000 AXNT20 KNHC 231035 RRA TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 805 AM EDT Sat May 23 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. ...TROPICAL WAVES... A tropical wave is along 78W/79W from 20N southward, moving westward at 10 to 15 knots, from SE Cuba southward. The wave is moving toward the area of an upper level trough, with its clouds and precipitation. ...MONSOON TROUGH/ITCZ... The monsoon trough passes through the coastal border sections of Guinea and Sierra Leone near 09N13W to 06N21W. The ITCZ continues from 06N21W to 03N32W, to 02N38W, to the Equator along 41W, and along the Equator to 45W. Precipitation: scattered moderate isolated strong is within 200 nm south of the monsoon trough between the coast of Africa and 14W. Scattered moderate to isolated strong is within 60 nm north of the ITCZ between 26W and 30W. Isolated moderate is elsewhere from 07N southward. GULF OF MEXICO... An upper level trough extends from the upper Texas Gulf coast, across the NW corner of the Yucatan Peninsula, toward Costa Rica. Precipitation: Warming cloud top temperatures, multi- layered convective debris clouds, and lingering isolated moderate rainshowers cover the Yucatan Peninsula and Belize, into the NW part of the Caribbean Sea. S and SE surface wind flow spans the area. A surface ridge passes through 28N73W in the Atlantic Ocean, across Lake Okeechobee in south Florida, into the central Gulf of Mexico. A NE Gulf of Mexico ridge will support moderate to fresh E or SE winds across the basin through Tuesday. CARIBBEAN SEA... An upper level trough extends from the upper Texas coast in the Gulf of Mexico, across the NW corner of the Yucatan Peninsula, to Costa Rica. Precipitation: Warming cloud top temperatures, multilayered convective debris clouds, and lingering isolated moderate rainshowers cover the Yucatan Peninsula and Belize, into the NW part of the Caribbean Sea. Scattered moderate is in the western half of Nicaragua and northern Costa Rica. Isolated moderate to locally strong covers the waters that are from 16N southward and 79W westward. Broken to overcast multi-layered clouds and isolated moderate rainshowers are elsewhere between the line that runs from Guadeloupe to 17N70W to 17N73W to 13N70W, and 80W. Fresh to occasionally strong trade winds will persist in the south central Caribbean Sea through Monday night. A tropical wave along 78W will move across the western Caribbean through Sunday. ATLANTIC OCEAN... An upper level trough is just to the west of a stationary front in the central Atlantic Ocean , which passes through 32N43W, to 24N55W. Precipitation: isolated moderate is within 90 nm on either side of the line that runs from 22N51W to 26N47W, beyond 32N42W. Widely scattered moderate and isolated strong is from 20N to 24N between 59W and 62W, close to the upper level trough. Precipitation: widely scattered to scattered moderate and isolated strong is from 20N to 24N between 59W and 62W, in the area of a mid-level trough and upper level anticyclonic wind flow. Large swell northeast of the Bahamas will subside later today. Gentle to moderate trade winds will prevail across the area through Wednesday. $$ mt/dbm