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TROPICAL STORM GASTON FORECAST/ADVISORY NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072016
2100 UTC SAT AUG 27 2016

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL STORM CENTER LOCATED NEAR 29.2N  54.0W AT 27/2100Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT   8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  993 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 50NE  40SE  20SW  40NW.
34 KT.......130NE  90SE  50SW 110NW.
12 FT SEAS..180NE  90SE 120SW 150NW.
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 29.2N  54.0W AT 27/2100Z
AT 27/1800Z CENTER WAS LOCATED NEAR 28.9N  53.7W

FORECAST VALID 28/0600Z 30.0N  54.6W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 15NE  15SE  10SW  15NW.
50 KT... 60NE  40SE  30SW  40NW.
34 KT...130NE 100SE  60SW 110NW.

FORECAST VALID 28/1800Z 30.7N  55.1W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  20SE  15SW  20NW.
50 KT... 70NE  50SE  40SW  50NW.
34 KT...130NE 120SE  80SW 110NW.

FORECAST VALID 29/0600Z 31.0N  55.3W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 30NE  30SE  20SW  30NW.
50 KT... 70NE  60SE  50SW  60NW.
34 KT...140NE 120SE  90SW 110NW.

FORECAST VALID 29/1800Z 31.4N  54.9W
MAX WIND  90 KT...GUSTS 110 KT.
50 KT... 70NE  70SE  50SW  60NW.
34 KT...140NE 130SE 100SW 110NW.

FORECAST VALID 30/1800Z 32.5N  53.0W
MAX WIND  85 KT...GUSTS 105 KT.
50 KT... 80NE  80SE  70SW  60NW.
34 KT...140NE 150SE 120SW 110NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 31/1800Z 34.0N  50.0W
MAX WIND  75 KT...GUSTS  90 KT.

OUTLOOK VALID 01/1800Z 37.0N  44.0W
MAX WIND  65 KT...GUSTS  80 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.2N  54.0W

NEXT ADVISORY AT 28/0300Z

$$
FORECASTER STEWART


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