000 AXPZ20 KNHC 111558 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1605 UTC Wed Aug 11 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 1200 UTC surface analysis and satellite imagery through 1550 UTC. ...SPECIAL FEATURES... Tropical Storm Linda is centered near 13.8N 105.9W at 11/1500 UTC moving W at 10 kt. Estimated minimum central pressure is 999 mb. Maximum sustained wind speed is 55 kt with gusts to 65 kt. Numerous moderate isolated strong from 08N to 16N between 102W and 111W. Additional strengthening is forecast during the next couple of days, and Linda is likely to become a hurricane by tonight. 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 Storm Kevin is centered near 21.0N 116.8W at 11/1500 UTC moving NW at 9 kt. Estimated minimum central pressure is 1002 mb. Maximum sustained wind speed is 40 kt with gusts to 50 kt. Numerous moderate convection is from 17N to 21N between 116W and 121W. Kevin is likely to weaken to a tropical depression by early Thursday and then a remnant low by early Friday. Please read the latest NHC Public Advisory at https://www.nhc.noaa.gov/text/MIATCPEP1.shtml and Forecast/ Advisory at https://www.nhc.noaa.gov/text/MIATCMEP1.shtml for more details. ...TROPICAL WAVES... A tropical wave is along 87W north of 03N, moving W at 10 to 15 kt. Scattered moderate and isolated strong convection is noted N of 03N between 82W and 93W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough axis extends from 09N84W to 09N96W, then resumes from 12N119W to 08N140W. Other than the convection associated with Kevin, Linda and the tropical wave, scattered moderate convection is noted N of 04N E of 80W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Conditions across the Mexico offshore waters are being dominated by tropical storms Kevin and Linda. Please refer to the Special Features section above for details these storms. Otherwise, a broad ridge of high pressure is north of the tropical storms along 30N to across Baja California Norte. Gentle to moderate winds are noted offshore of Baja California Norte, along with seas of 4 to 7 ft. Fresh SE-S winds prevail in the central and northern Gulf of California, where seas are 3 to 4 ft. Seas are 5 to 8 ft in the southern Gulf of California due to outer swells associated with Kevin. For the forecast, outside of the influences of Kevin and Linda, mainly gentle to moderate winds will occasionally pulse to fresh northerly in the Tehuantepec region, with seas 4 to 7 ft. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... Moderate to fresh winds are noted in the Papagayo region. Light to gentle winds are noted elsewhere north of the monsoon trough. Moderate S-SW winds prevail south of the monsoon trough. Seas are mainly 3 to 6 ft, except 5 to 7 ft in a moderate southerly swell offshore of Ecuador and Colombia. For the forecast, fresh winds will continue in the Papagayo region through tonight. Moderate SW winds will continue S of the monsoon trough for the next several days. Enhanced thunderstorm activity is expected near the monsoon trough, off western Panama and Costa Rica through tonight as a tropical wave moves across the region. REMAINDER OF THE AREA... Please refer to the Special Features section above for details on Tropical Storm Linda and Tropical Storm Kevin. Outside of the area of winds over 25 kt and seas over 8 ft associated with the two tropical storms, a broad and weak ridge of high pressure prevails across the waters north of the monsoon trough with gentle to moderate trades under the ridge. Moderate to locally fresh S-SW winds are noted south of the monsoon trough. Seas are 4 to 7 ft in mixed long period southerly and northerly swell. For the forecast, outside of the influences of Kevin and Linda, fairly tranquil marine conditions will persist through the next several days. Large southerly swell from the Southern Hemisphere will reach the waters south of 10N by Sunday night. $$ Ramos