000 AXNT20 KNHC 200605 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 205 AM EDT WED JUL 20 2016 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 0000 UTC surface analysis and satellite imagery through 0515 UTC. ...TROPICAL WAVES... An Atlantic Ocean tropical wave is along 13N48W 09N47W 05N45W, moving westward 10 to 15 KNOTS. Convective precipitation: isolated moderate from 12N southward between 40W and 50W. A Caribbean Sea tropical wave is along 70W/71W, across the Dominican Republic, from 21N southward, moving westward 10 to 15 KNOTS. Convective precipitation: isolated moderate from 15N to 18N between 66W and 70W. A Central America tropical wave is along 89W/90W, from 21N southward, from the Yucatan Peninsula beyond Guatemala, moving westward 10 to 15 KNOTS. An upper level cyclonic circulation center is near 21N93W. Broad upper level cyclonic wind flow covers the Gulf of Mexico from the Yucatan Peninsula to the southwestern corner of the Gulf of Mexico. Convective precipitation: isolated moderate to locally strong in the southwestern corner of the Gulf of Mexico and in parts of the Isthmus of Tehuantepec. ...ITCZ/MONSOON TROUGH... The Monsoon Trough passes through the coastal areas of Mauritania near 21N17W, to 13N23W, 12N27W, and 08N39W. The ITCZ continues from 08N39W to 10N47W and 08N59W in northern sections of Guyana. Convective precipitation: scattered moderate to isolated strong from 06N to 09N between 29W and 33W. isolated moderate to locally strong from 05N to 11N from 28W eastward, and elsewhere from 12N southward between 28W and 50W. ...DISCUSSION... ...THE GULF OF MEXICO... Broad upper level cyclonic wind flow covers the area. An upper level cyclonic circulation center is near 21N93W in the southwestern corner of the area. Convective precipitation: isolated moderate from 27N southward. A surface ridge passes through northern Florida near 30N83W to 27N95W in the Gulf of Mexico, to 21N97W along the Mexico coast. ...FOR THE OFFSHORE OIL PLATFORM SITES THAT ARE IN THE AREA WHOSE BOUNDARIES ARE FROM 27N NORTHWARD AND FROM 88W WESTWARD... VFR/NO CEILINGS. LOW LEVEL CLOUD CEILINGS AND WEATHER...FOR THE COASTAL PLAINS OF THE U.S.A. FROM THE DEEP SOUTH OF TEXAS TO FLORIDA... TEXAS: LIFR in Angleton/Lake Jackson. from LOUISIANA to ALABAMA: VFR/NO CEILINGS. FLORIDA: earlier MVFR in the Key West metropolitan area. ...THE CARIBBEAN SEA... Upper level anticyclonic wind flow moves away from Honduras, in order to cover the area that is to the south of the line that runs from the coastal areas of Quintana Roo of the Yucatan Peninsula, to 20N83W 16N76W, to the Peninsula de la Guajira of Colombia. Upper level S to SE wind flow covers much of the rest of the Caribbean Sea. A surface trough passes through the Bahamas to southeastern Cuba. Convective precipitation: isolated moderate from 16N northward from 78W westward, and in the Atlantic Ocean from 23N southward between 70W and 80W. THE 24-HOUR RAINFALL TOTAL IN INCHES FOR THE PERIOD ENDING AT 20/0000 UTC...ACCORDING TO THE PAN AMERICAN TEMPERATURE AND PRECIPITATION TABLES...MIATPTPAN/SXCA01 KNHC...is 0.08 in Guadeloupe. ...HISPANIOLA... Broad upper level cyclonic wind flow from an inverted trough is present across Hispaniola. SURFACE OBSERVATIONS...VFR with few cumulonimbus clouds being reported at some of the stations. FOR HISPANIOLA: The GFS MODEL forecast for 500 MB and for 700 MB shows that broad SE wind flow will move across the area during the next 48 hours. ...THE ATLANTIC OCEAN... Broad cyclonic wind flow from an upper level inverted trough spans the Caribbean Sea, and the Atlantic Ocean that is to the south of the line that runs from 20N70W to 27N77W, to the east coast of Florida near 28N. An upper level trough also passes through 32N73W to 29N75W. Convective precipitation: isolated moderate from 25N northward from 67W westward. Broad surface anticyclonic wind flow covers the area that is from 20N northward between Africa and 70W. A 1030 MB high pressure center is near 34N45W. For additional information please visit http://www.hurricanes.gov/marine $$ MT