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#898726 (Received by flhurricane at: 10:32 PM 17.Aug.2017)
TCMAT4

TROPICAL STORM HARVEY FORECAST/ADVISORY NUMBER 3
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017
0300 UTC FRI AUG 18 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* MARTINIQUE
* ST. LUCIA
* BARBADOS
* ST. VINCENT AND THE GRENADINES

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* DOMINICA

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA... IN THIS CASE WITHIN
12 TO 24 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA... IN THIS CASE WITHIN 12 TO 24
HOURS.

TROPICAL STORM CENTER LOCATED NEAR 13.0N 57.4W AT 18/0300Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 16 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 50NE 0SE 0SW 50NW.
12 FT SEAS.. 60NE 0SE 0SW 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 13.0N 57.4W AT 18/0300Z
AT 18/0000Z CENTER WAS LOCATED NEAR 13.0N 56.6W

FORECAST VALID 18/1200Z 13.2N 59.9W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 50NE 0SE 0SW 50NW.

FORECAST VALID 19/0000Z 13.6N 63.3W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 50NE 0SE 0SW 50NW.

FORECAST VALID 19/1200Z 13.9N 67.0W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 30SE 30SW 60NW.

FORECAST VALID 20/0000Z 14.1N 70.9W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 60NE 30SE 30SW 60NW.

FORECAST VALID 21/0000Z 14.8N 78.6W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 20SE 20SW 40NW.
34 KT... 80NE 40SE 40SW 80NW.

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 22/0000Z 16.0N 85.5W
MAX WIND 60 KT...GUSTS 75 KT.

OUTLOOK VALID 23/0000Z 17.5N 89.0W...INLAND
MAX WIND 55 KT...GUSTS 65 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.0N 57.4W

NEXT ADVISORY AT 18/0900Z

$$
FORECASTER PASCH