000
WTNT24 KNHC 111449
TCMAT4
 
TROPICAL STORM MARIA FORECAST/ADVISORY NUMBER  20
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL142011
1500 UTC SUN SEP 11 2011
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
INTERESTS IN THE VIRGIN ISLANDS...PUERTO RICO...THE TURKS AND CAICOS
ISLANDS...AND THE SOUTHEASTERN BAHAMAS SHOULD MONITOR THE PROGRESS
OF MARIA.

TROPICAL STORM CENTER LOCATED NEAR 19.0N  64.6W AT 11/1500Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 90NE   0SE   0SW   0NW.
34 KT.......175NE   0SE   0SW  90NW.
12 FT SEAS..240NE  90SE  30SW 240NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 19.0N  64.6W AT 11/1500Z
AT 11/1200Z CENTER WAS LOCATED NEAR 18.8N  64.0W
 
FORECAST VALID 12/0000Z 20.1N  65.6W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 90NE   0SE   0SW   0NW.
34 KT...175NE   0SE   0SW  90NW.
 
FORECAST VALID 12/1200Z 21.1N  66.9W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 90NE   0SE   0SW   0NW.
34 KT...150NE  60SE   0SW  75NW.
 
FORECAST VALID 13/0000Z 21.9N  68.0W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 60NE  30SE   0SW  30NW.
34 KT...125NE 100SE  45SW  90NW.
 
FORECAST VALID 13/1200Z 22.9N  69.1W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 60NE  30SE   0SW  30NW.
34 KT...125NE 100SE  45SW  90NW.
 
FORECAST VALID 14/1200Z 27.5N  69.7W
MAX WIND  65 KT...GUSTS  80 KT.
50 KT... 75NE  50SE   0SW  50NW.
34 KT...150NE 125SE  45SW 100NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 15/1200Z 34.5N  67.0W
MAX WIND  65 KT...GUSTS  80 KT.
 
OUTLOOK VALID 16/1200Z 45.0N  57.0W
MAX WIND  60 KT...GUSTS  75 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.0N  64.6W
 
NEXT ADVISORY AT 11/2100Z
 
$$
FORECASTER BROWN