000 AXNT20 KNHC 040605 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 205 AM EDT THU JUN 04 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0515 UTC. ...TROPICAL WAVES... AN ATLANTIC OCEAN TROPICAL WAVE IS ALONG 23W/24W FROM 10N SOUTHWARD...MOVING WESTWARD 10 TO 15 KT. CONVECTIVE PRECIPITATION...NEARBY ITCZ-RELATED ISOLATED MODERATE. AN ATLANTIC OCEAN TROPICAL WAVE IS ALONG 55W/56W FROM 10N SOUTHWARD...MOVING WESTWARD 15 KT. CONVECTIVE PRECIPITATION... NEARBY ITCZ-RELATED ISOLATED MODERATE. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH PASSES THROUGH GUINEA NEAR 10N14W TO 7N16W AND 6N21W. THE ITCZ CONTINUES FROM 6N21W TO 5N26W 2N37W... CROSSING THE EQUATOR ALONG 42W...TO 1S43W. CONVECTIVE PRECIPITATION...ISOLATED TO WIDELY SCATTERED STRONG TO THE NORTH AND NORTHEAST OF 9N19W 4N11W 2N5W...TO 4N ALONG THE PRIME MERIDIAN. ISOLATED MODERATE ELSEWHERE FROM 10N SOUTHWARD BETWEEN AFRICA AND SOUTH AMERICA. ...DISCUSSION... ...THE GULF OF MEXICO... A MIDDLE LEVEL TO UPPER LEVEL TROUGH CONTINUES TO SPAN THE SOUTHEASTERN U.S.A. AND FLORIDA...AND THE EASTERN HALF OF THE GULF OF MEXICO. COMPARATIVELY DRIER AIR IN SUBSIDENCE IS APPARENT IN WATER VAPOR SATELLITE IMAGERY...NEARLY EVERYWHERE IN THE GULF OF MEXICO...EXCEPT IN THE STRAITS OF FLORIDA AND IN THE SOUTHWESTERN CORNER OF THE GULF OF MEXICO. AN UPPER LEVEL RIDGE IS ABOUT 480 NM TO THE EAST OF THE TROUGH. CONVECTIVE PRECIPITATION...SCATTERED TO NUMEROUS STRONG IN THE BAHAMAS FROM 22N TO 26N BETWEEN 73W AND 77W. ISOLATED MODERATE INLAND ALONG THE FLORIDA/GEORGIA BORDER. BROKEN TO OVERCAST MULTILAYERED CLOUDINESS AND OTHER POSSIBLE RAINSHOWERS ARE IN THE ATLANTIC OCEAN AND THE STRAITS OF FLORIDA FROM CUBA/20N NORTHWARD BETWEEN 65W AND 80W. BROAD SURFACE ANTICYCLONIC WIND FLOW COVERS THE GULF OF MEXICO. A 1013 MB HIGH PRESSURE CENTER IS NEAR 28N93W IN THE NORTHWESTERN CORNER OF THE AREA. FOR THE OFFSHORE OIL PLATFORM SITES THAT ARE TO THE NORTH OF 27N TO THE WEST OF 88W... LOW LEVEL CLOUD CEILINGS ARE BEING REPORTED AT KVOA...KHQI... AND KEIR. LOW LEVEL CLOUD CEILINGS AND WEATHER...FOR THE COASTAL PLAINS OF THE U.S.A. FROM THE DEEP SOUTH OF TEXAS TO FLORIDA... LOW LEVEL CLOUD CEILNGS ARE BEING REPORTED AT THE NEW ORLEANS INTERNATIONAL AIRPORT...ALONG THE GULF COAST FROM MISSISSIPPI TO ALABAMA...AND FROM PERRY FLORIDA WESTWARD TO THE FLORIDA PANHANDLE. ...THE CARIBBEAN SEA... A SURFACE TROUGH EXTENDS FROM NORTHWESTERN CUBA TOWARD THE GULF OF HONDURAS...IN THE NORTHWESTERN CORNER OF THE AREA. THE TROUGH IS ASSOCIATED WITH WHAT WAS THE NORTHERN PART OF THE TROPICAL WAVE THAT WAS MOVING THROUGH THE WESTERN CARIBBEAN SEA DURING THE LAST 48 HOURS. THE REST OF THE TROPICAL WAVE ALREADY MOVED THROUGH CENTRAL AMERICA. CONVECTIVE PRECIPITATION...SCATTERED TO NUMEROUS MODERATE TO STRONG TO THE SOUTHWEST OF JAMAICA. CONVECTIVE PRECIPITATION...NUMEROUS STRONG LLONG THE WESTERN COAST OF CENTRAL AMERICA...ALONG THE PACIFIC OCEAN SIDE...FROM PANAMA TO GUATEMALA. UPPER LEVEL SOUTHWESTERLY WIND FLOW COVERS THE NORTHWESTERN CORNER OF THE AREA...RELATED TO THE GULF OF MEXICO TROUGH. UPPER LEVEL NORTHWESTERLY WIND FLOW SPANS THE REST OF THE CARIBBEAN SEA. MIDDLE LEVEL EASTERLY WIND FLOW IS MOVING ACROSS THE NORTHEASTERN CORNER OF THE AREA...AND THROUGH THE CENTRAL SECTIONS BETWEEN JAMAICA AND COLOMBIA. BROAD UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE AREA THAT IS FROM 13N SOUTHWARD. SOME OF THE ANTICYCLONIC WIND FLOW EVENTUALLY MERGES WITH THE BROAD NORTHWESTERLY WIND FLOW. ...HISPANIOLA... MIDDLE LEVEL TO UPPER LEVEL NORTHWESTERLY WIND FLOW IS MOVING ACROSS HISPANIOLA. AN UPPER LEVEL RIDGE PASSES THROUGH 32N74W IN THE ATLANTIC OCEAN...ACROSS NORTHWESTERN CUBA...INTO THE NORTHWESTERN CORNER OF THE CARIBBEAN SEA. CLOUD CONDITIONS AND PREVAILING WEATHER...FOR THE DOMINICAN REPUBLIC...FEW LOW LEVEL CLOUDS AND SCATTERED HIGH LEVEL CLOUDS ARE IN SANTO DOMINGO. FEW LOW LEVEL CLOUDS ARE IN LA ROMANA. FEW LOW LEVEL CLOUDS AND SCATTERED MIDDLE LEVEL CLOUDS ARE IN PUNTA CANA. FEW CUMULONIMBUS CLOUDS...SCATTERED LOW LEVEL CLOUDS AND HIGH LEVEL CLOUD CEILING ARE BEING OBSERVED IN SANTIAGO. RAINSHOWERS WITH THUNDER WERE PRESENT IN SANTIAGO DURING THE LAST OBSERVATION. FEW CUMULONIMBUS CLOUDS ARE BEING REPORTED IN PUERTO PLATA. ...THE ATLANTIC OCEAN... A MIDDLE LEVEL TO UPPER LEVEL TROUGH EXTENDS SOUTHEASTWARD... FROM A 26N58W CYCLONIC CIRCULATION CENTER. THE TROUGH IS ABOUT 480 NM TO THE NORTHEAST OF PUERTO RICO. MIDDLE LEVEL TO UPPER LEVEL CYCLONIC WIND FLOW COVERS THE ATLANTIC OCEAN FROM 10N NORTHWARD BETWEEN 45W AND 65W. A SURFACE TROUGH IS ALONG 28N58W 25N61W 22N62W. CONVECTIVE PRECIPITATION...SCATTERED MODERATE TO ISOLATED STRONG FROM 20N TO 27N BETWEEN 53W AND 58W. BROKEN TO OVERCAST MULTILAYERED CLOUDS AND OTHER POSSIBLE RAINSHOWERS COVER THE AREA FROM 15N TO 30N BETWEEN 47W AND 60W. A MIDDLE LEVEL TO UPPER LEVEL TROUGH PASSES THROUGH 32N23W TO 25N29W TO 22N36W. RAINSHOWERS ARE POSSIBLE FROM 24N NORTHWARD BETWEEN 20W AND 30W. SURFACE ANTICYCLONIC WIND FLOW COVERS THE AREA FROM 11N NORTHWARD BETWEEN AFRICA AND 60W. A SURFACE RIDGE EXTENDS FROM A 1030 MB HIGH PRESSURE CENTER THAT IS NEAR 34N44W TO 13N32W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ MT