000
AGXX40 KNHC 270653
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
200 AM EST MON NOV 27 2006

MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND 
SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
MID/UPPER LEVEL RIDGE OVER SE UNITED STATES AND GULF OF MEXICO 
HAS HEALTHY 120 KT JET CORE OVER CENTRAL PLAINS AND GOOD 
ANTICYCLONIC FLOW OVER ENTIRE GULF AND NW CARIBBEAN.  MODERATE 
TO STRONG SUBSIDENCE OVER GULF MAINTAINS VERY DRY AIR MASS 
EXTENDING ACROSS CENTRAL AMERICA INTO E PAC.  RIDGE MOVING 
QUICKLY E AS NEW LONGWAVE TROUGH CROSSES ROCKIES.  ASSOCIATED 
COLD FRONT WILL IMPACT NW GULF OF MEXICO BY LATE THU AND FRI. 

SW N ATLC...
DEEP LAYER LONGWAVE TROUGH ASSOCIATED WITH WEAKENING COLD FRONT 
CROSSES SW N ATLC WATERS EXTENDING DRYNESS INTO ATLC EXCEPT 
EXTREME SE CORNER.  TROPICAL MOISTURE ADVECTED BY CARIBBEAN 
RIDGE FEEDS INTO WEAKENING COLD FRONT NOW FROM 23N65W TO HAITI. 

CARIBBEAN AND TROPICAL N ATLC...
WEAKENING FRONTAL TROUGH FROM HAITI PANAMA COASTAL WATERS SHOULD 
DISSIPATE TODAY OR TONIGHT.  MODERATE TO STRONG NE WINDS 
CONTINUE OVER NW CARIBBEAN W OF TROUGH LIKELY TO INCREASE AS 
HIGH PRES RIDGE OVER SE CONUS IS FORCED E BY UPSTREAM SYSTEM.  

WARNINGS...

ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER WALLY BARNES