000 AXPZ20 KNHC 130355 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Sun Mar 13 2022 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 0000 UTC surface analysis and satellite imagery through 0345 UTC. ...Special Features... Gulf of Tehuantepec storm warning: Strong high pressure is building behind a cold front moving across the eastern Gulf of Mexico. Storm-force north winds have started in the the Gulf of Tehuantepec are funneling across the Chivela Pass, supporting storm-force winds in the Tehuantepec region as a very tight gradient has set-up over southern Mexico. Peak wave heights are in the range of 13-20 ft. These winds will diminish to strong gale-force speeds on Sun and continue through Sun evening. Afterwards, strong to near gale-force winds will gradually diminish through Mon morning. For further details, please see the latest NWS High Seas Forecast issued by the National Hurricane Center, at this website: https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from northwestern Colombia to the coast of Colombia near 07N78W to 04N80W to 02N90W to 03N96W, where latest scatterometer data indicates that it transitions to the ITCZ and continues to 04N110W to 04N120W to 04N131W. It resumes at 04N138W to beyond 04N140W. Scattered moderate convection is within 180 nm south of the trough between 93W-96W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO Surface ridging anchored by a 1027 mb high near 30N131W continues to provide moderate northeast winds along the Baja California offshore waters, with wave heights of 3-5 ft in a south to southwest swell. Along the Gulf of California, fresh to strong northwest winds continues all the way to the Nayarit offshore waters with wave heights of 5-6 ft. Light to gentle northwest winds are elsewhere along the SW Mexican offshore waters, with wave heights of 2-3 ft. A gap wind event is ongoing for the region of Tehuantepec with storm-force winds. See the Special Features section for further details. Fresh to strong winds in the Gulf of California will gradually diminish this evening. Otherwise, moderate to fresh winds will prevail off Baja California Norte through the middle of next week when the next gap wind event is forecast for Tehuantepec. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR A weak pressure gradient across the area is supporting light to gentle variable winds, with wave heights to 5 ft. Moderate E winds are pulsing in the Gulf of Papagayo and in the Gulf of Panama. Gentle winds continue will through most of the forecast period, except for the Papagayo region where winds will pulse to fresh to strong by Sun through the middle of the week. Moderate northerly winds will also pulse in the Gulf of Panama tonight through Mon night. REMAINDER OF THE AREA High pressure of 1027 mb high near 30N131W continues to extend a ridge across the high seas, supporting moderate to fresh northeast to east winds and wave heights 5-8 ft north of the ITCZ and west of 115W. Locally strong winds are noted from 10N to 15N west of 137W. Moderate to fresh northeast to east winds will continue across the area with seas ranging between 8-10 ft through mid-week. Active convection is expected over the weekend north of the ITCZ and west of 130W. $$ Aguirre