Hurricane Igor

Forecast Advisory 13

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000
WTNT21 KNHC 111445
TCMAT1
TROPICAL STORM IGOR FORECAST/ADVISORY NUMBER 13
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010
1500 UTC SAT SEP 11 2010

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL STORM CENTER LOCATED NEAR 17.4N 39.5W AT 11/1500Z
POSITION ACCURATE WITHIN 25 NM

PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 17 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 995 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT.
50 KT....... 45NE 30SE 0SW 30NW.
34 KT.......100NE 60SE 60SW 100NW.
12 FT SEAS..150NE 60SE 60SW 60NW.
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 17.4N 39.5W AT 11/1500Z
AT 11/1200Z CENTER WAS LOCATED NEAR 17.3N 38.7W

FORECAST VALID 12/0000Z 17.5N 42.0W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 25NE 0SE 0SW 25NW.
50 KT... 45NE 30SE 0SW 30NW.
34 KT...100NE 60SE 60SW 100NW.

FORECAST VALID 12/1200Z 17.6N 44.9W
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 30NE 0SE 0SW 30NW.
50 KT... 50NE 40SE 25SW 45NW.
34 KT...120NE 75SE 60SW 110NW.

FORECAST VALID 13/0000Z 17.7N 47.5W
MAX WIND 80 KT...GUSTS 100 KT.
64 KT... 35NE 30SE 30SW 35NW.
50 KT... 60NE 50SE 40SW 55NW.
34 KT...130NE 85SE 85SW 120NW.

FORECAST VALID 13/1200Z 17.7N 49.7W
MAX WIND 90 KT...GUSTS 110 KT.
50 KT... 70NE 60SE 45SW 65NW.
34 KT...140NE 100SE 90SW 120NW.

FORECAST VALID 14/1200Z 18.0N 53.5W
MAX WIND 105 KT...GUSTS 130 KT.
50 KT... 80NE 70SE 60SW 75NW.
34 KT...150NE 120SE 100SW 130NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 200 NM
ON DAY 4 AND 250 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 15/1200Z 19.5N 56.5W
MAX WIND 110 KT...GUSTS 135 KT.

OUTLOOK VALID 16/1200Z 21.0N 59.5W
MAX WIND 110 KT...GUSTS 135 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.4N 39.5W

NEXT ADVISORY AT 11/2100Z

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FORECASTER BLAKE