000 AXNT20 KNHC 101030 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 1205 UTC Thu Dec 10 2020 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 1030 UTC. ...MONSOON TROUGH/ITCZ... The monsoon trough passes through the coastal areas of Sierra Leone near 08N13W to 04N21W. The ITCZ continues from 04N21W to 02N25W to 02N44W. Scattered moderate isolated strong convection is noted from 01N to 06N between 08W and 17W. Isolated moderate is from 09N southward between 17W and 54W. GULF OF MEXICO... Broad upper level W wind flow spans the Gulf of Mexico. A 1022 mb high pressure is centered near 25N90W. High pressure has settled into the Gulf of Mexico. Broad surface anticyclonic wind flow spans the entire Gulf of Mexico. THe high pressure will shift eastward through Friday. Southerly winds will increase in the western Gulf of Mexico tonight through Saturday. A strong cold front will move into the NW Gulf of Mexico Sunday night, and extend from central Florida to southern Mexico on Monday. Strong northerly winds are expected north of the front. CARIBBEAN SEA... A dissipating cold front passes from the Atlantic Ocean to 19N70W in the Dominican Republic, curving to 15N77W, and to 09N82W in Panama. Broken to overcast multi-layered clouds, and scattered showers are within 250 nm to the NW of the front. The monsoon trough is along 08N/10N from 73W in N Colombia and Panama. Isolated showers are south of 12N and west of 72W into the countries of Central America. The front across the Caribbean will stall and weaken today. Fresh northerly winds northwest of the front will gradually diminish through Friday morning. Fresh to strong winds are expected near the coast of Colombia through Sunday. ATLANTIC OCEAN... A cold front extends from 32n54w to 28N60W, to the Dominican Republic near 19N69W. Scattered moderate showers are within 180 nm on either side of the front north of 24N. Broken to overcast multi-layered clouds scattered showers are elsewhere within 250 nm of the front. A surface trough is along 18N44W to 10N46W. Scattered moderate convection associated with the trough is from 12N to 21N between 38W and 50W. Another surface trough is from 09N49W to 06N57W at the border of Guyana and Suriname, with isolated showers near the trough axis. A surface ridge extends from a 1032 mb high pressure center near 34N27W to 26N52W. Surface anticyclonic wind flow covers the Atlantic Ocean from 20N northward, east of the cold front. The cold front will stall and weaken today. High pressure will build eastward across the forecast area through Friday. A cold front will move east of northern Florida on Monday. $$ Mundell