000 AXPZ20 KNHC 050226 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 200 UTC Sun Jan 5 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 0000 UTC surface analysis and satellite imagery through 0200 UTC. ...SPECIAL FEATURES... Gulf of Tehuantepec Storm Warning: A cold front has moved through Guatemala this afternoon and is entering Honduras this evening. Behind it, powerful high pressure sliding southeast off the east coast of Mexico is ushering southward storm force winds into the Gulf of Tehuantepec. These winds of 50 kt will prevail through tonight, before diminishing somewhat, to gales, Sun as the high pressure moves farther east of the area. My midday Monday, northerly winds should decrease to below gale levels. Gale force winds will return Tue, with near storm conditions possible Tue eve. This second round of hazardous winds will likely persist through Wed night. Seas of over 20 ft this evening will peak near 24 feet overnight downwind of the Gulf, with a wide swath of 12 ft or greater seas prevailing over the area through Mon. Seas of 8 ft or greater may diminish some Mon night before new swell is generate from gale force winds Tue. 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... The monsoon trough extends from 1012 mb low pressure near 05N78W to 11N92W to 1013 mb low pressure near 08N97W to 07N102W. The ITCZ axis continues from 07N102W to 06N125W to beyond 07N140W. Scattered moderate convection is noted from 06N to 12N between 95W and 100W and from 06N to 13N between 110W and 120W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Please read the Special Features section for more details about the developing Storm Warning in the Gulf of Tehuantepec. Gulf of California: Moderate to fresh winds through the remainder of the weekend will increase to strong Mon then decrease again Tue. Seas Mon and Tue will reach near 8 ft. Long period NW swell continues to propagate SE across the regional offshore waters, with seas running 6-9 ft across the offshore waters of Mexico. Seas will slowly subside through Sun. New NW swell will arrive offshore of Baja California Norte Sun, subsiding early Tue, with yet another pulse of swell arriving Wed. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Gulf of Papagayo: Strong NE to E winds are developing this evening as a cold front enters Honduras. These winds will likely prevail much of next week, with near gale force winds possible Sun and again Wed. Strong high pressure will build across the Gulf of Mexico and the NW Caribbean Sun through Wed to produce significant gap winds across the entire region, with fresh to possible strong NE winds pulsing offshore along all of the coastlines from Papagayo to SE Guatemala. Also, pulses of fresh wind will be common through the week in the Gulf of Panama. Elsewhere, gentle to moderate S to SW flow will continue over the offshore waters of and south of Costa Rica. Large fresh NW swell generated by the storm force gap winds in the Gulf of Tehuantepec mentioned above will impact the offshore waters of Guatemala and El Salvador tonight through early Mon. Seas up to 12 ft are forecast. Long period NW swell will move SE across the offshore waters through Sun. This very long period, high energy NW swell is reaching producing large and dangerous surf conditions Sun. REMAINDER OF THE AREA... A cold front is slowly dissipating this evening over the NW waters from 30N125W to 24N140W. Fresh to strong NE winds are occurring on either side of this front for areas W of 120W and N of the ITCZ. Some near gale conditions are possible Sun and Sun night, before winds subside to fresh on Tue. Seas through this area will prevail at 8 to 11 ft well into next week. Gale conditions N of the area will bring in N swell into the waters N of 25N and E of 125W Sun night through Mon night, causing seas to reach 12 to 14 ft. $$ KONARIK