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Tropical Storm Harvey Forecast Advisory (Text)


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000
WTNT24 KNHC 180841
TCMAT4

TROPICAL STORM HARVEY FORECAST/ADVISORY NUMBER   4
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092017
0900 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

TROPICAL STORM CENTER LOCATED NEAR 13.1N  59.1W AT 18/0900Z
POSITION ACCURATE WITHIN  30 NM

PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT  16 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1004 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 13.1N  59.1W AT 18/0900Z
AT 18/0600Z CENTER WAS LOCATED NEAR 13.0N  58.3W

FORECAST VALID 18/1800Z 13.2N  61.7W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE   0SE   0SW  50NW.

FORECAST VALID 19/0600Z 13.5N  65.2W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 50NE   0SE   0SW  50NW.

FORECAST VALID 19/1800Z 13.9N  68.8W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 60NE  30SE  30SW  60NW.

FORECAST VALID 20/0600Z 14.1N  72.7W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE   0SE   0SW  30NW.
34 KT... 60NE  30SE  30SW  60NW.

FORECAST VALID 21/0600Z 15.0N  80.2W
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 22/0600Z 16.5N  86.5W
MAX WIND  60 KT...GUSTS  75 KT.

OUTLOOK VALID 23/0600Z 17.5N  90.0W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.1N  59.1W

NEXT ADVISORY AT 18/1500Z

$$
FORECASTER AVILA



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Page last modified: Friday, 18-Aug-2017 08:41:55 UTC