000 AXPZ20 KNHC 070352 TWDEP Tropical Weather Discussion...Corrected NWS National Hurricane Center Miami FL 0405 UTC Mon Jan 7 2019 Corrected special features section 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 0000 UTC surface analysis and satellite imagery through 0215 UTC. ...SPECIAL FEATURES... Gulf of Tehuantepec Gale Warning: Fresh to strong gap winds in the gulf will decrease to less than 20 kt Mon afternoon. Winds will pick up again Mon evening increasing to near gale force as high pressure builds across southern Mexico. Gale force winds are expected to begin across the gulf waters Tue evening as strong high pressure expands east across the entire Gulf of Mexico. Gale conditions will then prevail through Thu night with winds decreasing below advisory criteria on Fri. Please see the latest High seas Forecast product under AWIPS/WMO headers HSFEP2/FZPN03 KNHC for more details. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 04N77W to 02N80W to 06N86W to 05N90W. The ITCZ continues from 05N90W to 04N101W to 07N110W to 05N130W to beyond 05N140W. Scattered moderate isolated strong convection is within 120 nm either side of the trough, and from 03N to 10N between 105W and 114W. ...DISCUSSION... OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A set of long period NW swell prevails across the offshores of Baja associated with a former cold front that dissipated earlier today. Seas of 8 to 11 ft associated with this swell will continue to propagate across the waters W of Baja California through Mon night when it will subside. Moderate to locally fresh NE winds will dominate over the region during this swell event. A new cold front moving across open waters west of baja Monday and Tue will bring a new set of long period swell Wed morning with seas of 8 to 14 ft spreading SE across the offshores of Baja through Friday. Moderate NE winds will dominate across the region with this second swell event. Gulf of California: Light and variable winds are expected through Mon morning. Strong high pressure will build N of the gulf Mon afternoon, thus supporting NW winds in the range of 15- 20 kt mainly S of 30N. Winds will become light and variable again over the northern Gulf by Tue night. However, moderate to fresh NW winds are forecast to persist across the central and southern Gulf through Thu. Gulf of Tehuantepec: Please, see Special Features section for details. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Gulf of Papagayo: Fresh to strong NE to E winds are expected across and downstream of the Gulf of Papagayo through Fri. Winds will be greatest during the overnight and early morning hours with the assistance of the nocturnal drainage flow, and some added enhancement from the easterly gradient flow from the SW Caribbean. Gulf of Panama: Fresh to strong northerly winds are across the gulf of Panama and downstream waters to 05N tonight. Seas to 8 ft are expected through Mon morning. REMAINDER OF THE AREA... A surface trough, remnants of a former low, extends from Baja California Sur near 23N110W to 18N114W to 14N118W. Fresh to strong winds are west of the trough from 15N to 22N between 110W and 125W, however these winds will diminish to moderate to fresh by Monday morning as a cold front approaches the NW forecast waters. NW swell associated with a former cold front will prevail across the waters N of 10N through Tue. The new cold front is forecast to reach the NW corner of the forecast area by early Mon afternoon. Strong to near gale force winds are expected ahead of the front on Mon morning, followed by near gale force winds in the afternoon hours as the front moves across the NW waters. Winds are forecast to diminish to fresh Tue night. Long period NW swell associated with the front will support seas to 24 ft. This swell will start to subside Thu morning ahead of another set of swell associated with a stronger cold front that will enter the NW forecast waters on Thu afternoon. $$ Ramos