000 AXNT20 KNHC 131758 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 1805 UTC Wed Apr 13 2022 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 1740 UTC. ...SPECIAL FEATURES... Caribbean Sea Gale-Force Wind Warning: Gale-force winds are forecast to be pulsing during the nighttime and early morning hours, for Wednesday night into Thursday morning. The surface pressure gradient, that is between high pressure that is just to the southwest of Bermuda, and lower surface pressures in Colombia, will support fresh to strong trade winds in the south central Caribbean Sea through Saturday. The wave heights will be ranging from 8 feet to 12 feet, during the hours of the comparatively fastest wind speeds. Please, read the High Seas forecast at the website: www.nhc.noaa.gov/text/MIAHSFAT2.shtml, or the Offshore Forecast at the website: www.nhc.noaa.gov/text/MIAOFFNT3.shtml, for details. Eastern Atlantic Ocean Gale-Force Wind Warning: Northerly gale-force winds are forecast, near the coast of Morocco, in the marine zone Agadir, from 13/1500 UTC until 14/1200 UTC, according to the forecast from Meteo-France. The wave heights will build to 12 feet tonight, in association with these winds. Please, read the latest High Seas Forecast, issued by Meteo- France at the website: http://weather.gmdss.org/II.html, for more details. ...MONSOON TROUGH/ITCZ... The monsoon trough passes through the coastal plains of Guinea near 10N14W, to 04N20W, and to the Equator along 24W. The ITCZ continues from 00N24W to 03S30W, 03S33W, and to 04S37W. Precipitation: widely scattered moderate to isolated strong is from 05N southward from 12W eastward, and from 03N southward between 46W and 52W in Brazil. Isolated moderate to locally strong is elsewhere from 10N southward from 60W eastward. GULF OF MEXICO... A 1025 mb high pressure center is near 30N66W, about 135 nm to the SW of Bermuda. Surface anticyclonic wind flow spans the Gulf of Mexico, with a ridge that extends from the 1025 mb high pressure center. Rainshowers are possible from 90W eastward, in trade wind flow. Mostly fresh to some strong SE winds are in the central one- third of the Gulf of Mexico. Fresh SE and S winds cover the remainder of the Gulf of Mexico. The wave heights range from 6 feet to 8 feet from 22N northward from 89W westward. A few isolated wave heights are at 9 feet and at 11 feet, from 120 nm to 160 nm off the coast of SE Texas. The wave heights range from 4 feet to 6 feet in the remainder of the area. The pressure gradient between a ridge centered over the W Atlc and lower pressures over NE Mexico will continue to support fresh to strong southerly winds over the western half of the Gulf through late today. A weak cold front will move off the Texas coast tonight, and extend over the northern Gulf on Thu, then stall. The western part of the front will lift back north as a warm front on Fri, while its remainder remains stationary. Fresh to strong N to NE winds will briefly follow the front tonight into Thu morning. CARIBBEAN SEA... Please, read the SPECIAL FEATURES section, for information about the GALE-FORCE WIND WARNING, for the Caribbean Sea. Strong to near gale-force NE winds are in the south central Caribbean Sea, off the coast of Colombia. Fresh to strong NE winds cover the eastern one-third of the area, in the central sections from Hispaniola and Jamaica southward. Moderate to fresh winds are in the remainder of the area. The wave heights range from 8 feet to 12 feet near the coast of Colombia; from 6 feet to 8 feet in the Windward Passage; and from 3 feet to 6 feet elsewhere. Shallow moisture, that is embedded in the trade wind flow, is producing isolated to scattered passing rainshowers. The comparatively greatest amounts of cloudiness and precipitation are from 16N northward. The pressure gradient between high pressure just W of Bermuda and low pressure in Colombia will continue to support fresh to strong trades over the south-central Caribbean near the coast of Colombia through Fri night. Winds will pulse to minimal gale force just offshore Colombia at night through tonight. Fresh east to southeast winds will pulse to strong in the Gulf of Honduras at night through Thu night. N-NE swell will dominated seas E of 65W through Thu. ATLANTIC OCEAN... Please, read the SPECIAL FEATURES section, for information about the GALE-FORCE WIND WARNING, for the Eastern Atlantic Ocean. A cold front passes through 31N34W to 24N44W. The cold front is dissipating from 24N44W to 21N51W. A shear line continues from 21N51W to 20N60W, to 21N71W near the Turks and Caicos Islands. Precipitation: rainshowers are possible within 60 nm on either side of the frontal boundary/shear line. Fresh to strong NE winds are within 270 nm to the north of the shear line between 50W and 70W. Moderate to fresh NE winds are elsewhere within 360 nm to 480 nm to the north of the shear line between 50W and 70W. Fresh NE winds are from 16N southward between 40W and 60W. Fresh N winds are within 100 nm of the coast of Africa from 28N to 32N, and within 75 nm of the coast of Africa from 21N to 23N. Fresh E to SE winds are from 29N southward from 73W westward. Moderate to fresh NE winds are in the remainder of the Atlantic Ocean. The wave heights range from 8 feet to 11 feet from the frontal boundary northward between 50W and 60W, within 270 nm to the north of the shear line between 60W and 70W, and to the north and northwest of the front from 6 feet to 9 feet from 50W eastward. The wave heights range from 4 feet to 7 feet from 25N northward between 60W and 70W; and from 3 feet to 5 feet from 70W westward. The wave heights range from 7 feet to 10 feet from the line 31N17W 25N30W 21N39W 18N53W southward to 04N/05N. The wave heights range from 3 feet to 6 feet in the remainder of the Atlantic Ocean. Surface anticyclonic wind flow spans the Atlantic Ocean to the west and northwest of the frontal boundary. A 1025 mb high pressure center is near 30N66W. A cold front extends from 30N35W to 23N46W where a shearline begins and continues to near 21N71W. High pressure located just W of Bermuda dominates the remainder of the forecast area. A belt of fresh to strong NE to E winds, with seas in the 8 to 10 ft range will persist across the waters S of 23N through the upcoming weekend as high pressure remains in the vicinity of Bermuda. A weak cold front will move off the southeastern U.S. coast Fri, and become stationary Fri night. $$ mt/ss