Hurricane Irma

Forecast Advisory 10

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120
WTNT21 KNHC 012049
TCMAT1

HURRICANE IRMA FORECAST/ADVISORY NUMBER 10
NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017
2100 UTC FRI SEP 01 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

INTERESTS IN THE NORTHERN LEEWARD ISLANDS SHOULD MONITOR THE
PROGRESS OF THIS SYSTEM.

HURRICANE CENTER LOCATED NEAR 18.8N 39.1W AT 01/2100Z
POSITION ACCURATE WITHIN 10 NM

PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 11 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 964 MB
EYE DIAMETER 15 NM
MAX SUSTAINED WINDS 105 KT WITH GUSTS TO 130 KT.
64 KT....... 20NE 15SE 10SW 15NW.
50 KT....... 40NE 30SE 20SW 30NW.
34 KT....... 90NE 60SE 40SW 70NW.
12 FT SEAS..240NE 60SE 150SW 210NW.
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 18.8N 39.1W AT 01/2100Z
AT 01/1800Z CENTER WAS LOCATED NEAR 18.8N 38.5W

FORECAST VALID 02/0600Z 18.9N 40.9W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 25NE 20SE 15SW 20NW.
50 KT... 50NE 30SE 20SW 40NW.
34 KT...100NE 70SE 50SW 80NW.

FORECAST VALID 02/1800Z 18.5N 43.4W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 25NE 20SE 15SW 20NW.
50 KT... 50NE 40SE 30SW 40NW.
34 KT...110NE 80SE 60SW 90NW.

FORECAST VALID 03/0600Z 17.9N 45.7W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 30NE 20SE 15SW 20NW.
50 KT... 50NE 40SE 30SW 40NW.
34 KT...110NE 80SE 60SW 100NW.

FORECAST VALID 03/1800Z 17.2N 47.9W
MAX WIND 105 KT...GUSTS 130 KT.
50 KT... 60NE 40SE 40SW 50NW.
34 KT...120NE 90SE 70SW 110NW.

FORECAST VALID 04/1800Z 16.4N 52.2W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 70NE 50SE 40SW 60NW.
34 KT...140NE 110SE 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 05/1800Z 17.0N 56.5W
MAX WIND 110 KT...GUSTS 135 KT.

OUTLOOK VALID 06/1800Z 19.0N 61.0W
MAX WIND 115 KT...GUSTS 140 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.8N 39.1W

NEXT ADVISORY AT 02/0300Z

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FORECASTER BLAKE