000 AXNT20 KNHC 141805 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 205 PM EDT Sun Apr 14 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 1200 UTC surface analysis and satellite imagery through 1745 UTC. ...SPECIAL FEATURES... ...Gulf of Mexico Gale Warning... A cold front has entered the Gulf of Mexico extending from 30N88W to 21N95W to 18.5N95W in the Bay of Campeche. Northwest gale force winds are forecast south of 21N W of front with seas 8 to 10 ft. See the latest NWS High Seas Forecast issued by the National Hurricane Center under AWIPS/WMO headers HSFAT2/FZNT02 KNHC or at website https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for further details. ...MONSOON TROUGH/ITCZ... The monsoon trough extends from the coast of Liberia near 04N07W to 01N18W. The ITCZ continues from 01N18W to 02S29W to the coast of Brazil near 02S42W. Scattered moderate to isolated strong convection is along the ITCZ from 00N-06S between 30W-41W. Scattered moderate convection is also seen near the monsoon trough from 04N-00N between 11W-14W. GULF OF MEXICO... A cold front extends from southern Alabama near 30N88W to the central Gulf near 21N91W to 18N95W in the Bay of Campeche. A squall line is noted ahead of the front near 30N86W to 27N88W. There is also a secondary weakening cold front in the western Gulf from 29N91W to 26N94W. This line is around 60 to 80 nm ahead of the front producing frequent lightning, gusty winds, and low visibility. Smoke is lingering over the eastern portion of the Bay of Campeche and the Yucatan Peninsula this morning. As the front continues to move southeast, most of the smoke with hazy skies will be pushed out to the southeast and into the NW Caribbean this afternoon and evening. Fresh to strong northerly winds to near Gale is observed in the southwest Gulf with a more moderate to fresh to the northwest and central Gulf behind the front. See above for more details on the developing gale in the southwest Gulf. A cold front extending from Alabama to the Bay of Campeche will move across the remainder of the Gulf waters today, shifting SE of the area by Mon night. Minimal gale conditions will prevail off the coast of Veracruz Mexico today. Showers and thunderstorms can be expected ahead of the front in the northern Gulf today. High pressure will build across the area in the wake of the front and prevail through Wed. Another cold front will move into the NW Gulf Thu. CARIBBEAN SEA... Low-topped showers and clouds are quickly moving westward across the Greater Antilles. In the southern Caribbean, showers are also moving off of the coast of South America and into the southern basin and the Windward Islands. Surface trough is noted from 20N73W to 17N75W. Scattered showers are noted near the trough axis. Otherwise,moderate to fresh trades are seen across the eastern and central basin with fresh to strong winds north of Colombia and in the Gulf of Honduras. Fresh to strong southeast winds in Gulf of Honduras will diminish tonight. Fresh to strong winds in the south- central Caribbean near the coast of Colombia will continue through Thu night. ATLANTIC OCEAN... A cold front enters the waters near 29N34W and extends west to 23N46W. From that point, the boundary stalls as it extends to near 30N67W. Showers continue to move along the cold front within 50 nm of the boundary, including the tail-end of the front. More organized line of showers is seen east of 30W near the boundary. Showers are also moving south-southeast 180nm of the front. Otherwise, high pressure continues ridging across the Atlantic anchored by a 1030 mb high near 32N53W. Gentle to moderate easterly winds are in the southern Atlantic. Behind the cold front, northerly fresh to strong winds are seen. A cold front will move off the southeast U.S. coast tonight, preceded by fresh to strong southerly winds. The front will reach from Bermuda to Straits of Florida Tue, then weaken and become stationary from 27N65W to the northern Bahamas Wed. High pressure will build in the wake of the front. For additional information please visit http://www.hurricanes.gov/marine $$ MMTorres