000 AXNT20 KNHC 111002 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 AM EDT MON APR 11 2016 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 1000 UTC. ...SPECIAL FEATURES... CARIBBEAN GALE WARNING...1008 MB LOW PRESSURE OVER NORTHERN COLOMBIA NEAR 08N75W COMBINED WITH HIGH PRESSURE RIDGING NE OF THE BASIN IS RESULTING IN A TIGHT PRESSURE GRADIENT IN THE SW CARIBBEAN. THIS IS SUPPORTING GALE FORCE WINDS OFFSHORE OF THE NORTHWEST COAST OF COLOMBIA. WINDS WILL DIMINISH BELOW GALE FORCE AT SUNRISE. DURING THE STRONGEST WINDS...SEAS WILL BUILD TO 12 FT. PLEASE REFER TO THE HIGH SEAS FORECAST PRODUCT UNDER AWIPS/WMO HEADER MIAHSFAT2/FZNT02 KNHC. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS ACROSS SIERRA LEONE AFRICA INTO THE E TROPICAL ATLC NEAR 07N12W TO 03N15W. THE INTERTROPICAL CONVERGENCE ZONE AXIS BEGINS NEAR 03N15W AND CONTINUES ALONG 01N24W TO 01S30W TO THE COAST OF NORTHERN BRAZIL NEAR 03S41W. SCATTERED MODERATE CONVECTION IS FROM 01N TO 04N BETWEEN 14W AND 29W AND FROM 05S TO 02N W OF 27W. ...DISCUSSION... GULF OF MEXICO... A 1030 MB HIGH PRESSURE CENTER LOCATED OVER NORTH CAROLINA OFFSHORE WATERS EXTENDS A RIDGE TO THE SW-W ACROSS THE NORTHERN GULF COAST TO NEAR THE BORDER BETWEEN TEXAS AND LOUISIANA. MODERATE TO LOCALLY STRONG SE RETURN FLOW PREVAILS ACROSS THE BASIN UNDER THIS PATTERN...WITH LITTLE CHANGE ANTICIPATED THROUGH TONIGHT. FOR THE OFFSHORE ZONE OF THE NORTHERN AND WESTERN YUCATAN PENINSULA FRESH TO STRONG WINDS WILL HAPPEN DURING THE EVENING AND OVERNIGHT HOURS DURING THE NEXT 2 DAYS. A NEW COLD FRONT WILL MOVE INTO THE NW WATERS TUE MORNING...WEAKENING AS IT ATTEMPTS TO TRANSIT ACROSS THE NORTHERN GULF WATERS THROUGH TUE NIGHT. OTHERWISE...FOG IS BEING REPORTED IN THE FAR NW BASIN N OF 26N W OF 93W. VESSELS TRANSITING NEAR THIS ZONE SHOULD EXERCISE CAUTION AS VISIBILITY MAY BE LESS THAN 3 MILES. CARIBBEAN SEA... THERE IS A GALE FORCE WARNING FOR THE SW CARIBBEAN. SEE SPECIAL FEATURES SECTION FOR DETAILS. THE TAIL END OF A DISSIPATING STATIONARY FRONT IS OVER NORTHERN HAITI ADJACENT WATERS. SHALLOW MOISTURE IN THE VICINITY OF THE FRONT ALONG WITH A DIFFLUENT ENVIRONMENT ALOFT ACROSS THE NORTH-CENTRAL CARIBBEAN SUPPORT SCATTERED TO ISOLATED SHOWERS OVER HAITI AND WESTERN DOMINICAN REPUBLIC. OTHERWISE...MODERATE TO FRESH TRADES WILL PREVAIL THROUGH TUE...EXCEPT ACROSS THE WINDWARD PASSAGE AND IN THE LEE OF EASTERN CUBA WHERE FRESH TO STRONG WINDS ARE POSSIBLE. HISPANIOLA... THE TAIL END OF A DISSIPATING STATIONARY FRONT IS OVER NORTHERN HAITI ADJACENT WATERS. SHALLOW MOISTURE IN THE VICINITY OF THE FRONT ALONG WITH A DIFFLUENT ENVIRONMENT ALOFT ACROSS THE NORTH- CENTRAL CARIBBEAN SUPPORT SCATTERED TO ISOLATED SHOWERS OVER HAITI AND WESTERN DOMINICAN REPUBLIC. FRESH TO STRONG WINDS WILL CONTINUE TO PULSE IN THE WINDWARD PASSAGE AND THE LEE OF EASTERN CUBA EARLY TODAY. CURRENT WEATHER CONDITIONS ARE FORECAST TO PERSIST THROUGH TUE AS THE REMNANTS OF THE FRONT LINGER AND A SURFACE TROUGH APPROACHES THE ISLAND FROM THE EAST. ATLANTIC OCEAN... A STATIONARY FRONT IS OVER THE SW N ATLANTIC FROM 30N58W TO 22N68W WHERE IT STARTS TO DISSIPATE. SCATTERED MODERATE CONVECTION IS N OF 23N WITHIN 60-120 NM EITHER SIDE OF THE FRONT WITH ISOLATED SHOWERS S OF 23N NEAR THE FRONTAL BOUNDARY. THE FRONT WILL CONTINUE TO WEAKEN TODAY AS IT REMAINS NEARLY STATIONARY. THE REMNANTS OF THE FRONT WILL THEN GRADUALLY DEGENERATE INTO A SURFACE TROUGH WHILE DRIFTING W-NW THROUGH TUE AFTERNOON. HIGH PRES RIDGING EXTENDS FROM A 1030 MB HIGH PRESSURE CENTER LOCATED OVER NORTH CAROLINA ADJACENT WATERS TO THE SW N ATLC WATERS W OF THE FRONT WHILE ANOTHER RIDGE ANCHORED BY A 1029 MB HIGH W OF THE AZORES ISLANDS COVERS THE REMAINDER ATLC E OF THE FRONT. THE HIGH PRES CENTER OVER THE W ATLC WILL DRIFT NE AND MERGE WITH THE HIGH W OF THE AZORES EARLY TUE MORNING. RIDGING ASSOCIATED WITH THIS NEW CENTER OF HIGH PRES WILL DOMINATE ACROSS THE ATLC WATERS WHERE LIGHT TO MODERATE TRADES WILL PREVAIL...EXCEPT IN THE VICINITY OF THE FRONT WHERE STRONG WINDS WILL CONTINUE THROUGH EARLY TUE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ RAMOS