Hurricane Katia

Forecast Advisory 12

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000
WTNT22 KNHC 010247
TCMAT2

HURRICANE KATIA FORECAST/ADVISORY NUMBER 12
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
0300 UTC THU SEP 01 2011

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 15.0N 44.4W AT 01/0300Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 17 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 987 MB
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
64 KT....... 20NE 0SE 0SW 20NW.
50 KT....... 50NE 40SE 0SW 50NW.
34 KT.......110NE 90SE 45SW 110NW.
12 FT SEAS..200NE 30SE 90SW 120NW.
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 15.0N 44.4W AT 01/0300Z
AT 01/0000Z CENTER WAS LOCATED NEAR 14.8N 43.6W

FORECAST VALID 01/1200Z 15.6N 46.7W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 20NE 0SE 0SW 20NW.
50 KT... 50NE 40SE 0SW 50NW.
34 KT...110NE 90SE 45SW 110NW.

FORECAST VALID 02/0000Z 16.3N 49.1W
MAX WIND 85 KT...GUSTS 105 KT.
64 KT... 40NE 30SE 20SW 40NW.
50 KT... 60NE 50SE 40SW 60NW.
34 KT...120NE 100SE 60SW 120NW.

FORECAST VALID 02/1200Z 17.3N 51.3W
MAX WIND 90 KT...GUSTS 110 KT.
64 KT... 40NE 30SE 20SW 40NW.
50 KT... 60NE 50SE 40SW 60NW.
34 KT...120NE 100SE 60SW 120NW.

FORECAST VALID 03/0000Z 18.4N 53.1W
MAX WIND 95 KT...GUSTS 115 KT.
50 KT... 75NE 60SE 40SW 75NW.
34 KT...150NE 125SE 75SW 150NW.

FORECAST VALID 04/0000Z 20.5N 56.0W
MAX WIND 100 KT...GUSTS 120 KT.
50 KT... 80NE 70SE 45SW 80NW.
34 KT...160NE 140SE 90SW 160NW.

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 05/0000Z 22.5N 59.0W
MAX WIND 105 KT...GUSTS 130 KT.

OUTLOOK VALID 06/0000Z 24.0N 61.5W
MAX WIND 105 KT...GUSTS 130 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.0N 44.4W

NEXT ADVISORY AT 01/0900Z

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FORECASTER BROWN