000 AXNT20 KNHC 052355 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 705 PM EST Mon Feb 5 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 1800 UTC surface analysis and satellite imagery through 2330 UTC. ...SPECIAL FEATURES... Caribbean Sea Gale Warning: A tight surface pressure gradient between a ridge in the north Atlantic Ocean and lower pressure in northwestern South America will continue to support gale- force winds near the coast of Colombia the next few days during late night and early morning hours. Please read the latest NHC High Seas Forecast under AWIPS/WMO headers MIAHSFAT2/FZNT02 KNHC for more details. ...MONSOON TROUGH/ITCZ... The monsoon trough extends from coastal Liberia near 05N09W to 03N19W. The ITCZ continues from 03N19W across the equator to the coast of Brazil near 03S40W. There is no significant convection associated with the convergence zone. ...DISCUSSION... GULF OF MEXICO... A stationary front snakes across the Gulf of Mexico between 25N and 27N from southern Florida to the Texas/Mexico border. Seas are 3 to 5 ft across the region. The front will dissipate and lift northward along the northern Gulf coast through early Tue. A cold front will move into the northwest Gulf late Wed. Fresh to strong northerly winds and seas building to 8 ft will follow the front, mainly off the coast of Mexico, as the front reaches from central Florida to the southwest Gulf by late Thu, then lift northward as a weak warm front over the western Gulf Fri. CARIBBEAN SEA... Please read the SPECIAL FEATURES section for details regarding the gale-force wind conditions near the coast of Colombia. High pressure north of the area will continue to support strong winds in the south-central Caribbean through Wed, with highest winds and seas near Colombia. Seas will be 8 to 11 ft over much of the south central and SW Caribbean, and 5 to 7 ft elsewhere. Mostly dry, stable conditions prevail across the basin. Patches of shallow moisture may support isolated passing showers south of Hispaniola. The current synoptic pattern will support fresh to strong winds off Colombia, the Windward Passage and in the lee of Hispaniola through Fri. High pressure building over the central Atlc will support fresh trades east of the Leeward and Windward Islands, accompanied by E-NE swell in excess of 8 ft. ATLANTIC OCEAN... A cold front extends from 32N72W SW to near Ft Lauderdale FL with isolated showers NW of the front. Fresh to strong southerly flow is north of 29N east of the front to 65W with seas to 9 ft forecast through tonight. The front will stall from 29N65W to the Straights of Florida Tue, then dissipate Wed. High pressure will build behind the front, supporting fresh to locally strong E winds south of 22N the next few days. A surface trough north of Hispaniola will drift westward without much convection. The Azores high extends a ridge axis west-southwestward across the central and eastern Atlc, where latest scatterometer data show moderate to fresh winds. For additional information please visit http://www.hurricanes.gov/marine $$ Mundell