000 AXNT20 KNHC 090955 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 555 AM EDT Tue Apr 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 0600 UTC surface analysis and satellite imagery through 0945 UTC. ...SPECIAL FEATURES... ...Far Eastern Atlantic Gale Warning... Gale force winds out of the north-northeast are expected off the coast of Morocco in the marine zones of Agadir and Tarfaya on Wednesday, according to the Meteo France forecast. Winds will begin increasing today, reaching near gale by this evening. For more details, refer to the Meteo France High Seas Forecast listed on their website: www.meteofrance.com/previsions-meteo- marine/bulletin/grandlarge/metarea2. ...MONSOON TROUGH/ITCZ... The monsoon trough extends from the coast of Sierra Leone near 08N13W to 00N21W. The ITCZ continues from 00N21W to the coast of Brazil near 02S43W. Scattered moderate convection is along and in the vicinity of both boundaries mainly south of 02N. The strongest activity is noted east of 20W. GULF OF MEXICO... A cold front extends from 30N87W to 24N90W to 18N92W. Scattered moderate convection prevails along and east of the front. High pressure is building behind the front, centered near 24N96W. Scatterometer data depicts moderate to fresh winds within 160 nm on either sides of the front, while light to gentle variable winds prevail over the majority of the area. Moderate winds are noted over the Florida Straits. The cold front extending will reach from near Tampa Bay, Florida to the Yucatan Peninsula by this afternoon, then exit the SE gulf by tonight. High pressure will build over the western half of the basin early on Wednesday and shift to the NE gulf early on Thursday before dissipating ahead of the next cold front to come off the coast of Texas on Thursday morning. Fresh to strong return flow will develop over the western Gulf on Wednesday night through Thursday morning. The front is expected to lift back over Texas Thursday. CARIBBEAN SEA... High pressure north of the basin will support fresh to strong trade winds across the south-central Caribbean through tonight. A cold front will reach the NW Caribbean tonight, and extend from western Cuba to the Gulf of Honduras by Wednesday morning before dissipating. Fresh to strong winds will resume in the south- central Caribbean by the end of the week as a ridge builds in the northwest Atlantic. Fresh to strong trades are expected to develop over the Gulf of Honduras by Friday and continuing through the weekend. ATLANTIC OCEAN... Surface ridging prevails across the area anchored by 3 surface highs. A 1020 mb high is centered near 29N66W, the next one is a 1022 mb high centered near 27N46W. The third one is a 1022 mb high centered near 28N24W. Refer to the section above for details on a Gale Warning over the far E Atlantic off the coast of Morocco. The ridge will shift E ahead of a low pressure tracking eastward from Mississippi to the SE U.S. by tonight. A cold front associated with this low will reach the NW forecast waters early on Wednesday. The cold front will extend from 31N72W to the Florida Straits by Wednesday afternoon, and from 31N65W to the southern Bahamas on Thursday afternoon. Fresh to strong SW winds are expected over the north waters ahead of the front, reaching near gale force N of 30N on Wednesday evening. Scattered heavy showers and thunderstorms associated with the front will affect the region through the end of the week. High pressure will build across the region once again by Thursday and prevail through the weekend. For additional information please visit http://www.hurricanes.gov/marine $$ ERA