000 AXNT20 KNHC 251035 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 AM EDT SAT APR 25 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 1015 UTC. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS ACROSS AFRICA INTO THE TROPICAL ATLC NEAR 11N16W ALONG 7N17W TO 5N21W WHERE THE ITCZ BEGINS AND CONTINUES ALONG 2N29W THEN S OF THE EQUATOR NEAR 36W. SCATTERED MODERATE/STRONG CONVECTION IS FROM THE EQUATOR TO 2N W OF 47W TO INLAND OVER SOUTH AMERICA. CLUSTERS OF SCATTERED MODERATE CONVECTION ARE FROM 6N TO S OF THE EQUATOR BETWEEN 3W-23W AND FROM 2N TO S OF THE EQUATOR BETWEEN 37W-47W. ...DISCUSSION... GULF OF MEXICO... A BROAD UPPER RIDGE IS ANCHORED IN THE NW CARIBBEAN COVERS THE GULF OF MEXICO AND THE E CONUS INTO THE W ATLC. SCATTERED SHOWERS/ISOLATED THUNDERSTORMS ARE OVER THE W GULF W OF LINE FROM VERMILION BAY LOUISIANA ALONG 26N94W TO TAMPICO MEXICO. THE REMAINDER OF THE GULF IS UNDER MOSTLY CLEAR SKIES THIS MORNING WITH SOME PATCHY FOG STILL BEING REPORTED OVER THE NW GULF. A WEAK ATLC SURFACE RIDGE WILL EXTEND W OVER THE GULF TODAY THROUGH SUN NIGHT. A NEW COLD FRONT WILL DIP INTO THE N GULF MON MORNING AND STALL ALONG 28N BEFORE RETREATING AS A WARM FRONT OVERNIGHT MON NIGHT. CARIBBEAN SEA... THE BROAD UPPER RIDGE IS ANCHORED IN THE NW CARIBBEAN NEAR 17N82W COVERING THE ENTIRE BASIN AND EXTENDING OVER THE GULF OF MEXICO AND THE W ATLC. SATELLITE WATER VAPOR IMAGERY CONTINUES TO SHOW STRONG SUBSIDENCE AND DRY STABLE AIR ACROSS THE BASIN THIS MORNING. LINGERING ISOLATED SHOWERS REMAIN OVER HISPANIOLA AND THE LEEWARD ISLANDS LEAVING THE REMAINDER OF THE CARIBBEAN WITH MOSTLY CLEAR SKIES AGAIN THIS MORNING. FRESH TO LOCALLY STRONG TRADE WINDS WILL DEVELOP EACH NIGHT OFFSHORE OF THE GULF OF HONDURAS THROUGH MON. FRESH TO STRONG TRADE WINDS ALONG THE COAST OF COLOMBIA WILL DIMINISH TONIGHT. HISPANIOLA... ISOLATED SHOWERS REMAIN OVER THE EXTREME SW DOMINICAN REPUBLIC AND SE HAITI S OF 19N BETWEEN 70W-73W. THE DOMINICAN REPUBLIC OFFICE OF METEOROLOGY IS FORECASTING HIGH TEMPERATURES THIS WEEKEND. THESE TEMPERATURES COULD RESULT IN OROGRAPHIC LIFTING IN THE MOUNTAINOUS TERRAIN GIVING THE AREA OF W DOMINICAN REPUBLIC AND E HAITI ISOLATED TO SCATTERED SHOWERS THROUGH THE WEEKEND. ATLANTIC OCEAN... THE UPPER RIDGE ANCHORED IN THE CARIBBEAN EXTENDS OVER THE W ATLC WITH A WEAK SURFACE RIDGE COVERING THE AREA N OF 29N W OF 73W AND ANCHORED BY A 1018 MB HIGH NEAR 32N76W. THE BROAD UPPER TROUGH OVER THE CANADIAN MARITIMES AND INTO THE NW ATLC DIPS SE OVER THE CENTRAL ATLC N OF 22N SUPPORTING A SERIES OF COLD FRONTS. THE LEADING COLD FRONT IS WEAKENING AND EXTENDS FROM A 1008 MB LOW NEAR 32N49W ALONG 26N56W TO 25N67W. SCATTERED SHOWERS ARE FROM 24N-30N BETWEEN 49W-54W. THE SECOND COLD FRONT HAS RETREATED N OF THE DISCUSSION AREA. THE TRAILING FRONT EXTENDS THROUGH 32N60W TO 28N65W WHERE IT DISSIPATES TO 27N72W. SCATTERED SHOWERS/THUNDERSTORMS ARE WITHIN 60 NM OF LINE FROM 28N62W TO BEYOND 32N58W. AN UPPER TROUGH N OF THE E/CENTRAL ATLC IS SUPPORTING A COLD FRONT THAT ENTERS THE E/CENTRAL ATLC NEAR 32N30W AND EXTENDS ALONG 29N35W TO 29N40W WHERE IT CONTINUES AS STATIONARY/WARM FRONT TO THE 1008 MB LOW NEAR 32N49W. THE REMAINDER OF THE ATLC S OF 28N E OF 60W IS DOMINATED BY A SURFACE RIDGE AND ANCHORED BY A 1021 MB HIGH NEAR 24N34W. THE LEADING CENTRAL ATLC COLD FRONT WILL DISSIPATE TODAY. THE TRAILING FRONT WILL SWEEP ACROSS THE N PORTION OF THE DISCUSSION AREA. W ATLC HIGH PRESSURE WILL SHIFT SE TODAY AND TONIGHT. A LOW PRESSURE WILL ORGANIZE N OF THE AREA SUN AND SEND A COLD FRONT INTO W ATLC EARLY MON THAT WILL STRETCH ALONG 27N TUE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ PAW