000
AGXX40 KNHC 240607
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
130 AM EST SUN FEB 24 2008

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

STRONG MID LEVEL RIDGE CENTERED OVER ERN CUBA TONIGHT BLOCKING 
STRONG WESTERLIES N OF 25N. SERIES OF SHORTWAVES MOVING E IN 
BASIC ZONAL FLOW N OF 30N. NEXT ONE OVER MO VALLEY TONIGHT. ON 
THE SURFACE TONIGHT ATLC RIDGE OVER MID OCEAN EXTENDS WSW TO WRN 
BAHAMAS. WEAK STATIONARY FRONT OVER N CENTRAL FL. STRONGEST 
WINDS OVER USUAL S CENTRAL CARIBBEAN WHERE SSMI SHOWS 25 KT. 
AREAS OF 20 KT N OF 29N W OF 65W AND S OF ATLC RIDGE E OF 60W. 

LATER DAY 1 MODERATE SHORTWAVE MOVES TO TN VALLEY STILL BLOCKED 
BY LARGE MID LEVEL RIDGE S OF 25N. ON THE SURFACE LATER DAY 1 
WEAK FRONT BRUSHES ATLC WATERS N OF 30N E OF 70W WITH WINDS 20 
TO 25 KT. ATLC RIDGE SHOWS SIGNS OF WEAKENING AND ELY TRADES 
DECREASE SLIGHTLY. GULF WINDS MOSTLY LIGHT WITH WEAK FRONT 
MOVING OFF TX COAST. 

DAY 2 WITH STRONG WLY FLOW ALOFT..SYSTEMS MOVING RAPIDLY EWD. 
SHORTWAVE MOVES TO 66W BRUSHING OUR REGION S OF 30N. NEXT 
SHORTWAVE DROPS SE INTO CENTRAL PLAINS. MID LEVEL RIDGE S OF 25N 
SHOWS SIGNS OF WEAKENING ALSO. ON THE SURFACE DAY 2 GULF FRONT 
DISSIPATES AND RETURN FLOW SETS IN W OF 90W WITH PRES LOWERING 
OVER PLAINS. ATLC RIDGE CONTINUES WEAKENING AND ELY TRADES 
DECREASE TO 15 KT. ATLC WINDS TO 25 KT N OF 28N BETWEEN 55W AND 
65W WITH LOW PRES N OF AREA.

OUTLOOK PERIOD...

FOR DAY 3 NEXT SHORTWAVE GETS GOOD SUPPLY OF COLD AIR ALOFT AND 
HEADS FOR TN VALLEY. MID LEVEL HEIGHTS FALL W OF 80W OVER GULF 
AS MID LEVEL FLOW TURNS MORE W AND NW. ON THE SURFACE DAY 3 COLD 
FRONT MOVES RAPIDLY SE OVER GULF WITH WINDS 25 TO 30 KT AND 
POSSIBLE GALE FORCE ALONG MEXICAN COAST. ATLC WINDS N OF 29N W 
OF 75W INCREASE WITH APPROACH OF FRONT. WEAKENED ATLC RIDGE OVER 
CENTRAL BAHAMAS WITH LIGHT TO MODERATE TRADES.

FOR DAY 4 UPPER TROUGH CONTINUES TO STRENGTHEN WITH STRONG NWLY 
FLOW ON BACK SIDE SUPPLYING PLENTY OF COLD AIR. ON THE SURFACE A 
1030 MB POLAR HIGH DROPS SE INTO SRN TX WHILE COLD FRONT MOVES E 
TO WRN BAHAMAS. GULF WINDS REMAIN IN 20 TO 25 KT RANGE E OF 90W 
AND SW SECTION. ATLC RIDGE RECEDES EWD WITH TRADES MOSTLY 15 TO 
20 KT S OF 20N. 

FOR DAY 5 STRONG UPPER TROUGH LIFTS ENE OFF ERN SEABOARD TO 70W. 
ON THE SURFACE DAY 5 A 1027 MB POLAR HIGH MOVES TO NE GULF AS 
RETURN FLOW SETS UP W OF 90W. COLD FRONT MOVES E OF BAHAMAS WITH 
WINDS 20 TO 25 KT N OF 27N. ATLC RIDGE SHOWS SIGNS OF 
RE-STRENGTHENING E OF 60W WITH TRADES INCREASING 20 TO 25 KT. 
CARIB WINDS INCREASE OVER NW SECTION AS POLAR HIGH MOVES E. 
REMAINDER OF CARIB ELY WINDS 10 TO 15 KT.

WARNINGS...
ATLC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER RRG