moving W at 5 to 10 kt. Scattered moderate and isolated strong convection is noted from 07N to 15N between 90W and 94W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough axis extends from the NW coast of Colombia near 11N74W to 09N85W to 13N103W, then resumes west of Linda from 14N113W to 08N140W. Scattered moderate and isolated strong convection is noted from 04N to 08N between 85W and 90W, from 10N to 16N between 94W and 101W, from 08N to 15N between 110W and 118W, and from 09N to 13N between 118W and 127W. Similar convection is noted from 22N to 27N between 107W and 111W in the southern Gulf of California. Scattered moderate convection is noted from 09N to 11N between 129W and 133W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please read the Special Features section for details on Hurricane Linda. The 1008 mb remnant low of Kevin is centered near 23.5N121W. A recent ASCAT scatterometer pass indicated winds of 20 to 30 kt. Peak seas are currently 11 ft, with outer seas of 8 ft or greater still impacting the offshore waters of Baja California. A plume of moderate to fresh N-NE winds is in the Gulf of Tehuantepec. Gentle to moderate winds prevail elsewhere outside of the influence of Linda and Kevin, along with seas of 4 to 7 ft, except 3 ft or less in the central and northern Gulf of California. For the forecast, the remnant low of Kevin will continue to move WNW away from the offshore waters of Baja California, dissipating this weekend. Linda will remain a hurricane through the upcoming weekend, likely bringing significant impacts to the Revillagigedo Islands. Linda is forecast to move west of the offshore waters by Sat night with conditions in its wake improving through the remainder of the weekend. The remnant low of Kevin will continue to move to the WNW away from the waters west of Baja California, dissipating Sun morning. Moderate to fresh N-NE winds will continue to pulse in the Gulf of Tehuantepec, increasing to fresh to strong this weekend. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Moderate to fresh E winds are noted in the Papagayo region, with light to gentle winds elsewhere north of the monsoon trough. Moderate to locally fresh S-SW winds are south of the monsoon trough. Seas are in the 4 to 7 ft range in long period mixed swell. For the forecast, moderate to fresh E winds will pulse in the Papagayo region through the end of the week. Otherwise, gentle winds will prevail north of the monsoon trough through early next week. South of the monsoon trough, mainly moderate, occasionally fresh, S to SW winds will prevail through early next week. A set of southerly swell may impact the waters offshore of Ecuador early next week. REMAINDER OF THE AREA... Please read the Special Features section for details on Hurricane Linda. The 1008 mb remnant low of Kevin is centered near 23.5N121W. A recent ASCAT scatterometer pass indicated winds of 20 to 30 kt. Peak seas are currently 11 ft, with outer seas of 8 ft or greater still impacting the offshore waters of Baja California. Weak surface ridging prevails across the remainder of the open waters. Gentle to moderate trades are noted north of the monsoon trough outside of the influence of Linda and remnants of Kevin, with moderate to fresh southerly flow south of the monsoon trough. Seas of 4 to 7 ft in mixed long period swell are noted outside of Linda and Kevin. For the forecast, the remnant low of Kevin will continue to move WNW away from the offshore waters of Baja California, dissipating this weekend. Linda is forecast to remain a hurricane through the weekend. Elsewhere, southerly swell from the southern hemisphere will cross the Equator Sun night through Tue, resulting in seas of 7 to 10 ft south of 10N between 100W and 125W. $$ Lewitsky