000 AXNT20 KNHC 082330 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 PM EDT FRI APR 08 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2315 UTC. ...SPECIAL FEATURES... CARIBBEAN GALE WARNING...1004 MB LOW PRESSURE CENTER OVER NORTHERN COLOMBIA COMBINED WITH HIGH PRESSURE RIDGING NE OF THE AREA WILL SUPPORT INCREASING WINDS TO GALE FORCE NW OF THE COAST OF COLOMBIA BY LATE SAT NIGHT INTO EARLY SUN...DUE TO THE TIGHT PRESSURE GRADIENT. WINDS WILL DIMINISH DURING SUN AFTERNOON WITH ANOTHER SURGE OF GALE FORCE WINDS EXPECTED SUN NIGHT INTO EARLY MON. SEAS WILL BUILD TO 8-11 FT DURING THE GALE FORCE WINDS. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS ACROSS AFRICA INTO THE E TROPICAL ATLC NEAR 10N14W TO 01N22W. THE INTERTROPICAL CONVERGENCE ZONE AXIS EXTENDS FROM 01N22W TO THE EQUATOR AT 26W. SCATTERED MODERATE CONVECTION IS FROM 03N-06N BETWEEN 10W-18W. ...DISCUSSION... GULF OF MEXICO... A COLD FRONT IS DIVING S ACROSS THE GULF EXTENDING FROM NORTHERN FLORIDA FROM NEAR 29N83W TO 27N90W TO THE SE TEXAS COAST NEAR 27N98W. NO SIGNIFICANT CONVECTION IS PRESENT WITH THE FRONT. A HIGH PRESSURE CENTER OVER EASTERN MEXICO EXTENDS A WEAK RIDGE TO THE E ACROSS THE SOUTHERN GULF AHEAD OF THE FRONT. THE RIDGE WILL WEAKEN ALLOWING FOR THE FRONT TO CONTINUE TO THE S-SE MOVING ACROSS THE STRAITS OF FLORIDA BY SUNRISE SAT...PUSHING COMPLETELY SE OF THE BASIN BY SAT EVENING. HIGH PRES RIDGING EXTENDING FROM THE WESTERN ATLC WILL EXTEND ACROSS THE BASIN FOR THE REMAINDER OF THE WEEKEND...ALLOWING FOR SOUTHERLY RETURN FLOW TO DOMINATE THE BASIN. CARIBBEAN SEA... NO SIGNIFICANT SURFACE FEATURES ARE ACROSS THE WATERS. OTHER THAN THE INCREASING WINDS TO GALE FORCE EXPECTED OFFSHORE OF NW COLOMBIA THIS WEEKEND...MODERATE TO FRESH TRADES WILL CONTINUE TO PREVAIL. LITTLE CHANGE IN THESE CONDITIONS IS ANTICIPATED THROUGH THE WEEKEND. HISPANIOLA... ISOLATED SHOWERS ARE POSSIBLE ACROSS THE ISLAND WITH THE COMBINATION OF EASTERLY TRADE WINDS AND DAY TIME HEATING. SHOWERS WILL DISSIPATE LATER THIS EVENING WITH THE LOSS OF DAYTIME HEATING. SIMILAR CONDITIONS ARE EXPECTED FOR SAT AND SAT NIGHT. A FRONT WILL APPROACH HAITI SUN. THIS IS WILL INCREASE THE CHANCE OF SCATTERED SHOWERS SUN AND SUN NIGHT. ATLANTIC OCEAN... A COLD FRONT IN THE NW PORTION EXTENDING FROM 32N76W TO THE NE FLORIDA COAST NEAR JACKSONVILLE WILL CONTINUE TO MOVE SE ACROSS THE SW N ATLC TONIGHT. NO SIGNIFICANT CONVECTION IS PRESENT WITH THE FRONT. THE FRONT WILL QUICKLY REACH FROM 32N69W TO THE CENTRAL BAHAMAS BY SAT AFTERNOON...THEN WILL MERGE WITH AN OLD FRONTAL BOUNDARY AS IT EXTENDS FROM NEAR 32N59W TO 27N63W... WITH THE SOUTHERN PORTION WEAKENING AND BECOMING STATIONARY TO NEAR THE TURKS AND CAICOS. HIGH PRESSURE WILL BUILD IN BEHIND THE FRONT FOR THE END OF THE WEEKEND. A SURFACE TROUGH IS LOCATED TO THE E OF THE FRONT...EXTENDING FROM NEAR 28N56W TO 21N64W WITH SCATTERED SHOWERS AND ISOLATED TSTMS NEAR THE AXIS. THIS TROUGH WILL DISSIPATE TONIGHT. ANOTHER COLD FRONT IS TO THE E...REACHING FROM NEAR 32N51W TO 25N52W. SCATTERED MODERATE CONVECTION CAN BE FOUND WITHIN 300 NM E OF THIS FRONT. THIS FRONT WILL LIFT OFF TO THE NE TONIGHT INTO SAT. OTHERWISE...HIGH PRESSURE RIDGING DOMINATES THE REMAINDER OF THE BASIN WITH LITTLE CHANGE EXPECTED THROUGH SUN AFTERNOON. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ LEWITSKY