Hurricane IRMA

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HURRICANE IRMA FORECAST/ADVISORY NUMBER  16
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL112017
0900 UTC SUN SEP 03 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

INTERESTS IN THE LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS OF
IRMA.

HURRICANE CENTER LOCATED NEAR 18.0N  47.5W AT 03/0900Z
POSITION ACCURATE WITHIN  10 NM

PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 255 DEGREES AT  13 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  969 MB
EYE DIAMETER  10 NM
MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT.
64 KT....... 20NE  10SE  10SW  15NW.
50 KT....... 40NE  20SE  20SW  30NW.
34 KT....... 60NE  60SE  40SW  70NW.
12 FT SEAS..400NE 120SE 100SW 360NW.
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 18.0N  47.5W AT 03/0900Z
AT 03/0600Z CENTER WAS LOCATED NEAR 18.2N  46.9W

FORECAST VALID 03/1800Z 17.5N  49.1W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 25NE  10SE  10SW  20NW.
50 KT... 40NE  20SE  20SW  30NW.
34 KT... 70NE  70SE  50SW  80NW.

FORECAST VALID 04/0600Z 16.8N  51.3W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 25NE  15SE  15SW  25NW.
50 KT... 50NE  30SE  30SW  40NW.
34 KT... 90NE  80SE  60SW  90NW.

FORECAST VALID 04/1800Z 16.5N  53.4W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 30NE  20SE  20SW  25NW.
50 KT... 50NE  40SE  40SW  50NW.
34 KT...100NE  90SE  70SW 100NW.

FORECAST VALID 05/0600Z 16.5N  55.7W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT... 60NE  50SE  40SW  60NW.
34 KT...120NE 100SE  80SW 120NW.

FORECAST VALID 06/0600Z 17.8N  60.6W
MAX WIND 120 KT...GUSTS 145 KT.
50 KT... 80NE  60SE  50SW  70NW.
34 KT...140NE 120SE  90SW 130NW.

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 07/0600Z 20.0N  66.0W
MAX WIND 115 KT...GUSTS 140 KT.

OUTLOOK VALID 08/0600Z 22.5N  71.5W
MAX WIND 115 KT...GUSTS 140 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.0N  47.5W

NEXT ADVISORY AT 03/1500Z

$$
FORECASTER BERG


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