000 AXNT20 KNHC 091201 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 705 AM 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 0600 UTC surface analysis and satellite imagery through 1130 UTC. ...SPECIAL FEATURES... ...Caribbean Sea Gale Warning... NE gale-force winds will be slowing down in speed, to less than gale-force, during the next hour or so. Expect the NE gale-force winds to return tonight, from 11N to 12N between 74W and 76W, near the coast of Colombia. The sea heights will range from 10 feet to 13 feet. The wind speeds will slow down during the daytime hours on Sunday, and then return to gale-force on Sunday night. 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 through the coastal areas of Guinea- Bissau near 11N15W, to 08N18W, 02N21W, and to the Equator along 26W. The ITCZ continues from the Equator along 26W, to 03S37W. Scattered moderate to isolated strong rainshowers are from the coast of Africa southward between 08W and 11W. Widely scattered moderate to isolated strong rainshowers are from 06W eastward, and from 03N southward between 20W and 26W. Isolated moderate to locally strong rainshowers are elsewhere to the south of the line from 07N11W 04N25W, to 04N51W at the coast of Brazil. GULF OF MEXICO... An upper level ridge is along 90W. A surface ridge extends from central Florida, into the south central Gulf of Mexico, into the SW corner of the Gulf of Mexico. Surface high pressure will linger in the forecast waters through Saturday. A cold front will enter the NW Gulf of Mexico on Sunday. The front will stall near the northern Gulf of Mexico shoreline on Monday and Tuesday, and then move N as a warm front on Wednesday. CARIBBEAN SEA... Rainshowers are possible from 15N northward from 70W westward. Rainshowers are possible also, from 15N southward from 79W, moving toward Central America, in easterly surface wind flow. A surface trough is in the eastern part of the Caribbean Sea, from the Virgin Islands to 14N66W, toward La Isla de Margarita of Venezuela. Broken to overcast multilayered clouds and possible rainshowers cover the area that is from 12N to 20N between 63W and 72W. High pressure, that is to the north of the area, will support fresh to strong trade winds in much of the central Caribbean Sea until the middle of next week. Gale-force trade winds are expected each night near the coast of Colombia. Moderate to fresh trade winds will continue across the remainder of the area through early next week. ATLANTIC OCEAN... A 1031 mb high pressure center is near 40N48W. A 1033 mb high pressure center is near 37N21W, about 220 nm to the east of the eastern part of the Azores. A stationary front passes through 32N47W to 28N55W, to 24N65W, and to 24N76W near the central Bahamas. Widely scattered moderate to isolated strong rainshowers are within 30 nm on either side of the line from 30N51W 29N54W 26N57W. Isolated moderate rainshowers are elsewhere within 90 nm on either side of the line that passes through 32N47W to 28N54W 24N60W 24N70W. Surface high pressure will prevail across the area through Monday. A cold front will enter the NW corner of the area on Monday, and then move across the waters that are to the N of 27N through Tuesday night. High pressure will build across the northern waters again on Wednesday and Wednesday night. For additional information please visit http://www.hurricanes.gov/marine $$ mt