Tropical Storm Ian

Forecast Advisory 4

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466
WTNT25 KNHC 130842
TCMAT5

TROPICAL STORM IAN FORECAST/ADVISORY NUMBER 4
NWS NATIONAL HURRICANE CENTER MIAMI FL AL102016
0900 UTC TUE SEP 13 2016

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL STORM CENTER LOCATED NEAR 24.0N 51.7W AT 13/0900Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 335 DEGREES AT 8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT.......200NE 140SE 0SW 120NW.
12 FT SEAS..240NE 210SE 150SW 180NW.
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 24.0N 51.7W AT 13/0900Z
AT 13/0600Z CENTER WAS LOCATED NEAR 23.5N 51.5W

FORECAST VALID 13/1800Z 25.4N 52.5W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...200NE 140SE 0SW 120NW.

FORECAST VALID 14/0600Z 27.8N 53.4W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...180NE 120SE 0SW 120NW.

FORECAST VALID 14/1800Z 30.4N 53.8W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...180NE 100SE 0SW 100NW.

FORECAST VALID 15/0600Z 33.2N 53.1W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 30SE 0SW 0NW.
34 KT...150NE 100SE 50SW 100NW.

FORECAST VALID 16/0600Z 40.7N 46.1W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 30SE 0SW 0NW.
34 KT...150NE 120SE 50SW 80NW.

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 17/0600Z 50.7N 32.0W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.

OUTLOOK VALID 18/0600Z 58.5N 18.5W...POST-TROP/EXTRATROP
MAX WIND 45 KT...GUSTS 55 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 24.0N 51.7W

NEXT ADVISORY AT 13/1500Z

$$
FORECASTER CANGIALOSI