000 AGXX40 KNHC 130756 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 400 AM EDT WED JUL 13 2011 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... TROPICAL WAVE S OF 22N ALONG 92W BRINGS SCATTERED MODERATE TO STRONG CONVECTION INTO BAY OF CAMPECHE S OF 21N W OF TROUGH AXIS. UPPER LEVEL SUPPORT BECOME LESS FAVORABLE AS WAVE CROSSES SW ZONE TODAY AND DIMINISHING CONVECTION EXPECTED. ELSEWHERE... HIGH PRES OVER NORTHERN GULF ALONG 27N. LIGHT AND VARIABLE WINDS ACROSS NORTHERN HALF OF GULF WITH SLIGHT SEAS 1-2 FT WHILE LIGHT TO MODERATE E-SE WINDS WITH SEAS 2-4 FT SOUTHERN HALF OF BASIN THROUGH SAT. T SOUTHWEST NORTH ATLC... ATLC SURFACE RIDGE CONTINUE TO ENJOY FAVORABLE MID AND UPPER LEVEL SUPPORT WITH DRY AND STABLE AIR MASS ACROSS MOST OF SW N ATLC BASIN. RIDGE HOLDS ITS PLACE THROUGH LATE THU WHEN WEAK LOW PRES CENTER AND ASSOCIATED COLD FRONT BRUSH NE CORNER OF AREA. RIDGE WEAKENS AND ALLOWS FRONT TO SCRAPE NE WITH MODERATE WESTERLIES JUST N OF 29N E OF 68W. BY SAT...RIDGE REBUILDS BACK AND FRONT MOVES N OF AREA. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL WAVE S OF 19N ALONG 62W HAS ISOLATED MODERATE TSTMS ALONG ITS AXIS AND FRESH NE WINDS WITHIN 150 NM W OF IT. WAVE MOVES W INTO CENTRAL CARIBBEAN THU AND INTO WESTERN CARIBBEAN FRI AND SAT. PRESENT AREA OF NUMEROUS STRONG CONVECTION S OF 13N FROM 75W TO 81W IS ASSOCIATED WITH DEVELOPING LOW PRES CENTER 1010 MB OVER PANAMA. E PAC MONSOON TROUGH FORCES LARGE AMOUNT OF WARM MOIST TROPICAL AIR MASS ACROSS GULF OF PANAMA INTO COLLISION COURSE WITH W MOVING TROPICAL WAVE SOMETIME LATE FRI OR SAT. LOW PRES EXPECTED TO MOVE W INTO CENTRAL AMERICA S OF 15N OVER THE WEEKEND WITH COPIOUS RAINFALL OVER MOUNTAIN RANGES WHERE DANGEROUS FLOODING AND MUDSLIDES MAY OCCUR. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES 000 AGXX40 KNHC 130756 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 400 AM EDT WED JUL 13 2011 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... TROPICAL WAVE S OF 22N ALONG 92W BRINGS SCATTERED MODERATE TO STRONG CONVECTION INTO BAY OF CAMPECHE S OF 21N W OF TROUGH AXIS. UPPER LEVEL SUPPORT BECOME LESS FAVORABLE AS WAVE CROSSES SW ZONE TODAY AND DIMINISHING CONVECTION EXPECTED. ELSEWHERE... HIGH PRES OVER NORTHERN GULF ALONG 27N. LIGHT AND VARIABLE WINDS ACROSS NORTHERN HALF OF GULF WITH SLIGHT SEAS 1-2 FT WHILE LIGHT TO MODERATE E-SE WINDS WITH SEAS 2-4 FT SOUTHERN HALF OF BASIN THROUGH SAT. T SOUTHWEST NORTH ATLC... ATLC SURFACE RIDGE CONTINUE TO ENJOY FAVORABLE MID AND UPPER LEVEL SUPPORT WITH DRY AND STABLE AIR MASS ACROSS MOST OF SW N ATLC BASIN. RIDGE HOLDS ITS PLACE THROUGH LATE THU WHEN WEAK LOW PRES CENTER AND ASSOCIATED COLD FRONT BRUSH NE CORNER OF AREA. RIDGE WEAKENS AND ALLOWS FRONT TO SCRAPE NE WITH MODERATE WESTERLIES JUST N OF 29N E OF 68W. BY SAT...RIDGE REBUILDS BACK AND FRONT MOVES N OF AREA. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL WAVE S OF 19N ALONG 62W HAS ISOLATED MODERATE TSTMS ALONG ITS AXIS AND FRESH NE WINDS WITHIN 150 NM W OF IT. WAVE MOVES W INTO CENTRAL CARIBBEAN THU AND INTO WESTERN CARIBBEAN FRI AND SAT. PRESENT AREA OF NUMEROUS STRONG CONVECTION S OF 13N FROM 75W TO 81W IS ASSOCIATED WITH DEVELOPING LOW PRES CENTER 1010 MB OVER PANAMA. E PAC MONSOON TROUGH FORCES LARGE AMOUNT OF WARM MOIST TROPICAL AIR MASS ACROSS GULF OF PANAMA INTO COLLISION COURSE WITH W MOVING TROPICAL WAVE SOMETIME LATE FRI OR SAT. LOW PRES EXPECTED TO MOVE W INTO CENTRAL AMERICA S OF 15N OVER THE WEEKEND WITH COPIOUS RAINFALL OVER MOUNTAIN RANGES WHERE DANGEROUS FLOODING AND MUDSLIDES MAY OCCUR. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES