000 AXPZ20 KNHC 210314 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Fri Jan 21 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 0300 UTC. ...SPECIAL FEATURES... Gale Warning for Pacific waters: A well-defined area of low pressure producing gale-force winds is located more than 1000 miles east- northeast of Hilo, Hawaii near 22N136W. The gale winds prevail over the northern semicircle, with seas ranging between 8 to 16 ft. Shower and thunderstorm activity has decreased a little during the past several hours. Environmental conditions appear to be only marginally favorable for additional development, and they are expected to become much less favorable on Friday. However, there is still a low chance for a short-lived subtropical or tropical cyclone to form during the next day or so as the low moves northwestward to westward. Gulf of Tehuantepec Gale Warning: A cold front moving through the western Gulf of Mexico through Fri will bring gale-force winds over the Tehuantepec region Fri morning through Sun night. Seas will reach as high as 12 ft in the Gulf of Tehuantepec on Sat. Winds and seas will diminish over the Gulf of Tehuantepec early next week. For more information on these events, see the latest East Pacific High Seas Forecast product. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 08N78W to 06N94W. The ITCZ continues from 06N94W TO 09N140W. Scattered moderate convection is noted along the ITCZ mainly W of 129W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO Please refer to the Special Features section above for details on the Gale Warning for the Gulf of Tehuantepec. Surface ridging prevails W of the Baja California, supporting fresh to strong winds off Baja California and its Gulf tonight. Light to gentle variable winds prevail elsewhere off Mexico with seas of 3 to 5 ft as indicated by recent altimeter data. For the forecast, the high pressure building W of the Baja peninsula will continue to support NW fresh to locally strong winds across the Gulf of California through Fri. A cold front will move into the northern Gulf of California and the waters off Baja California Norte on Sat, then stall and dissipate over Baja California Sur and the southern Gulf of California Sun into Mon. Winds and seas will be enhanced in the vicinity of the front. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR High pressure N of the area is supporting fresh to strong NE to E gap winds across the Papagayo region extending to near 92W. Seas across that area are in the 5 to 6 ft range. Moderate to locally fresh northerly winds are in the Gulf of Panama region with seas to 6 ft. Elsewhere winds are moderate or weaker with seas in the 3 to 5 ft range. For the forecast, fresh to strong NE to E gap winds will prevail across the Papagayo region through the middle of next week. Elsewhere, winds should remain tranquil for the next several days. Large NW to N swell from the Gulf of Tehuantepec will impact the Guatemala and El Salvador offshore waters Sat night through Sun night. REMAINDER OF THE AREA Please see Special Features for details about the Pacific Gale Warning. A large area of fresh to near gale force NE to E winds are N of 22N and W of 125W associated with the gale low pressure area described above. Seas in the area are raging between 8-16 ft. Gentle to moderate easterly winds and 5 to 7 ft seas prevail elsewhere across the region. For the forecast, high pressure building N of the 1006 mb low pressure will continue to support a large area of fresh to strong E winds through Fri. By Fri afternoon, the low will move west 140W and weaken substantially. Winds and seas will subside as the low continues moving W away from the area and weakening. $$ ERA