000 AGXX40 KNHC 240615 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 AM EST MON DEC 24 2007 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. A LARGE POS TILTED MID LEVEL TROUGH EXTENDS FROM 40N38W SW TO 20N60W. CLOSED OFF STRONG MID LEVEL VORTEX OVER GREATLAKES WITH A VERY STRONG SUBTROPIC JET OVER SRN CONUS. MID LEVEL RIDGE CENTERED OVER CUBA/BAHAMAS TONIGHT EXTENDS NE. ON THE SURFACE TONIGHT OLD STATIONARY FRONT EXTENDS FROM 31N40W SW TO 23N53W WHERE AN OLD FRONTAL WAVE IS LOCATED MOVING E. THE FRONT CONTINUES WWD TO JUST E OF THE BAHAMAS. GALE CONDITIONS N OF 27N BETWEEN 48W AND 70W. POLAR HIGH 1026 MB OVER LOWER MS VALLEY WITH A WEAKENING COLD FRONT OVER N FL SW TO YUCATAN PEN. CARIB WINDS MODERATE AS ARE ATLC TRADES S OF 20N. LATER DAY 1 NEXT STRONG SHORTWAVE TROUGH DIVES SE INTO SRN PLAINS MAINTAINING A STRONG SUBTROPIC JET OVER LOWER MS VALLEY. MID LEVEL RIDGE HOLDS ON OVER BAHAMAS EXTENDING NE TO 40N50W. MID LEVEL TROUGH EXTENDS FROM NEAR 40N30W TO 17N60W. ON THE SURFACE LATER DAY 1 GALE CONDITIONS OVER ATLC N OF 26N BETWEEN FRONT AND 58W WITH SEAS TO 16 FT. POLAR HIGH 1026 MB OVER LOWER MS VALLEY MOVING SLOWLY E. GULF WINDS LIGHT TO MODERATE. CARIB WINDS MOSTLY NE MODERATE. ATLC TRADES LIGHT TO MODERATE. FOR DAY 2 VERY ENERGETIC PATTERN CONTINUES WITH STRONG SHORTWAVE BECOMING NEG TILTED OVER SE CONUS. MID LEVEL RIDGE MOVING EWD WHILE ATLC MID LEVEL TROUGH HOLDS ON. NEW MID LEVEL TROUGHS ON HORIZON MOVING INTO CENTRAL AND NRN PLAINS. ON THE SURFACE DAY 2 GALE CONDITIONS SUBSIDE BUT NE WINDS 20 TO 30 KT CONTINUE N OF A FRONTAL BOUNDARY FROM 31N40W TO 23N50W. OLD POLAR HIGH OVER SRN CONUS WEAKENING. WEAK LOW PRES DEVELOPS OFF SE COAST ON OLD FRONTAL BOUNDARY. NO CHANGE TO CARIB OR TRPL ATLC WINDS. OUTLOOK PERIOD... FOR DAY 3 MID LEVEL FEATURES WEAKENING S OF 30N BUT STRONG SHORTWAVES CONTINUE IN THE WESTERLIES. ONE MOVING OFF DELMARVA AND A NEW ONE MOVING INTO MO VALLEY. ON THE SURFACE DAY 3 WINDS OVER ATLC FINALLY DECREASING TO 15 TO 20 KT. OLD POLAR HIGH 1020 MB OVER FL PANHANDLE. LOW OFF SE COAST MOVES NE WITH MODERATE SLY WINDS W OF 65W TO WEAK FRONT OVER NW BAHAMAS. NEW COLD FRONT MOVES TO TX COAST WITH WINDS TO 20 KT. FOR DAY 4 STRONG MID LEVEL SWLY FLOW CONTINUES AS NEXT STRONG SHORTWAVE DROPS INTO SRN PLAINS. MID LEVEL RIDGE HOLDS ON OVER NW CARIB EXTENDING NE TO 34N50W. OLD MID LEVEL TROUGH OVER ERN ATLC WEAKENING. ON THE SURFACE DAY 4 MODERATE RIDGE OVER ATLC WILL MAINTAIN MODERATE ELY TRADES E OF 60W. OLD POLAR HIGH 1022 MB MOVES OFF SE COAST WILL MAINTAIN MODERATE WINDS OVER CARIB. FRONT STALLS OVER NW GULF AS RETURN FLOW SETS IN WITH LOWERING PRESSURES OVER PLAINS. FOR DAY 5 OLD MID LEVEL TROUGH OVER E ATLC CLOSES OFF NEAR 28N32W WITH TROUGH SW TO 12N50W. OLD MID LEVEL RIDGE FINDS NEW LIFE WITH CENTER OVER CUBA/BAHAMAS. STRONG SWLY MID LEVEL FLOW CONTINUES OVER ERN CONUS AS PLAINS SHORTWAVE HEADS FOR GREATLAKES. ON THE SURFACE DAY 5 OLD POLAR HIGH MERGING WITH ATLC HIGH PRES WILL MAINTAIN MODERATE TRADES S OF 22N E OF 80W. OLD FRONTAL BOUNDARY OVER NW GULF WITH WEAK WAVE ACTION AND WINDS TO 20 KT. WARNINGS... ATLANTIC... GALE WARNING N OF 27N BETWEEN 48W AND 70W. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER RRG