000
AGXX40 KNHC 190715
MIMATS

MARINE WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
220 AM EST THU NOV 19 2009

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

UPPER LEVELS...
STRONG DEEP LAYER CYCLONIC CIRCULATION OVER THE CENTRAL 
MISSISSIPPI VALLEY WITH MODERATE SOUTHWESTERLIES OVER THE GULF 
OF MEXICO AND THE FAR NORTHWEST PART OF THE ATLANTIC AREA. LOW 
WILL MOVE NORTH AND CONTRACT SOME IN SIZE WITH MODERATE 
SOUTHWESTERLIES CONTINUING OVER THE GULF THROUGH FRIDAY. 
SHORTWAVE WILL MOVE OFF TEXAS COAST FRIDAY NIGHT. SHORTWAVE WILL 
MOVE NORTHEAST AND BY SUNDAY BE ABSORBED BY THE WESTERLIES OVER 
THE SOUTHEAST UNITED STATES. WESTERLIES WILL CONTRACT NORTHWARD 
SOME MONDAY.

TROUGH OVER THE CENTRAL ATLANTIC FROM 65W TO 60W WILL MOVE 
SLOWLY EAST PASSING EAST OF 55W THURSDAY. FRIDAY THROUGH MONDAY 
BROAD RIDGE OVER THE AREA SOUTH OF ABOUT 22N WITH MODERATE 
WESTERLIES NORTH OF 22N.

SURFACE...
HIGH WELL NORTH OF THE ATLANTIC AREA COUPLED WITH A SURFACE 
REFLECTION OF THE ATLANTIC TROUGH WILL PRODUCE NORTHEAST WINDS 
OF 20 KNOTS OR MORE OVER THE NORTHEASTERN PART OF THE ATLANTIC 
AREA CONTINUING THROUGH THURSDAY. WINDS WILL THEN MOVE EAST OF 
THE AREA AS THE HIGH MOVES EAST. 

SHORTWAVE OVER TEXAS WILL INDUCE FRONTAL TROUGH OVER WESTERN 
GULF OF MEXICO WITH INCREASING SOUTHEASTERLY WINDS THURSDAY 
NIGHT. WINDS WILL INCREASE NEAR A LOW THAT THE MODEL DEVELOPS 
ALONG THE FRONT. WINDS WILL BE MAINLY DUE TO DEVELOPING LOW 
PRESSURE NOT A STRONG HIGH BEHIND THE FRONT OR AHEAD OF THE 
FRONT. LOW IS FORECAST TO WEAKEN AS IT MOVES EAST OF 90W AND 
THEN OVER SOUTHEAST GEORGIA LATE SUNDAY AND WEAKEN FURTHER. 

NORTHEAST WINDS OR 20 KNOTS WILL BE OFF THE COAST OF COLOMBIA 
THROUGH THE PERIOD.

OTHERWISE WINDS WILL BE LESS THAN 20 KT.

WARNINGS...

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

$$
FORECASTER LL