Atlantic Tropical Weather Discussion


  000 AXNT20 KNHC 090914 TWDAT   Tropical Weather Discussion NWS National Hurricane Center Miami FL 1205 UTC Sat Mar 9 2024  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 31N. The following information is based on satellite imagery, weather observations, radar and meteorological analysis.  Based on 0600 UTC surface analysis and satellite imagery through  0900 UTC.  ...MONSOON TROUGH/ITCZ...  The monsoon trough moves off the coast of Africa near 07N12W to 00N18W. The ITCZ continues from 00N18W to 03S38W. Scattered moderate convection is noted within 120 nm N of the ITCZ between 20W and 38W.   ...GULF OF MEXICO...  A cold front is over the NW Gulf. Fresh to locally strong winds are near the coast of Texas as well as in the central Gulf. Moderate to fresh winds are elsewhere E of 90W, and light to gentle elsewhere W of 90W. Seas are in the 5-7 ft range in the central Gulf, and mainly in the 2-4 ft range elsewhere E of 90W. Seas of 3-5 ft are W of 90W.  For the forecast, the front will reach from central Florida to  the Yucatan peninsula by Sun morning before stalling and  dissipating over the Yucatan Channel Mon. Fresh to strong  northerly winds and moderate to rough seas are expected in the  wake of the front. Scattered showers and thunderstorms are  expected ahead of the front. Conditions will improve early next  week as high pressure builds in the wake of the front.   ...CARIBBEAN SEA...  Fresh to strong winds are in the south central Caribbean as well  as the Gulf of Honduras. Moderate to locally fresh winds generally prevail elsewhere. Seas are in the 6-8 ft range in the south central Caribbean and 4-7 ft over the NW Caribbean. Seas of 4-5 ft are elsewhere E of 80W, and 2-4 ft elsewhere W of 80W.   For the forecast, high pressure NE of the area combined with low pressure over Colombia will support pulses of fresh to strong northeast to east winds over the south-central Caribbean through Tue night, and in the Gulf of Honduras through tonight. Fresh to  locally strong trades will also prevail over the southeastern  Caribbean through tonight. Gentle to moderate winds will prevail  elsewhere. A weakening cold front will approach the Yucatan  Channel and western Cuba late Sun.    ...ATLANTIC OCEAN...  A cold front extending from 31N64W to 28N70W becomes stationary  to 28N72W, then a warm front to N Florida. Fresh winds are noted off the coast of N Florida, N of the warm front. Light to gentle winds are elsewhere N of the frontal boundary. Gentle to moderate winds are W of 70W. Light to gentle winds are N of 20N between 50W and 70W. Moderate to fresh winds prevail over much of the waters E of 40W, reaching strong speeds off the coast of Africa. Seas are in the 8-12 ft range E of 50W, and 4-7 ft elsewhere.  For the forecast W of 55W, the front will move across the waters  north of 28N today, exiting the forecast region tonight. A  stronger cold front is expected to emerge off the coast of  northeast Florida tonight. This front is forecast to reach from  near Bermuda to western Cuba Sun night and from near 28N55W to the southeastern Bahamas by Mon night. Scattered thunderstorms are  likely to precede this front. High pressure will build in the wake of this front.   $$ AL