Hurricane Nadine

Forecast Advisory 21



400
WTNT24 KNHC 161442
TCMAT4

HURRICANE NADINE FORECAST/ADVISORY NUMBER 21
NWS NATIONAL HURRICANE CENTER MIAMI FL AL142012
1500 UTC SUN SEP 16 2012

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 30.5N 41.7W AT 16/1500Z
POSITION ACCURATE WITHIN 25 NM

PRESENT MOVEMENT TOWARD THE EAST OR 90 DEGREES AT 20 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 983 MB
MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT.
64 KT....... 20NE 40SE 30SW 0NW.
50 KT....... 50NE 80SE 70SW 40NW.
34 KT.......120NE 160SE 140SW 110NW.
12 FT SEAS..210NE 210SE 240SW 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 30.5N 41.7W AT 16/1500Z
AT 16/1200Z CENTER WAS LOCATED NEAR 30.5N 42.8W

FORECAST VALID 17/0000Z 30.9N 39.3W
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 20NE 40SE 30SW 0NW.
50 KT... 50NE 80SE 70SW 40NW.
34 KT...120NE 160SE 140SW 110NW.

FORECAST VALID 17/1200Z 31.7N 36.4W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 40SE 30SW 0NW.
50 KT... 50NE 80SE 70SW 40NW.
34 KT...120NE 160SE 140SW 110NW.

FORECAST VALID 18/0000Z 32.8N 34.2W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 40SE 30SW 0NW.
50 KT... 50NE 80SE 70SW 40NW.
34 KT...120NE 160SE 140SW 110NW.

FORECAST VALID 18/1200Z 34.0N 32.9W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 60NE 70SE 70SW 60NW.
34 KT...130NE 160SE 140SW 120NW.

FORECAST VALID 19/1200Z 36.3N 31.6W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 60NE 60SE 60SW 60NW.
34 KT...140NE 150SE 150SW 130NW.

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 20/1200Z 37.0N 30.5W
MAX WIND 50 KT...GUSTS 60 KT.

OUTLOOK VALID 21/1200Z 37.0N 29.0W
MAX WIND 45 KT...GUSTS 55 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.5N 41.7W

NEXT ADVISORY AT 16/2100Z

$$
FORECASTER STEWART