000 AXPZ20 KNHC 111414 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1355 UTC Wed Mar 11 2020 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 1200 UTC surface analysis and satellite imagery through 1400 UTC. ...SPECIAL FEATURES... Gulf of Tehuantepec Gale Warning: The gradient between high pressure centered over the Gulf of Mexico and low pressure over the tropical eastern Pacific will continue to cause N gales over the Gulf of Tehuantepec through midday. By this afternoon, with the high pressure weakening and moving E, winds will diminish to strong. Seas of 12 to 14 ft will also decrease tonight into Thu. Tranquil conditions should be occurring over the Gulf by Thu night through at least Sun night. For more information please read the latest High Seas Forecast issued by the National Hurricane Center under AWIPS/WMO headers FZPN03 KNHC/HSFEP2 or at website https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml for further details. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A trough axis extends from 07N83W to 03N94W. The ITCZ then extends from 03N94W to 05N131W. It is interrupted by a through that extends from 10N131W to 03N134W. The ITCZ resumes at 05N136W to beyond 04N140W. No significant convection is occurring in association to the ITCZ. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please see the Special Features section above for details on a gale-force gap wind event in the Tehuantepec region. A cold front that is crossing Baja California Norte this morning will weaken starting tonight and dissipate by late Thu. S to SW winds will increase to fresh to strong over the northern Gulf of California ahead of another cold front Thu night and Fri. A period of fresh to locally strong NW winds are expected tonight over the far southern Gulf of California, extending S to Cabo Corrientes. Tranquil conditions should be occurring over all of the waters from Fri night through at least Sun night. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... The gradient between high pressure over Central America and lower pressure over the tropical eastern Pacific continues to result in fresh to locally strong NE winds over the Gulf of Papagayo. These winds will generally continue through the end of the week. Peak seas will reach near 9 ft in mixed NE wind waves and S swell today, slightly subsiding Thu night through Fri night. No large SW swell is anticipated for the Central American and equatorial Pacific zones during the next several days. REMAINDER OF THE AREA... A 1014 mb low is centered near 30N125W with a developing cold front extending S from it to 22N130W. Fresh to locally strong winds behind this front will diminish some later today. The low pressure will drift SE over the next couple of days, while weakening. A larger plume of upper-level moisture moving NE from the ITCZ toward Baja California is producing scattered showers and thunderstorms. Overall weak trade winds will prevail into the weekend, with seas in the area falling below 8 ft by early Fri to the W of 115W. Farther east, a large area of 8-9 ft wave heights persists from roughly 05N to 12N between 93W and 115W from a mix of S swell and shorter period NE to E swell originating from gap winds in the Gulfs of Tehuantepec and Papagayo. This will diminish below 8 ft by early Thu. $$ KONARIK