000 AXNT20 KNHC 080605 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 205 AM EDT Fri Sep 8 2017 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. ...SPECIAL FEATURES... The center of Hurricane Irma, at 08/0600 UTC is near 21.3N 72.4W, or about 45 nm to the ENE of Great Inagua Island, and about 510 nm to the ESE of Miami in Florida. Irma is moving WNW, 290 degrees, 14 knots. The estimated minimum central pressure is 920 mb. The maximum sustained wind speeds are 145 kt with gusts to 175 kt. Convective precipitation: numerous strong within 120 nm of the center in the S semicircle, and within 90 nm of the center in the N semicircle. Widely scattered moderate to isolated strong elsewhere from 17N to 27N between 65W and 77W. Please read the latest NHC Intermediate Public Advisory under AWIPS/WMO headers MIATCPAT1/WTNT31 KNHC and, the Forecast/ Advisory under AWIPS/WMO headers MIATCMAT1/WTNT21 KNHC for more details. The center of Hurricane Jose, at 08/0300 UTC is near 15.6N 53.9W, or about 1100 nm ESE of Hurricane Irma. Jose is moving W, 280 degrees, 16 knots. The estimated minimum central pressure is 966 mb. The maximum sustained wind speeds are 105 kt with gusts to 130 kt. Convective precipitation: numerous strong within 90 nm of the center from NE to S, and within 30 nm to 60 nm of the center elsewhere. isolated moderate to locally strong from 12N to 24N between 47W and 60W. Please read the latest NHC Intermediate Public Advisory under AWIPS/WMO headers MIATCPAT2/WTNT32 KNHC and, the Forecast/Advisory under AWIPS/WMO headers MIATCMAT2/WTNT22 KNHC for more details. The center of Hurricane Katia, at 08/0600 UTC, is in the SW corner of the Gulf of Mexico near 21.5N 95.1W, or about 150 nm NNE of Veracruz in Mexico, or 160 nm ESE of Tampico, Mexico. Katia is moving W, 265 degrees, 3 knots. The estimated minimum central pressure is 982 mb. The maximum sustained wind speeds are 75 kt with gusts to 90 kt. Convective precipitation: scattered to numerous strong from 20N to 23N between 94W and 97W. isolated moderate to locally strong elsewhere from 24N southward, including in interior sections of Mexico and in the Gulf of Mexico, between 89W and 99W in the coastal plains of Mexico. Please read the latest NHC Intermediate Public Advisory under AWIPS/WMO headers MIATCPAT3/WTNT33 KNHC and, the Forecast/Advisory under AWIPS/WMO headers MIATCMAT3/WTNT23 KNHC for more details. ...TROPICAL WAVES... An Atlantic Ocean tropical wave is along 14N34W, to a 1011 mb low pressure center that is near 09N37W, to 05N39W. The wave is moving westward 10 to 15 knots. Convective precipitation: isolated moderate to locally strong from 07N to 14N between 34W and 40W. ...ITCZ/MONSOON TROUGH... The monsoon trough passes through 14N17W at the coast of Senegal, to 12N20W, 10N30W, and to 07N41W. The ITCZ continues from 07N41W to 07N46W and 08N49W. Convective precipitation: scattered moderate to isolated strong from 05N to 08N between 14W and 29W. isolated moderate to locally strong elsewhere from 14N southward from 60W eastward. ...DISCUSSION... ...THE GULF OF MEXICO... Hurricane Katia is in the SW corner of the area. Please read the SPECIAL FEATURES section for more information. Upper level anticyclonic wind flow, and multilayered clouds and isolated moderate to locally strong convective precipitation are elsewhere in the area, away from Hurricane Katia, to the NE of the line that runs from 24N98W to 26N90W beyond 30N81W. A cold front passes through 32N75W in the Atlantic Ocean, to the Florida east coast near 29N81W, to 28N85W in the Gulf of Mexico. A stationary front continues from 28N85W to 27N90W and 25N94W. ...THE CARIBBEAN SEA... Hurricane Irma is passing through the SE part of the Bahamas at this moment. Irma is forecast to move along the northern coastal waters of Cuba through Saturday. An upper level cyclonic circulation center is near 19N83W to the south of Jamaica. Upper level cyclonic wind flow covers the area that is from 80W westward. The N central part of the Caribbean Sea is being affected by the circulation that encompasses Hurricane Irma. The monsoon trough is along 10N from 74W in Colombia beyond N Costa Rica. Convective precipitation: rainshowers are possible from 13N southward from 73W westward. ...HISPANIOLA... Hurricane Irma is passing through the SE part of the Bahamas at this moment. Hispaniola still is under the influence of Hurricane Irma, from the surface into the upper levels of the atmosphere. Scattered moderate to widely scattered strong rainshowers and thunderstorms cover the island from 70W westward. ...THE ATLANTIC OCEAN... Please read the SPECIAL FEATURES section, for information about Hurricane Irma, and Hurricane Jose. Upper level SW wind flow, and isolated moderate to locally strong convective precipitation, are to the NW of the line 26N80W beyond 32N67W. A cold front passes through 32N75W in the Atlantic Ocean, to the Florida east coast near 29N81W, to 28N85W in the Gulf of Mexico. An upper level trough passes through a 34N38W cyclonic circulation center, to 29N40W, and to 24N42W. Convective precipitation: isolated moderate to locally strong within 180 nm on either side of 37N36W 33N38W 29N44W. Rainshowers are possible also elsewhere from 20N northward from 40W westward. An upper level trough extends from a 26N20W cyclonic circulation center, to 21N22W, and 15N28W. No significant deep convective precipitation is apparent. Surface anticyclonic wind flow covers the Atlantic Ocean from 22N northward between Africa and 60W. For additional information please visit http://www.hurricanes.gov/marine $$ MT