000 AXNT20 KNHC 032334 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 PM EDT WED JUN 03 2015 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 2330 UTC. ...TROPICAL WAVES... A TROPICAL WAVE CONTINUES OVER THE EASTERN TROPICAL ATLANTIC EXTENDING FROM 12N23W TO 05N23W...MOVING W AT 15 KT. SSMI TPW IMAGERY DEPICTS A MOIST ENVIRONMENT SURROUNDING THIS WAVE. SCATTERED MODERATE CONVECTION IS OBSERVED FROM 05N-09N BETWEEN 20W-25W. A TROPICAL WAVE IS OVER THE CENTRAL TROPICAL ATLANTIC EXTENDING ACROSS AND N OF SURINAME FROM 10N55W TO 04N55W. THIS FEATURE IS MOVING W AT AROUND 15 KT. DESPITE THE MODERATE CONCENTRATION OF MOISTURE PRESENT IN THE VICINITY OF THIS WAVE...A STRONG DEEP LAYER WIND SHEAR IS ALSO PRESENT WHICH IS INHIBITING CONVECTION. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM THE COAST OF AFRICA NEAR 11N15W TO 09N18W. THE ITCZ BEGINS W OF A TROPICAL WAVE NEAR 05N25W TO 01N41W. ISOLATED MODERATE CONVECTION IS FROM 04N-09N BETWEEN 25W- 32W. ...DISCUSSION... ...GULF OF MEXICO... A MID TO UPPER-LEVEL TROUGH CONTINUES OVER SE U.S. WITH AXIS EXTENDING THROUGH THE E GULF ALONG 83W. ISOLATED CONVECTION IS DEVELOPING E OF THE TROUGH AXIS ACROSS THE FLORIDA STRAITS AND MORE SIGNIFICANT CONVECTION ACROSS THE W ATLANTIC AND W CARIBBEAN. TO THE W...A 1014 MB SURFACE HIGH PREVAILS CENTERED NEAR 27N92W. THE OUTER BANDS OF HURRICANE BLANCA ARE MOVING E REACHING THE GULF OF CAMPECHE. WATER VAPOR IMAGERY SHOWS SUBSIDENCE PREVAILING ELSEWHERE ACROSS THE BASIN SUPPORTING FAIR WEATHER. A LIGHT ANTICYCLONIC FLOW IS DEPICTED IN SCATTEROMETER DATA W OF 87W WHILE A LIGHT EASTERLY FLOW IS OBSERVED ELSEWHERE. OVER THE NEXT 24 HOURS...EXPECT FOR THE UPPER LEVEL TROUGH TO MOVE E ENHANCING CONVECTION E OF ITS AXIS. ...CARIBBEAN SEA... THE UPPER-LEVEL TROUGH DISCUSSED ABOVE IS ALSO REACHING THE W CARIBBEAN WITH AXIS ALONG 83W. SCATTERED MODERATE TO STRONG CONVECTION REMAINS E OF THE TROUGH AXIS BETWEEN 75W-82W AND N OF 16N AFFECTING THE NW CARIBBEAN WATERS AND PORTIONS OF E CUBA AND JAMAICA. A WEAK SURFACE LOW IS OBSERVED OVER THE W CARIBBEAN CENTERED NEAR 20N84W WITH A SURFACE TROUGH EXTENDING FROM 24N81W TO 17N86W. A STRONG DEEP LAYER WIND SHEAR PREVAILS ACROSS THE E CARIBBEAN INHIBITING SIGNIFICANT CONVECTION. GENTLE TO MODERATE TRADES ARE DEPICTED IN SCATTEROMETER DATA ACROSS THE BASIN EXCEPT S OF 14N BETWEEN 66W-74W WHERE MODERATE TO FRESH WINDS PREVAIL. OVER THE NEXT 24 HOURS...EXPECT FOR THE UPPER LEVEL TROUGH TO CONTINUE MOVING E ENHANCING CONVECTION ACROSS THE N- CENTRAL CARIBBEAN. ...HISPANIOLA... SCATTERED MODERATE CONVECTION IS OBSERVED OVER THE CENTRAL PORTION OF THE ISLAND THIS EVENING. EXPECT RAIN CHANCES TO INCREASE WITHIN THE NEXT 24 HOURS AS AN UPPER LEVEL TROUGH APPROACHES THE AREA. ...ATLANTIC OCEAN... AN UPPER LEVEL TROUGH PREVAILS ACROSS THE SE CONUS. SCATTERED MODERATE TO STRONG CONVECTION IS OBSERVED E OF THE TROUGH AXIS AFFECTING THE W ATLANTIC WATERS AND THE BAHAMAS BETWEEN 72W-78W. TO THE E...AN UPPER-LEVEL LOW CENTERED NEAR 28N60W SUPPORTS A SURFACE TROUGH THAT EXTENDS FROM 25N61W TO 21N62W. SCATTERED LIGHT TO MODERATE CONVECTION IS OBSERVED FROM 21N-28N BETWEEN 51W-59W. THE REMAINDER OF THE BASIN IS DOMINATED BY A BROAD 1029 MB SURFACE HIGH CENTERED NEAR 34N44W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ ERA