000 AXNT20 KNHC 092347 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 647 PM EST Sat Mar 9 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 Sea Gale Warning... NE gale-force winds are forecast to begin along the coast of N Colombia shortly on 10/0000 UTC, from 11N to 12N between 74W and 76W. The sea heights will range from 8 to 11 feet. The gale is forecast to end on 10/1200 UTC, only to resume again on 11/0000 UTC, and end again on 11/1800 UTC. Please refer the latest High Seas Forecast issued by the National Hurricane Center under the AWIPS/WMO header MIAHSFAT2/FZNT02 KNHC or the website https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more details. ...MONSOON TROUGH/ITCZ... The monsoon trough passes from the coastal areas of Liberia near 05N10W to 00N15W. The ITCZ continues from this point to 02S20W to the coast of Brazil near 03S41W. Scattered moderate to isolated strong convection is along the monsoon trough from 01N-06N between 10W-15W. Isolated moderate convection is along the ITCZ from 02S-07S between 25W-35W. GULF OF MEXICO... A 1025 mb high is centered over the W Atlantic near 30N66W producing 10-20 kt SE flow over the Gulf of Mexico. A cold front is inland over central Texas moving toward the Gulf. In the upper levels, zonal flow prevails with moisture over the N Gulf N of 26N and strong subsidence S of 26N. High pressure will linger over the forecast waters through Sat. A cold front will enter the NW Gulf of Mexico on Sun, stall along the northern coast Mon and Tue, then lift N as a warm front Wed. Strong SE to S winds are possible in the Gulf Tue night through Thu night. CARIBBEAN SEA... A surface trough is over the central Caribbean from 20N70W to 14N72W. Scattered showers are over Puerto Rico and Hispaniola from 16N-20N between 66W-74W, moving W with the trades. Elsewhere, scattered showers are over the SW Caribbean, Panama, and Costa Rica S of 11N. In the upper levels, a ridge is over the W Caribbean with axis along 85W, while a trough is over the E Caribbean with axis along 64W. Strong subsidence covers the entire Caribbean and Central America. High pressure north of the area will support fresh to strong trades over much of the central Caribbean through Thu night, 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 1025 mb high is centered over the W Atlantic near 30N66W. A stationary front enters the central Atlantic near 31N52W and extends SW to 25N60W dissipating to 24N69W. Scattered showers are within 120 nm of the front E of 60W. A 1034 mb high is over the E Atlantic near 37N21W. High pressure will prevail across the W Atlantic through Mon. A cold front will enter the W Atlantic Mon and move across the waters N of 27N through Tue night. High pressure will rebuild over the W Atlantic Wed through Thu night. For additional information please visit http://www.hurricanes.gov/marine $$ Formosa