566 AXNT20 KNHC 082327 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 627 PM EST Fri Mar 8 2019 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 32N. The following information is based on satellite imagery, weather observations, radar and meteorological analysis. Based on 1800 UTC surface analysis and satellite imagery through 2315 UTC. ...SPECIAL FEATURES... ...Caribbean Gale Warning... The pressure gradient has tighten over the south-central Caribbean enhancing the winds near the coast of Colombia from 11N to 12N between 74W-76W, where gale-force winds will return on 09/0000 UTC, with seas to 10 to 13 ft. Gale-force winds are forecast to end again on 09/1200 UTC. Winds are expected to increase again each night through early next week. Please refer the latest High Seas Forecast issued by the National Hurricane Center under AWIPS/WMO header MIAHSFAT2/FZNT02 KNHC or the website https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for further details. ...MONSOON TROUGH/ITCZ... The monsoon trough enters the east Atlantic waters from the African coast near 05N10W to 02N14W to 01N20W. The ITCZ continues from that point to the coast of Brazil near 02S42W. Scattered moderate convection is noted S of the monsoon trough from 00N-05N between 03W-10W. Widely scattered moderate convection is S of the ITCZ from 01N-03S between 20W-28W. GULF OF MEXICO... Surface ridging extends across the basin, anchored by a 1029 mb high centered over the northwest Atlantic near 33N68W. Scatterometer data depicts moderate SE winds across most of the basin. In the upper levels, zonal flow is over the Gulf with strong subsidence. High pressure will prevail over the forecast waters through Sat. A weak cold front will enter the NW Gulf of Mexico on Sun, then dissipate by Mon. High pres will once again build across the area Mon through Wed night. CARIBBEAN SEA... Refer to the section above for details about the Gale Warning currently in effect for the south-central Caribbean. The tail-end of a dissipating stationary front continues to linger along the eastern tip of Cuba from 21N74W to 19N80W. Scattered showers are over E Cuba. Elsewhere, scattered showers are over the E Caribbean E of 68W. 15-30 kt tradewinds are over the Caribbean with strongest winds along the coast of Colombia and weakest winds over the Yucatan Channel. High pressure north of the area will support fresh to strong trades over much of the central Caribbean until the middle of next week, with gale force trades expected each night near the coast of Colombia. Moderate to fresh trades will continue across the remainder of the area through early next week. ATLANTIC OCEAN... A 1029 mb high is centered over the west Atlantic near 33N68W. A cold front enters the discussion area near 31N51W and extends southwest to 23N67W where the front transitions to a stationary front to the eastern tip of Cuba near 21N74W. Scattered showers are within 90 nm of the fronts. Surface ridging prevails across the remainder of the basin anchored by a 1033 mb centered near 36N28W. The front will dissipate by Sat evening. High pressure will then build N of the front across the area through Mon. A cold front will enter the NW corner of the area Mon, then move across the waters N of 27N through Tue night. High pressure will build over the northern waters once again Wed and Wed night. For additional information please visit http://www.hurricanes.gov/marine $$ Formosa