000 AGXX40 KNHC 070524 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 AM EDT FRI SEP 7 2007 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. A STRONG UPPER SHORTWAVE ALONG 50W N OF THE AREA TONIGHT IS PLUNGING SWD AND COULD WORK IT'S WAY S OF 30N AND INTO THE MID LEVEL ATLC RIDGE WHERE IT COULD INTERFERE WITH MOVEMENT OF TRPL WAVES WWD. OTHERWISE A SPRAWLING MID LEVEL RIDGE COVERS THE GULF AND SRN CONUS NE TO THE MID ATLC AREA. CLOSED OF MID LEVEL CYCLONIC CENTER NE OF BAHAMAS. ON THE SURFACE TONIGHT WEAK TRPL WAVES ALONG 47W AND 77W MOVING W 10 TO 15 KT. ATLC RIDGE HIGH CENTER 1023 MB NEAR 25N53W. WEAK 1011 MB LOW CENTER NEAR 28N70W DRIFTING SW. LATER DAY 1 GFS MODEL SHOWS A MID LEVEL VORTICITY CENTER APPROACHING THE LESSER ANTILLES. WATER VAPOR TONIGHT SHOWS A CENTER AT 14N56W WHICH IS EMBEDDED IN A VERY DRY MID LEVEL ATMOSPHERE. CLOSED OFF CYCLONIC CIRCULATION NEAR 42N45W CONTINUES DROPPING SWD AND LOWERING MID LEVEL HEIGHTS S OF 30N E OF 50W. STRONG WLY FLOW ALOFT N OF 36N OVER CONUS BUT HELD N BY A BUBBLE OF HIGH PRES OVER MID ATLC REGION. ON THE SURFACE LATER DAY 1 WEAK LOW NE OF BAHAMAS DRIFTING WWD WITH 20 TO 25 KT N OF 30N OTHERWISE 10 TO 15 KT S OF 30N. LITTLE ELSE GOING ON S OF 30N. ATLC RIDGE E OF 70W ALONG 25N. CARIB WINDS LIGHT TO MODERATE AND GULF MOSTLY LIGHT. FOR DAY 2 LARGE CYCLONIC CIRCULATION CENTER NEAR 40N42W CONTINUES TO SAG SWD AND WORKING IT'S WAY INTO THE ATLC RIDGE BETWEEN 40W AND 55W. INVERTED MID LEVEL TROUGH OVER WRN BAHAMAS DRIFTING WWD. MID LEVEL RIDGE OVER SE CONUS WEAKENING. MID LEVEL VORTICITY MOVING W THROUGH LESSER ANTILLES. ON THE SURFACE DAY 2 WEAK LOW CENTER NEAR 30N76W WITH WINDS TO 20 KT. CARIB WINDS PICK UP A BIT TO 20 KT. GULF WINDS REMAIN LIGHT. ATLC RIDGE RECEDES EWD TO E OF 50W. RIDGE OF HIGH PRES BUILDS SWD ALONG 60W BEHIND A WEAK COLD FRONT MOVING SE TO 31N44W TO 25N52W TO 25N60W. GFS MODEL HINTS AT A TRPL WAVE ALONG 54W. OUTLOOK PERIOD... FOR DAY 3 LARGE CLOSED MID LEVEL CYCLONIC CIRCULATION CENTER NEAR 40N44W WITH TROUGH S TO 27N50W. BUBBLE OF MID LEVEL HIGH PRES CENTERED NEAR 31N70W. WEAK VORT CENTER MOVES TO 15N65W. ON THE SURFACE DAY 3 WEAK TRPL WAVE APPROACHES LESSER ANTILLES. WEAK LOW MOVES NW TOWARD OUTER BANKS WITH WINDS S OF 31N DECREASING. WINDS INCREASE N OF 27N E OF 50W WITH SURFACE LOW PRES BENEATHE MID LEVEL CIRCULATION. FOR DAY 4 UPPER CLOSED LOW BEGINS TO MOVE E AND NE TO 40N42W MAINTAINING TROUGH TO 25N45W. LARGE TROUGH AT MID LEVELS IN WESTERLIES WORKING IT'S WAY INTO CENTRAL PLAINS. BUBBLE OF HIGH PRES CENTER NEAR 30N72W AND STATIONARY. ON THE SURFACE DAY 4 HIGH PRES BENEATH BUBBLE NEAR 33N63W SPREADS OUT BETWEEN 50W AND 88W N OF 23N. ATLC FRONT MOVES E TO 31N38W 25N40W WITH WINDS TO 20 KT. GFS MODEL PICKS UP ON LOW CENTER NEAR 13N35W WITH WINDS TO 20 KT. CARIB WINDS MODERATE. WEAK WAVE ALONG 64W AND OVER GULF ALONG 93W. FOR DAY 5 WHILE ONE MID LEVEL TROUGH LIFTS NE ALONG 44W ANOTHER ONE MOVES ESE ALONG 90W OVER MID CONUS. BUBBLE OF HIGH PRES NE OF BAHAMAS STATIONARY. INVERTED MID LEVEL TROUGHS ALONG 40W AND 70W ASSOCIATED WITH WAVES. ON THE SURFACE DAY 5 LOW PRES NEAR 14N38W WITH FAIRLY GOOD CIRCULATION COULD BE NEXT TRPL SYSTEM. WEAK 1020 MB HIGH NEAR 31N62W RIDGES WSW TO N CENTRAL GULF. WEAK WAVE ALONG 69W. WEAK COLD FRONT OVER S CENTRAL TX WITH WINDS OVER GULF LIGHT TO MODERATE. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER RRG