Home

000
AGXX40 KNHC 150736
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
230 AM EST THU JAN 15 2009

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

GULF OF MEXICO...
1028 MB SURFACE HIGH PRES CENTERED OVER SW LOUISIANA IS
MAINTAINING LIGHT TO MODERATE FLOW ACROSS THE GULF THIS MORNING.
A BROAD UPPER TROUGH EXTENDING FROM ONTARIO TO TEXAS IS
SUPPORTING A SURFACE COLD FRONT AS IT MOVES THROUGH THE
SOUTHEAST U.S. TODAY. VERY STRONG 1040 MB PLUS HIGH PRES BEHIND
THE FRONT BUILDS FROM THE NORTHERN PLAINS SE TO THE MID
MISSISSIPPI VALLEY TODAY. THIS TIGHTENS THE PRESSURE GRADIENT
AND RESULTS IN INCREASED WINDS AND SEAS ACROSS THE GULF STARTING
LATE TODAY. WINDS GRADUALLY DIMINISH THROUGH SAT AS THE HIGH
PRES WEAKENS AND SHIFTS INTO THE SE U.S. LOOKING AHEAD TO SUN
AND MON...ANOTHER UPPER TROUGH DIGS INTO THE PLAINS AND PROPELS
ANOTHER COLD FRONT INTO THE NORTHERN GULF SUN...WITH NORTHERLY
FLOW INCREASING OVER THE NORTHERN GULF. THIS FRONT PUSHES SE OF
THE AREA MON...FOLLOWED RAPIDLY BY A REINFORCING FRONT MON.

CARIBBEAN...
FRESH TO STRONG TRADES CONTINUES ACROSS THE EASTERN AND CENTRAL
CARIBBEAN. AN ASCAT PASS FROM 02Z CONFIRMS PERSISTENT WINDS TO
30 KT OFF THE COLOMBIAN COAST. A STATIONARY FRONT EXTENDS FROM
CENTRAL CUBA TO CENTRAL HONDURAS. WINDS WILL INCREASE NW OF THIS
FRONT THROUGH SAT AS STRONG HIGH PRES BUILDS TO THE NORTH. WINDS
MAY REACH 30 KT THROUGH THE YUCATAN CHANNEL BY LATE FRI...BEFORE
GRADUALLY DIMINISHING SAT INTO SUN. MEANWHILE WINDS WILL
DIMINISH OVER THE EASTERN CARIBBEAN AS A SURFACE TROUGH
ASSOCIATED WITH A WELL DEVELOPED UPPER TROUGH...MOVES NORTH OF
GUYANA AND THROUGH THE LESSER ANTILLES.

SOUTHWEST NORTH ATLC S OF 31N W OF 55W...
A COLD FRONT IS BARELY MOVING AND WILL BECOME STATIONARY LATER
THIS MORNING FROM ROUGHLY BERMUDA THROUGH THE SOUTHERN BAHAMAS.
UPPER WINDS OVER THE AREA REMAIN SW AHEAD OF A BROAD TROUGH OVER
THE U.S. A REINFORCING FRONT EMERGES OFF THE GEORGIA COAST LATER
THIS MORNING...FOLLOWED BY INCREASING WINDS AND SEAS DUE TO
STRONG COLD AIR ADVECTION. THIS FRONT GLIDES TO GENERALLY THE
SAME POSITION AS THE FIRST FRONT BY MIDDAY SAT...AS UPPER SHORT
WAVE SUPPORT LIFTS OUT. WINDS WILL DIMINISH SLIGHTLY...BUT WILL
BREAK FROM GLOBAL MODELS SLIGHTLY EXPECTING LEAST FRESH NE FLOW
AHEAD OF AN INVERTED TROUGH APPROACHING THE AREA FROM THE EAST.
ANOTHER FRONT PUSHES OFF THE SE U.S. COAST BY LATE
SUN...FOLLOWED BY FRESH TO STRONG NW FLOW.

ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.





Home