000 AXNT20 KNHC 101033 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 705 AM EST Sun Mar 10 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 1015 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 13N between 74W and 76W, near the coast of Colombia. The sea heights will range from 10 feet to 13 feet. The wind speeds will be less than gale-force during the daytime hours on Sunday, and then return to gale- force from Sunday night to Monday morning. Please read 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 Sierra Leone near 08N13W to 03N15W and the Equator along 20W. The ITCZ continues from the Equator along 20W, to 02S33W and 03S39W at the coast of Brazil. Isolated moderate to locally strong rainshowers are from 04N southward between 13W and 19W, and from 02N southward between 43W and 50W. Rainshowers are possible elsewhere from 10W eastward, and from 05N southward from 20W westward. GULF OF MEXICO... Broad upper level westerly wind flow spans the entire Gulf of Mexico. An east-to-west oriented surface ridge is in the central Gulf of Mexico. A stationary front extends from east Texas, toward the border area with Mexico from 28N to 29N along 100W. Surface high pressure will cover the area through Monday night. A cold front will enter the NW Gulf of Mexico on Tuesday, and then move northward as a warm front on Wednesday. Another cold front will enter the NW Gulf of Mexico on Thursday night. CARIBBEAN SEA... A surface trough is in the western part of the Dominican Republic, along 71W/72W, from 16N to 20N. Rainshowers are possible from 16N to 20N between the Mona Passage and Jamaica, including across Hispaniola. High pressure to the north of the area will support fresh to strong trade winds in much of the central Caribbean Sea through Thursday night. 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. ATLANTIC OCEAN... Surface anticyclonic wind flow covers the area that is between the stationary front that is to the southeast, and a cold front/ warm front boundary that is to the north, and continuing to the Bahamas and the Florida east coast. A stationary front passes through 32N51W to 29N57W to 26N59W, and to 25N64W. Scattered moderate to strong rainshowers cover the waters from 30N to 33N between 51W and 54W. Widely scattered moderate to isolated strong rainshowers are from 26N to 30N between 51W and 55W. Rainshowers are possible elsewhere from 23N northward between 50W and 80W. A surface ridge extends from a 1035 mb high pressure center, that is near 38N22W, through 35N30W, 32N38W, to 28N45W and 25N55W. Upper level cyclonic wind flow covers the area that is from 19N northward between 33W and 41W. An upper level cyclonic circulation center is near 25N38W. High pressure will prevail across the area through Monday. A cold front, entering the NW waters on Monday, will move across the waters N of 27N through Tuesday night. High pressure will develop again in the northern waters from Wednesday through Thursday night. For additional information please visit http://www.hurricanes.gov/marine $$ mt