000 AXNT20 KNHC 031043 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 AM EDT FRI APR 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1030 UTC. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS ACROSS AFRICA INTO THE TROPICAL ATLANTIC NEAR 06N10W TO 03N13W. THE ITCZ EXTENDS FROM 03N13W TO 02S25W TO THE COAST OF SOUTH AMERICA NEAR 05S37W. SCATTERED MODERATE CONVECTION IS FROM 01N-03S BETWEEN 12W-35W. ...DISCUSSION... GULF OF MEXICO... A 1029 MB SURFACE HIGH IS CENTERED OVER THE W ATLANTIC NEAR 34N64W WITH ITS RIDGE AXIS EXTENDING W ACROSS THE GULF SUPPORTING FAIR WEATHER ACROSS THE AREA. LATEST OBSERVATIONS AND SATELLITE IMAGERY DEPICTS FOG OVER THE NW GULF W OF 94W AND N OF 26N. THIS FOG WILL DISSIPATE AS THE DAY PROGRESSES. SLIGHT TO GENTLE ANTICYCLONIC FLOW PREVAILS ACROSS THE BASIN. THESE WEATHER CONDITIONS WILL CONTINUE OVER THE NEXT 24 HOURS. IN 48 HOURS...A COLD FRONT WILL APPROACH THE NORTHERN HALF OF THE BASIN WITH CONVECTION. CARIBBEAN SEA... THE SURFACE HIGH PRESSURE OVER THE W ATLANTIC ALSO EXTENDS S REACHING THE CARIBBEAN SUPPORTING FAIR WEATHER MAINLY ACROSS THE W HALF OF THE BASIN. TO THE E...SCATTERED MODERATE CONVECTION IS OBSERVED OVER HISPANIOLA...PUERTO RICO AND THE LESSER ANTILLES. GENTLE TO MODERATE TRADES PREVAIL ACROSS THE MAJORITY OF THE BASIN EXCEPT TWO AREAS. ONE IS W OF 78W AND N OF 17N...WHERE SCATTEROMETER DATA DEPICTS A SLIGHT TO GENTLE EASTERLY FLOW. THE OTHER AREA IS N OF COLOMBIA S OF 13N BETWEEN 74W-78W...WHERE OBSERVATIONS DEPICT A MODERATE TO FRESH NORTH-EASTERLY FLOW. OVER THE NEXT 24-48 HOURS...EXPECT SIMILAR WEATHER CONDITIONS TO PREVAIL ACROSS THE BASIN. HISPANIOLA... SCATTERED SHOWERS CONTINUE MOVING OVER THE ISLAND. THIS ACTIVITY IS EXPECTED TO CONTINUE FOR ANOTHER 24 HOURS. ATLANTIC OCEAN... A 1029 MB SURFACE HIGH EXTENDS ACROSS THE W ATLANTIC WITH CENTER NEAR 34N64W SUPPORTING FAIR WEATHER. TO THE E...AN UPPER-LEVEL TROUGH SUPPORTS A COLD FRONT THAT EXTENDS FROM 31N47W TO 25N53W TO 23N67W. SCATTERED MODERATE CONVECTION IS N OF 28N BETWEEN 45W- 52W. ANOTHER SURFACE HIGH PRESSURE PREVAILS ACROSS THE E ATLANTIC WITH FAIR WEATHER. OVER THE NEXT 24-48 HOURS...THE COLD FRONT WILL CONTINUE MOVING E ACROSS THE BASIN WITH CONVECTION. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ ERA