000 AXNT20 KNHC 111142 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 AM EDT WED APR 11 2012 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. ...THE ITCZ/THE MONSOON TROUGH... THE MONSOON TROUGH PASSES THROUGH THE COASTAL BORDER AREA OF GUINEA NEAR 10N14W TO 3N17W AND 1N27W. THE ITCZ CONTINUES FROM 1N27W...TO 2N33W...CROSSING THE EQUATOR ALONG 35W...TO 2S38W. SCATTERED STRONG CONVECTIVE PRECIPITATION TO THE SOUTH OF 7N TO THE EAST OF 22W...AND FROM 5N TO 7N BETWEEN 51W AND 57W. ISOLATED MODERATE CONVECTIVE PRECIPITATION IS ELSEWHERE TO THE SOUTH OF 10N TO THE EAST OF 60W. ...DISCUSSION... THE GULF OF MEXICO... AN UPPER LEVEL TROUGH IS MOVING ACROSS 75W/76W IN THE ATLANTIC OCEAN...FROM 32N TO THE BAHAMAS AND CUBA. UPPER LEVEL NORTHWESTERLY-TO-WESTERLY WIND FLOW COVERS THE GULF OF MEXICO. THE 26N95W 21N93W SURFACE TROUGH FROM 11/0000 UTC HAS DISSIPATED. LITTLE TO NO PRECIPITATION IS IN THE AREA. BROAD SURFACE ANTICYCLONIC WIND FLOW COVERS THE GULF OF MEXICO. THE ANTICYCLONIC SURFACE WIND FLOW MOVES AROUND A 1020 MB HIGH PRESSURE CENTER THAT IS OFF THE SOUTH CENTRAL LOUISIANA COAST NEAR 28N91W. NO SUSTAINED 20 KNOT WIND CONDITIONS ARE FORECAST FOR THE NEXT 24 HOURS. PLEASE REFER TO THE MIAOFFNT4 AND MIAHSFAT2 BULLETINS FOR MORE DETAILS. THE CARIBBEAN SEA... A SURFACE TROUGH EXTENDS FROM THE SOUTH CENTRAL HISPANIOLA... THROUGH 20N70W...TO 25N66W IN THE ATLANTIC OCEAN. BROKEN TO OVERCAST MULTILAYERED CLOUDS AND ISOLATED MODERATE CONVECTIVE PRECIPITATION ARE WITHIN 120 TO 180 NM ON EITHER SIDE OF 28N57W 24N65W 21N68W 20N76W IN SOUTHEASTERN CUBA. RAINSHOWERS ARE POSSIBLE ALSO TO THE NORTH OF 18N BETWEEN 64W AND 80W. PARTS OF THE ATLANTIC OCEAN AND THE NORTH CENTRAL CARIBBEAN SEA...THE GREATER ANTILLES...ARE COVERED BY THIS FEATURE. BROAD SURFACE LOW PRESSURE COVERS THE AREA THAT IS TO THE SOUTH OF 17N. SURFACE NORTH-TO-NORTHEASTERLY WIND FLOW THAT IS OCCURRING TO THE WEST OF 80W APPEARS TO BE PUSHING SOME AMOUNTS OF CLOUDS AND POSSIBLE PRECIPITATION ONSHORE FROM NICARAGUA TO HONDURAS. NO SUSTAINED 20 KNOT WIND CONDITIONS ARE FORECAST FOR THE NEXT 24 HOURS. PLEASE REFER TO THE MIAOFFNT3 AND MIAHSFAT2 BULLETINS FOR MORE DETAILS. UPPER LEVEL WESTERLY WIND FLOW MOVES THROUGH THE YUCATAN CHANNEL AND ACROSS THE YUCATAN PENINSULA INTO THE NORTHWESTERN CORNER OF THE AREA. UPPER LEVEL SOUTHERLY WIND FLOW MOVES FROM THE EASTERN PACIFIC OCEAN AND SOUTH AMERICA BETWEEN 60W AND 90W...EVENTUALLY CURVING NORTHEASTWARD TO THE WEST OF 70W...AND EASTWARD TO THE EAST OF 70W. RAINSHOWERS ARE POSSIBLE ELSEWHERE TO THE EAST OF 70W. THE ATLANTIC OCEAN... AN UPPER LEVEL TROUGH IS MOVING ACROSS 75W/76W IN THE ATLANTIC OCEAN...FROM 32N TO THE BAHAMAS AND CUBA. THIS TROUGH SUPPORTS A COLD FRONT THAT IS SINKING SOUTHWARD ALONG THE U.S.A. EAST COAST. THE COLD FRONT CURRENTLY CUTS ACROSS CENTRAL GEORGIA. ISOLATED MODERATE CONVECTIVE PRECIPITATION IS IN THE WATERS FROM 30N TO 33N BETWEEN 74W AND 78W. THE CENTRAL ATLANTIC OCEAN UPPER LEVEL TROUGH THAT HAS BEEN SUPPORTING THE 32N54W 26N57W STATIONARY FRONT FOR THE LAST FEW DAYS APPEARS TO HAVE WEAKENED. IT HAS BEEN OVERTAKEN BY BROAD UPPER LEVEL ANTICYCLONIC WIND FLOW. WIDELY SCATTERED MODERATE CONVECTIVE PRECIPITATION IS TO THE NORTH OF 28N BETWEEN 50W AND 55W. A SURFACE RIDGE PASSES THROUGH 32N58W TO 28N68W TO 27N76W IN THE NORTHERN BAHAMAS. AN UPPER LEVEL TROUGH EXTENDS FROM A 29N18W TO 19N25W AND 15N29W. NO SURFACE FEATURE ACCOMPANIES THE UPPER LEVEL TROUGH. BROAD SURFACE ANTICYCLONIC WIND FLOW COVERS THE ATLANTIC OCEAN TO THE NORTH OF 10N TO THE EAST OF 50W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ MT