000 AXNT20 KNHC 111204 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 804 AM EDT Fri May 11 2018 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 0600 UTC surface analysis and satellite imagery through 1115 UTC. ...MONSOON TROUGH/ITCZ... The monsoon trough passes the coastal sections of Sierra Leone near 08N13W, to 04N20W. The ITCZ continues from 04N20W to 00N34W to the the coast of Brazil near 00N50W. Scattered moderate to strong convection is S of the monsooon trough from 02N-07N between 00W-20W. Scattered moderate convection along the ITCZ from 00N-03N between 25W-28W, and from 02S-01N between 34W-40W. ...DISCUSSION GULF OF MEXICO... A 1019 mb high is centered over the NE Gulf of Mexico near 30N88W. A surface trough is is over the Bay of Campeche and S Mexico from 22N92W to 17N92W. Scattered showers are within 90 nm of the trough axis. Elsewhere, scattered moderate convection is over the SE Gulf from 24W-26W between 82W-84W. The high will move to the W Atlantic Sat and produce SE return flow over the Gulf. A surface trough will develop over the SE Gulf on Sun and transition to a 1010 mb low over the NE Gulf on Mon with convection and increases winds. CARIBBEAN SEA... A surface trough extends from the Yucatan Channel, to the coast of Honduras. Scattered rainshowers are over the NW Caribbean. The Monsoon Trough passes from the eastern Pacific Ocean to 08N in Panama and Colombia. Scattered moderate to strong convection is over N Colombia. Broad upper level high is centered over the SW Caribbean near 14N80Wa and covers the entire Caribbean. The current western Caribbean Sea surface trough will drift W, moving inland across Central America on today. Fresh to strong winds will prevail in the central Caribbean Sea through Tuesday. ATLANTIC OCEAN... A surface trough, the remnants of an old frontal boundary, is along 32N70W, to 23N80W. Scattered moderate convection is within 120 nm E of the trough to include the Bahamas. A 1027 mb high is centered over the central Atlantic near 35N48W. The current surface trough will drift slowly NW through Saturday. A surface ridge will build from the central Atlantic Ocean in its wake, and prevail through Tuesday. For additional information please visit http://www.hurricanes.gov/marine $$ Formosa