000
AGXX40 KNHC 150701
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
300 AM EDT WED OCT 15 2008

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

UPPER LEVELS...
ENTIRE SW N ATLC BASIN UNDER INFLUENCE OF DEEP AMPLITUDE TROUGH 
DIGGING SW FROM CUT-OFF CYCLONIC VORTEX AT 33N62W TO SE 
BAHAMAS.  TROUGH MAIN MECHANISM STEERING HURCN OMAR NE 
ACCELERATING FROM CENTRAL CARIBBEAN ACROSS NRN LESSER ANTILLES 
INTO TROPICAL ATLC THENCE INTO CENTRAL ATLC FOR HIS EVENTUAL 
DEMISE.  MEANTIME BROAD ANTICYCLONE OVER MID ATLC STATES 
CONTINUES DRIFTING S BRINGING ALONG LARGE DRY AIRMASS OVER NE 
GULF OF MEXICO WHILE OUTFLOW ALOFT FROM TROPICAL DEPRESSION 
SIXTEEN OFF COAST OF ERN HONDURAS ADVECTS ABUNDANT TROPICAL 
MOISTURE ELSEWHERE IN GULF.
CARIBBEAN LADEN WITH PLENTY OF MOISTURE..AS USUAL FOR THIS TIME 
OF THE YEAR...WITH TWO TROPICAL CYCLONES TO DEAL WITH.  

ELSEWHERE AT THE SURFACE...
SEE THE NHC ADVISORIES MIATCMAT5/MIATCDAT5 FOR DETAILS ON HURCN 
OMAR OVER ERN CARIBBEAN MOVING NE TODAY AND LIKELY STRENGTHENING 
TO CATEGORY TWO LATER TONIGHT AND PASSING OVER NRN LEEWARD 
ISLANDS.  RADII OF TROPICAL STORM WINDS LIKELY REACH BRITISH AND 
U.S VIRGIN ISLANDS AND POSSIBLE ERN PUERTO RICO.

TROPICAL DEPRESSION SIXTEEN HAS WELL DEFINED OUTFLOW AND LIKELY 
INTENSIFY TO TROPICAL STORM LATE TODAY OR TONIGHT.  ONLY FACTOR 
ADVERSE TO MORE DEVELOPMENT IS CLOSENESS TO LAND SINCE ITS PATH 
SHOULD MOVE IT HUGGING N COAST OF HONDURAS OVER THE BAY ISLANDS. 
ONCE INLAND THE MOUNTAINS SHOULD COMPLETE ITS DISSIPATION.

RIDGE MOVE OVER SE UNITED STATES AND WEAKEN AS NEW COLD FRONT  
MOVES OFF TEXAS COAST LATE FRI AND ANOTHER HIGH PRES BUILDS OVER 
SE UNITED STATES BEHIND FRONT.  LOW PRES DEVELOPS OFF CAROLINA 
COAST LATE FRI AND MOVES NE.  ASSOCIATED WINDS IMPACT NRN 
FRINGES OF SW N ATLC WATERS BEHIND COLD FRONT.

WARNINGS...

ATLANTIC...
NONE.

CARIBBEAN...
AMZ082...TROPICAL STORM WARNING...TD SIXTEEN.
AMZ086...TROPICAL STORM WARNING...TS OMAR.

GULF OF MEXICO...
NONE.

FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.