####018006090#### AXNT20 KNHC 131752 CCA TWDAT Tropical Weather Discussion...COR NWS National Hurricane Center Miami FL 1805 UTC Sat Apr 13 2024 CORRECTION FOR THE VALID SATELLITE IMAGERY TIME 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 1200 UTC surface analysis and satellite imagery through 1730 UTC. ...SPECIAL FEATURES... ...CARIBBEAN SEA GALE-FORCE WIND WARNING... Expect for tonight in the coastal waters of Colombia: near gale- force to gale-force NE winds, and rough seas, from 11N to 12N between 74.5W and 75.5W. ...ATLANTIC OCEAN GALE-FORCE WIND WARNING AND VERY ROUGH SEAS... The forecast for the afternoon hours and for the nighttime hours of today consists of: near gale-force to gale-force N winds, and very rough seas, from 30.5N northward between 36.5W and 38.5W. Please read the latest High Seas Forecast at https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more details about the gale-force wind warning and the sea heights for each area. ...MONSOON TROUGH/ITCZ... The monsoon trough passes through the coastal sections of southern Sierra Leone, to 04N18W. The ITCZ continues from 04N18W, crossing the Equator along 25W, to 01S30W and 01S34W. Precipitation: widely scattered moderate to isolated strong is from 07N southward. ...GULF OF MEXICO... A 1027 mb high pressure center is near 30N89W. Broad surface anticyclonic wind flow spans the Gulf of Mexico. Fresh NE winds cover the area that is from 90W eastward. An exception is for strong NE winds in the east central Gulf waters. Moderate to fresh SE winds are elsewhere. Moderate seas are to the southeast of the line that runs from the Tampa Florida metropolitan area, to the SE Gulf, to the waters that are off the NW Yucatan Peninsula. Slight seas are elsewhere. High pressure dominates the Gulf basin. Strong winds will pulse off the northwest Yucatan peninsula in the evenings the next several days. Otherwise, moderate to fresh winds with slight to moderate seas can be expected through the weekend and into early next week. ...CARIBBEAN SEA... Please, read the SPECIAL FEATURES section, for details about the gale-force wind warning for tonight off the coast of Colombia. Strong to near gale-force NE winds are from 13N southward between 74W and 78W. Mostly fresh to some moderate NE winds are elsewhere in the central one-third of the Caribbean Sea. Fresh to moderate NE winds are from 70W eastward. Fresh to strong NE winds are to the north of the line that runs from the Gulf of Honduras to the cold front that is in Cuba near 21N79W. Moderate NE winds are elsewhere from the eastern tip of Honduras northward from 80W westward. Fresh NE winds are in the remainder of the Caribbean Sea, in the SW corner of the area. Rough to very rough seas are from 14N southward from 73W westward into the SW corner of the area. Moderate seas are in the remainder of the Caribbean Sea, with some exceptions. The exceptions are for slight seas in the coastal waters from NE Nicaragua to Honduras. The 24-hour rainfall totals in inches, for the period that ended at 13/1200 UTC, are: 0.74 in San Juan in Puerto Rico. This information is from the Pan American Temperature and Precipitation Tables/MIATPTPAN. Fresh to strong winds will prevail off the coast of Colombia, pulsing to gale-force tonight and Sun night. Rough seas will develop during the period of strongest winds. Fresh to occasionally strong winds are expected in the Windward Passage, S of the Dominican Republic, and in the Lee of Cuba. Otherwise, moderate to locally fresh winds and moderate seas can be expected across much of the basin through the weekend and into early next week. Fresh to occasionally strong winds may develop in the Gulf of Honduras mid-week. ...ATLANTIC OCEAN... Please, read the SPECIAL FEATURES section, for details about the gale-force winds and very rough seas, in the central sections of the Atlantic Ocean. A cold front passes through 31N67W, to 28N70W, to the Bahamas near 24N75W, to Cuba near 21N79W. Rough seas are from 29N northward from 70W westward. Strong NW winds are from 30N northward from 70W westward. Moderate to fresh NW winds are from the cold front northward. Mostly gentle to some moderate winds are from the cold front southward from 70W westward. Precipitation: isolated moderate to locally strong is within 60 nm on either side of the cold front. A shear line is along 31N30W 20N40W 18N50W 16N60W. Rough seas are to the north of the line that starts 31N60W 26N60W, to the border of Venezuela and Guyana that is along 60W, to 08N55W 15N60W 17N45W 19N40W 24N35W beyond 31N30W. Rough seas also are from 29N northward from 70W westward. Moderate to rough seas are from 11N to 17N between 43W and 50W. Moderate seas are in the remainder of the Atlantic Ocean. Strong NE winds are from 17N northward between 40W and 55W. Mostly fresh to some strong NE winds are between 55W and 70W; and from 21N northward between 30W and 40W. Mostly fresh NE winds are elsewhere from 30W westward. Moderate or slower winds are from 30W eastward. A cold front extending from 31N67W to central Cuba will stall from 31N61W to eastern Cuba early Sun where it will gradually dissipate. Strong winds occurring on either side of the front N of 29N will diminish tonight. Rough seas will accompany these winds and subside by Sun morning. Large N-NE swell across the SE waters will linger through the weekend. Otherwise, high pressure will build in the wake of the front through early next week with more tranquil marine conditions expected. $$ mt/al