714 AXNT20 KNHC 032351 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 0005 UTC Thu Jan 4 2024 Tropical Weather Discussion for North America, Central America Gulf of Mexico, Caribbean Sea, northern sections of South America, and Atlantic Ocean to the African coast from the Equator to 31N. The following information is based on satellite imagery, weather observations, radar and meteorological analysis. Based on 1800 UTC surface analysis and satellite imagery through 2350 UTC. ...SPECIAL FEATURES... The associated pressure gradient between high pressure over the SW N Atlantic waters and a cold front entering the central Atlantic subtropical waters supported gale-force winds behind the front N of 29N through this evening. However, fresh to strong W to NW winds and seas between 12 and 17 ft continue to impact the offshore waters behind the front to 64W and N of 28N. The front will move E of the area late tonight/early Thu morning, but large NW swell with seas to 15 ft will subside Thu late in the afternoon. Please, refer to the High Seas Forecast, that is issued by the National Hurricane Center, at https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml1, for more details. ...MONSOON TROUGH/ITCZ... The monsoon trough extends from 06N11W to 06N17W. The ITCZ extends from 06N17W to 04N30W to 02N38W. No significant convection is ongoing at this time. ...GULF OF MEXICO... A warm front extends from low pressure centered over the NE Gulf near 28N87W through the Florida Big Bend into northern Florida. A cold front extends also from the low SW to the central gulf near 25N91W to Veracruz, Mexico. Scattered showers are ahead of the cold front affecting portions of the eastern gulf. Moderate to fresh northerly winds and seas to 7 ft follow the front, except for locally strong winds off Veracruz. Ahead of the front and N of 24N, winds are fresh from the SW while seas are in the 5-6 ft range. For the forecast, the low pressure will track NE, lifting the warm front over the NE Gulf while the cold front moves E across the basin through early Thu. Fresh to strong winds are expected with this low and cold front into tonight. Another low pressure and cold front is forecast to move across the basin Fri into Sat, bringing strong winds and the potential for thunderstorms across the NE Gulf. Looking ahead, the next front will arrive at the start of next week. ...CARIBBEAN SEA... High pressure anchored by a 1020 mb high NE of Freeport in the Bahamas and its associated ridge continue to support moderate to fresh trade winds across the eastern half of the basin, including NE fresh winds in the Windward Passage. Seas over the central and E Caribbean are in the 3 to 6 ft range, being the highest seas in the SW Caribbean over the offshore waters between Panama and Colombia. Light to gentle winds are elsewhere W of 80W along with seas to 3 ft. For the forecast, a tight pressure gradient between high pressure centered N of the basin and lower pressure over South America will support fresh to strong winds off Colombia through the forecast period. S winds will increase to fresh to strong in the NW Caribbean Fri night into early Sat as a cold front passes north of the area. ...ATLANTIC OCEAN... Please, refer to the Special Features section, for details about a gale warning over the SW N Atlantic waters. Surface high pressure has built over the SW N Atlantic waters in the wake of a cold front that is starting to move into the central subtropical Atlantic waters. The cold front extends from 31N53W SW to the southern Bahamas offshore waters near 23N70W. Scattered showers and tstms are ahead of the front N of 26N to 31W. Fresh to near gale force winds and seas to 17 ft follows this front. See more details in the Special Features section. Fresh to strong SW winds are ahead of the front to 42W and N of 25N. Surface ridging is over the remainder central and eastern subtropical waters allowing for light to gentle variable winds and seas between 5 to 7 ft in NW swell. In the tropics, trade winds are moderate to fresh with 5-6 ft seas. For the forecast W of 55W, the cold front will move rapidly eastward, moving E of the area by Thu morning. Gale-force winds will lift north out of the are this evening. Another cold front will move off the Florida coast late tonight, extend from just west of Bermuda to the NE Bahamas Thu night, then move over the SE waters for the end of the week. Strong winds and rough seas will again impact northern waters on both sides of this front. A third and stronger cold front will move into the waters off NE Florida Sat. Gale force southerly winds are possible off NE Florida ahead of the front Sat. $$ Ramos