000 AXNT20 KNHC 070005 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 PM EDT FRI SEP 06 2013 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2315 UTC. ...SPECIAL FEATURES... TROPICAL DEPRESSION EIGHT IS CENTERED NEAR 22.2N 98.2W AT 06/2100 UTC OR ABOUT 20 MI...30 KM W OF TAMPICO MEXICO MOVING WSW AT 5 KT. THE MINIMUM CENTRAL PRESSURE IS 1009 MB. THE MAXIMUM SUSTAINED WIND SPEED IS 30 KT WITH GUSTS TO 40 KT. THE LATEST INTERMEDIATE PUBLIC ADVISORY UNDER AWIPS/WMO HEADERS MIATCPAT3/WTNT33 KNHC AND THE FULL FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMAT3/WTNT23 KNHC FOR MORE DETAILS. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS FROM 18N-28N BETWEEN 95W-100W. ...TROPICAL WAVES... AN ATLANTIC OCEAN TROPICAL WAVE EXTENDS FROM 19N34W TO A 1010 MB LOW AT 14N35W TO 7N35W MOVING W AT 5 KT. DEVELOPMENT OF THIS SYSTEM DURING THE NEXT 48 HOURS...IF ANY...IS EXPECTED TO BE SLOW TO OCCUR DUE TO UNFAVORABLE UPPER-LEVEL WINDS. PRESENTLY SCATTERED SHOWERS ARE WITHIN 120 NM OF THE WAVE AXIS. A CENTRAL CARIBBEAN SEA TROPICAL WAVE EXTENDS FROM 16N77W TO 8N77W MOVING W AT 15 KT. PRESENTLY ISOLATED MODERATE CONVECTION IS WITHIN 120 NM OF THE WAVE AXIS. A W CARIBBEAN SEA TROPICAL WAVE IS EXTENDS FROM 18N85W TO 10N85W MOVING W AT 10 KT. PRESENTLY SCATTERED SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS WITHIN 120 NM OF THE WAVE AXIS ESPECIALLY OVER E HONDURAS AND NICARAGUA. ...THE ITCZ/THE MONSOON TROUGH... THE MONSOON TROUGH PASSES THROUGH COASTAL GUINEA-BISSAU NEAR 12N16W TO 12N20W TO 16N29W TO 14N35W TO 8N41W. THE ITCZ CONTINUES FROM 8N41W TO 8N50W TO 10N60W. SCATTERED MODERATE CONVECTION IS FROM 8N-12N BETWEEN 18W-22W. ...DISCUSSION... THE GULF OF MEXICO... T.D. EIGHT IS NEAR TAMPICO MEXICO MOVING INLAND. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS OVER MEXICO AND THE W GULF FROM 18N-28N BETWEEN 95W-100W. SEE ABOVE. A SURFACE TROUGH IS OVER N FLORIDA AND THE NE GULF FROM 30N80W TO 28N86W. SCATTERED MODERATE CONVECTION IS INLAND FROM 29N-31N E OF 98W. MORE SCATTERED MODERATE CONVECTION IS INLAND OVER MOST OF FLORIDA E OF 84W AND N OF 24N. SCATTERED MODERATE CONVECTION IS ALSO OVER W CUBA AND THE YUCATAN PENINSULA. IN THE UPPER LEVELS...UPPER LEVEL RIDGING IS OVER THE W GULF. THE BASE OF AN UPPER LEVEL TROUGH IS OVER N FLORIDA. CONSIDERABLE UPPER LEVEL MOISTURE IS NOTED OVER THE ENTIRE GULF. EXPECT CONVECTION TO SHIFT FROM N FLORIDA TO S FLORIDA OVER THE NEXT 24 HOURS. ALSO EXPECT T.D. EIGHT TO CONTINUE TO MOVE INLAND...AND A CONSIDERABLE AMOUNT OF CONVECTION TO REMAIN OVER THE W GULF. THE CARIBBEAN SEA... THE 1010 MB REMNANT LOW OF GABRIELLE IS N OF THE DOMINICAN REPUBLIC NEAR 20N69W. SCATTERED MODERATE CONVECTION IS FROM 16N- 20N BETWEEN 68W-73W TO INCLUDE MOST OF HISPANIOLA. TWO TROPICAL WAVES ARE OVER THE CARIBBEAN SEA. SEE ABOVE. A MONSOON TROUGH EXTENDS FROM N COLOMBIA TO COSTA RICA. SCATTERED MODERATE CONVECTION IS S OF 12N BETWEEN 79W-84W. IN THE UPPER LEVELS AN UPPER LEVEL HIGH IS CENTERED OVER THE CENTRAL CARIBBEAN NEAR 17N70W. CONSIDERABLE UPPER LEVEL MOISTURE IS NOTED OVER THE ENTIRE CARIBBEAN AND CENTRAL AMERICA. EXPECT OVER THE NEXT 24 HOURS FOR THE REMNANTS OF GABRIELLE TO MOVE SLOWLY N... WHILE THE TROPICAL WAVES MOVE W. HISPANIOLA... THE 1010 MB REMNANT LOW OF GABRIELLE IS PRODUCING CONVECTION OVER HISPANIOLA AND WILL CONTINUE TO DO SO FOR THE NEXT 24 HOURS. THE ATLANTIC OCEAN... SCATTERED MODERATE CONVECTION IS ALONG THE COAST OF N FLORIDA NEAR JACKSONVILLE FROM 28N-31N BETWEEN 76W-80W DUE TO A SURFACE TROUGH. FURTHER E... A SURFACE TROUGH IS EXTENDS NE FROM THE 1010 MB REMNANT LOW OF GABRIELLE AT 20N69W TO 24N68W TO 30N66W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS E OF THE TROUGH AXIS FROM 20N-29N BETWEEN 61W-68W. A 1024 HIGH IS CENTERED OVER THE CENTRAL ATLANTIC NEAR 34N47W. ANOTHER SURFACE HIGH IS NEAR THE AZORES AT 41N30W. AN UPPER LEVEL LOW IS CENTERED NEAR 29N54W PRODUCING SCATTERED MODERATE CONVECTION FROM 28N-35N BETWEEN 47W-59W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA