000 AXNT20 KNHC 170629 RRA TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 205 AM EDT TUE APR 17 2007 TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA... CENTRAL AMERICA...THE GULF OF MEXICO...THE CARIBBEAN SEA... NORTHEASTERN SECTIONS OF SOUTH AMERICA...AND THE ATLANTIC OCEAN TO THE AFRICAN COAST FROM THE EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED ON SATELLITE IMAGERY...METEOROLOGICAL ANALYSIS...WEATHER OBSERVATIONS...AND RADAR. BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0345 UTC. ...THE ITCZ... 8N11W 4N20W 2N30W...CROSSING THE EQUATOR AT 36W...TO 4S46W IN NORTHEASTERN BRAZIL. ISOLATED MODERATE SHOWERS ARE SOUTH OF 8N EAST OF 35W...AND SOUTH OF 6N BETWEEN 40W AND 52W. ...DISCUSSION... THE GULF OF MEXICO... UPPER LEVEL ANTICYCLONIC WIND FLOW NOW COVERS THE GULF WATERS IN THE WAKE OF THE DEEP LAYER TROUGH THAT BROUGHT THE GULF OF MEXICO AREA AND NOW THE NORTHWESTERN CARIBBEAN SEA THE COLD FRONT OF THE LAST 24 TO 48 HOURS. ANOTHER MIDDLE TO UPPER LEVEL TROUGH IS DEVELOPING IN NORTH CENTRAL NEW MEXICO. A 1021 MB HIGH PRESSURE CENTER IS IN THE NORTH CENTRAL GULF OF MEXICO NEAR 28N90W. THE NEXT LOW PRESSURE CENTER AND ACCOMPANYING TROUGH MOVE FROM THE NORTHWESTERN CORNER OF THE AREA STRAIGHT EASTWARD TO THE NORTHEASTERN CORNER OF THE AREA...AND THEN OVER FLORIDA TOWARD THE ATLANTIC OCEAN...DURING THE NEXT 72 HOURS. THE CARIBBEAN SEA... BROAD MIDDLE TO UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE ENTIRE AREA...WITH AN ANTICYCLONIC CIRCULATION CENTER NEAR 14N73W. MIDDLE TO UPPER LEVEL DRY AIR/SUBSIDENCE IS EVERYWHERE. A STATIONARY FRONT EXTENDS FROM THE SOUTHEASTERN CUBA COAST NEAR 20N77W TO 19N80W TO EASTERN HONDURAS NEAR 14N85W. THE ATLANTIC OCEAN... DEEP LAYER CYCLONIC FLOW COVERS THE AREA NORTH OF 20N WEST OF 60W. THE CYCLONIC CIRCULATION CENTER ON WATER VAPOR SATELLITE IMAGERY IS NEAR 39N74W. A COLD FRONT STILL IS BEING DRIVEN BY THIS DEEP LAYER SYSTEM...THROUGH 32N61W TO 26N65W 22N70W 20N77W AT THE SOUTHEASTERN CUBA COAST. ISOLATED MODERATE SHOWERS ARE WITHIN 60 TO 75 NM ON EITHER SIDE OF 25N64W 29N59W BEYOND 32N57W. HIGH CLOUDS ARE NORTH OF 25N BETWEEN 46W AND 60W. AN UPPER LEVEL RIDGE IS IMMEDIATELY TO THE EAST OF THE DEEP LAYER U.S.A. EAST COAST TROUGH. UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE ATLANTIC OCEAN NORTH OF 20N BETWEEN 40W AND 60W. A DEEP LAYER TROUGH GOES FROM A WATER VAPOR CYCLONIC CIRCULATION CENTER NEAR 39N35W. THIS DEEP LAYER FEATURE IS PROVIDING ENERGY FOR A SURFACE TROUGH THAT GOES FROM 31N32W TO 26N40W AND 23N45W. UPPER LEVEL WESTERLY TO SOUTHWESTERLY WIND BLOWS FROM VENEZUELA AND GUYANA/SURINAME/AND FRENCH GUIANA NORTHEASTWARDD...BEYOND 8N40W...THE CAPE VERDE ISLANDS JUST NORTH OF THE CAPE VERDE ISLANDS. ISOLATED MODERATE SHOWERS ARE IN THE BAND OF BROKEN LOW TO MIDDLE LEVEL CLOUDS...GOING THROUGH 24N40W FOR EXAMPLE... ASSOCIATED WITH THE LINE OF CLOUDS AND SURFACE TROUGH. $$ MT