000 AXNT20 KNHC 061738 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 205 PM EDT SUN JUN 06 2010 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...METEOROLOGICAL ANALYSIS...WEATHER OBSERVATIONS...AND RADAR. BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1715 UTC... ...TROPICAL WAVES... AN ATLANTIC OCEAN TROPICAL WAVE IS ALONG 32W/34W TO THE SOUTH OF 8N MOVING WESTWARD 10 KT. ANY NEARBY PRECIPITATION IS PART OF THE ITCZ. AN ATLANTIC OCEAN TROPICAL WAVE IS ALONG 8N46W 2N43W MOVING WESTWARD 10 KT. ANY NEARBY PRECIPITATION IS PART OF THE ITCZ. A CARIBBEAN SEA ATLANTIC OCEAN TROPICAL WAVE IS ALONG 62W TO THE SOUTH OF 13N INTO GUYANA MOVING WESTWARD 10 KT. NO PRECIPITATION THAT IS DIRECTLY RELATED TO THIS WAVE IS APPARENT. A SOUTHWESTERN CARIBBEAN SEA TROPICAL WAVE IS ALONG 12N81W... TO PANAMA NEAR 8N81W...TO 5N79W...DRIFTING WESTWARD. STRONG SHOWERS AND THUNDERSTORMS ARE TO THE SOUTH OF 11N BETWEEN 80W AND THE COSTA RICA/NICARAGUA BORDER. ...THE ITCZ... FROM THE SIERRA LEONE COAST NEAR 8N13W TO 6N20W 6N32W 6N37W 5N44W...TO THE NORTHERN COAST OF FRENCH GUIANA NEAR 5N53W... INTO NORTHERN GUYANA NEAR 6N58W. STRONG SHOWERS AND THUNDERSTORMS ARE FROM 6N TO 10N BETWEEN 15W AND 18W... PROBABLY THE NEXT FEATURE THAT WILL APPEAR ON THE MAP AS A TROPICAL WAVE. SCATTERED MODERATE SHOWERS TO ISOLATED STRONG THUNDERSTORMS ARE FROM 3N TO 8N BETWEEN 20W AND 30W... FROM 3N TO 10N BETWEEN 30W AND 40W...AND FROM 4N TO 8N BETWEEN 40W AND 55W. ...DISCUSSION... THE GULF OF MEXICO... A MIDDLE LEVEL TO UPPER LEVEL TROUGH CONTINUES ITS PRESENCE...EXTENDING FROM SOUTH CENTRAL COASTAL LOUISIANA TO A CYCLONIC CIRCULATION CENTER THAT IS NEAR THE LOWER TEXAS COAST...TO MEXICO NEAR ACAPULCO. STRONG SHOWERS AND THUNDERSTORMS ARE FROM 26N TO 28N BETWEEN 90W AND 91W. A SHORTWAVE TROUGH EXTENDS FROM A WEAK CYCLONIC CENTER THAT IS NEAR 31N80W TO NORTHERN FLORIDA...INTO THE NORTH CENTRAL GULF OF MEXICO NEAR 29N88W. SHOWERS AND THUNDERSTORMS ARE FROM 29N TO 31N OVER LAND BETWEEN 80S AND 88W. THE CARIBBEAN SEA... LARGE-SCALE UPPER LEVEL ANTICYCLONIC FLOW COVERS THE CARIBBEAN SEA TO THE WEST OF THE LINE FROM HISPANIOLA TO COSTA RICA. MIDDLE LEVEL TO UPPER LEVEL CYCLONIC FLOW MOVES ACROSS THE AREA TO THE NORTH OF THE LINE FROM EASTERN HISPANIOLA ACROSS AND BEYOND GUADELOUPE. UPPER LEVEL ANTICYCLONIC MOVES FROM VENEZUELA TOWARD THE NORTH AND NORTHEAST ACROSS THE WATERS OF THE EASTERN CARIBBEAN SEA...STAYING ROUGHLY TO THE SOUTH OF 16N BEFORE EXITING THE AREA OVER THE EASTERN CARIBBEAN SEA ISLANDS. SOME OF THE SHOWERS THAT HAVE EITHER DISSIPATED ON THEIR OWN AND/OR MOVED EASTWARD AND DISSIPATED DURING THE LAST SIX HOURS OR SO HAVE BEEN RELATED TO THE ATLANTIC OCEAN TROUGH THAT IS BRINGING THE CYCLONIC FLOW TO THE NORTHEASTERN CORNER OF THE AREA. A SOUTHWESTERN CARIBBEAN SEA TROPICAL WAVE IS ALONG 12N81W...TO PANAMA NEAR 8N81W...TO 5N79W...DRIFTING WESTWARD. STRONG SHOWERS AND THUNDERSTORMS ARE TO THE SOUTH OF 11N BETWEEN 80W AND THE COSTA RICA/NICARAGUA BORDER. THE ATLANTIC OCEAN... ISOLATED MODERATE SHOWERS HAVE FORMED FROM 21N TO 30N BETWEEN 68W AND 70W...NEAR A 28N72W 24N72W 20N74W SURFACE TROUGH. THE UPPER LEVEL FLOW ROUGHLY ALONG 70W FROM 20N TO 30N CONSISTS OF A LINE OF CONFLUENCE...ON THE EASTERN SIDE OF GULF OF MEXICO/ WESTERN ATLANTIC OCEAN/WESTERN CARIBBEAN SEA ANTICYCLONIC FLOW AND ON THE WESTERN SIDE OF ATLANTIC OCEAN CYCLONIC FLOW. BROAD MIDDLE LEVEL TO UPPER LEVEL CYCLONIC FLOW COVERS THE NORTHEASTERN CARIBBEAN SEA AND THE ATLANTIC OCEAN TO THE NORTH OF 16N BETWEEN 40W AND 70W. ONE CYCLONIC CIRCULATION CENTER IN THIS AREA IS NEAR 28N63W. A SECOND CYCLONIC CENTER IS NEAR 21N57W. SHOWERS AND THUNDERSTORMS ARE WITHIN 30 NM ON EITHER SIDE OF 60W FROM 21N TO 24N. A THIRD CYCLONIC CENTER IS NEAR 31N55W. SHOWERS AND THUNDERSTORMS ARE FROM 26N TO 28N BETWEEN 51W AND 54W. SHOWERS ARE POSSIBLE ELSEWHERE FROM 20N TO 30N BETWEEN 50W AND 60W. A FOURTH CYCLONIC CENTER IS NEAR 31N44W. A SURFACE TROUGH IS PART OF THE LARGER-SCALE CYCLONIC FLOW... ALONG 30N54W 25N56W 20N64W. BROAD FLOW FROM THE NORTHEAST...TO THE EAST...AND THEN TO THE SOUTHEAST...COVERS THE ATLANTIC OCEAN TO THE OF 12N BETWEEN AFRICA AND 50W...AROUND A 1030 MB HIGH PRESSURE CENTER THAT IS NEAR 35N37W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ MT