000 AXPZ20 KNHC 110916 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1005 UTC Thu Mar 11 2021 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 0600 UTC surface analysis and satellite imagery through 0900 UTC. ...SPECIAL FEATURES... Heavy Rainfall potential in Western Colombia: Heavy rainfall is possible along and near the coast of Colombia at times, with enhanced precipitation possible through Fri. Mariners near the coast of Colombia are advised to be aware of the possibility of reduced visibility from heavy rain and strong thunderstorms. Please refer to forecasts and bulletins issued by your National Meteorological Service for more details. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 07N77W to 04N81W to 02N97W. The ITCZ continues from 02N97W to 02N113W to 04N132W to 03N140W. Scattered moderate isolated strong convection is noted from 04N to 07N between 128W and 136W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Scatterometer data shows moderate to fresh NW winds west of the Baja California peninsula, amd mainly light to gentle winds elsewhere. Seas are 8 to 9 ft west of Baja California, 2 to 4 ft in the Gulf of California, and 4-5 ft elsewhere. Fresh to strong NW winds will spread southward to Cabo Corrientes, including the southern Gulf of California, through the weekend. NW swell west of Baja California will decay through Fri, with seas subsiding slightly to 7-8 ft, except in the area of fresh to strong winds. A cold front will reach Baja California Norte later today, with the winds in the northern Gulf of California shifting to SW-W and increasing. Highest winds will be near gaps in the coastal terrain, where fresh to strong winds are possible. Winds in the southern half of the Gulf of California will become fresh to strong Fri through Sun. Strong to near gale-force winds are expected near Cabo Corrientes Sat night. Gentle to moderate winds will prevail elsewhere over the offshore waters west of southern Mexico. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR... See the Special Features section above regarding the potential for heavy rainfall along and near the coast of Western Colombia. Scatterometer data shows moderate to fresh NE to E winds in the Papagayo region, and light to gentle winds elsewhere. Sea heights are generally 3 to 5 ft, except 7 to 8 ft downwind from the Gulf of Papagayo. Fresh to strong NE winds will continue to pulse across the Papagayo region through the weekend, with highest winds expected at night. Seas associated with these winds will be 7 to 9 ft. Fresh north winds in the Gulf of Panama will pulse at night through the weekend. Light to gentle winds, with seas in the 3 to 6 ft range, will prevail elsewhere through Mon. REMAINDER OF THE AREA... A cold front stretches from 32N118W to 26N127W to 29N138W. The cold front will weaken and extend from 32N114W to 23N130W to 25N135W this afternoon, then dissipate by tonight. High pressure in the wake of the cold front will shift eastward through Fri night, and support fresh to strong trade winds over a large portion of the forecast area, roughly from 09N to 24N west of 124W, through early Sat. Seas in this area will remain in the 8-12 ft range. NW swell over the northwest part of the area will gradually shift east-southeast and subside through Fri. The swell will mix with wind waves in the area of fresh to strong trade winds. A cold front will reach NW waters on Sat, and extend from 32N125W to 26N140W Sun. Large NW swell associated with the front will move through the northern waters Sat night through Mon. $$ Mundell