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Marine Weather Discussion
000
AGXX40 KNHC 031829
MIMATS
MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT FRI JUL 03 2009
MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA
AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.
UPPER LEVELS...
BROAD DEEP LAYER RIDGE OVER CENTRAL ATLC BRINGS VERY DRY STABLE
AIR MASS INTO EASTERN HALF OF SW N ATLC AND NE CARIBBEAN. DEEP
LAYER TROUGHS ON BOTH SIDES OF RIDGE. EASTERNMOST TROUGH SUPPORT
LOW PRES 1013 MB NEAR 31N43W WITH FRESH TO STRONG BREEZE WITHIN
300 NM SE QUADRANT OF CENTER. WESTERNMOST TROUGH SUPPORTS WEAK
COLD FRONT ACROSS ACROSS N GULF COASTAL STATES MOVING E INTO
ATLC WATERS WITHIN NEXT 48 HRS.
SURFACE...
SW N ATLC
HIGH PRES CENTER 1024 MB AT 27N62W HAS HEALTHY RIDGE EXTEND TO
STRAITS OF FLORIDA. DRY STABLE AIR MASS OVER EASTERN HALF OF
BASIN WHILE VERY WEAK COLD FRONT SCRAPE BY N FLORIDA BORDER ON
ITS WAY E. RIDGE FORCED S BY COLD FRONT SQUEEZES GRADIENT ALONG
SOUTHERN PERIPHERY INCREASING WINDS WITH LONG FETCH ACROSS
TROPICAL ATLC BRINGING MODERATE E SWELLS INTO PICTURE.
CARIBBEAN
STRONG E WINDS OVER EASTERN CARIBBEAN TURN TEMPORARILY INTO NEAR
GALE FURTHER W AS THEY INTERACT WITH REINFORCING STRONG WINDS
ASSOCIATED WITH TROPICAL WAVE. WINDS EXPECTED TO DIMINISH SAT
THROUGH SUN AS WAVE PULLS AWAY FROM AREA.
GULF OF MEXICO
ATLC RIDGE EXTENSION INTO GULF OF MEXICO IS WEAKENED BY COLD
FRONT OVER N FLORIDA AND FLATTENED PRES PATTERN TO ITS SW. LIGHT
TO GENTLE BREEZE FLOW ACROSS GULF THRU MOST OF PERIOD WITH MINOR
RETURN FLOW ALONG SE TEXAS COAST AS ONLY FLY IN THE OINTMENT.
WINDS INCREASE SLIGHTLY AND TEMPORARILY AS TROPICAL WAVE SKIRTS
THE SOUTHERN FRINGES OF BASIN MON THRU WED.
WARNINGS
ATLC...
.NONE.
CARIBBEAN...
.NONE.
GULF OF MEXICO...
.NONE.
FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.
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