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Tropical Storm ISAAC (Text)


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TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER  24
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092018
1500 UTC THU SEP 13 2018

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
* DOMINICA
* GUADELOUPE

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* ANTIGUA
* BARBUDA
* MONTSERRAT
* ST. KITTS AND NEVIS
* SABA AND ST. EUSTATIUS
* ST. MARTIN AND ST. MAARTEN

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA.

INTERESTS ELSEWHERE IN THE LEEWARD ISLANDS SHOULD MONITOR THE
PROGRESS OF ISAAC.

TROPICAL STORM CENTER LOCATED NEAR 14.9N  61.8W AT 13/1500Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE WEST OR 265 DEGREES AT  17 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT.......140NE   0SE   0SW 120NW.
12 FT SEAS..210NE 120SE  15SW 180NW.
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 14.9N  61.8W AT 13/1500Z
AT 13/1200Z CENTER WAS LOCATED NEAR 15.0N  61.0W

FORECAST VALID 14/0000Z 14.9N  64.2W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...100NE   0SE   0SW  90NW.

FORECAST VALID 14/1200Z 14.9N  67.0W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 90NE   0SE   0SW  80NW.

FORECAST VALID 15/0000Z 14.9N  69.8W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 80NE   0SE   0SW  80NW.

FORECAST VALID 15/1200Z 15.0N  72.3W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 70NE   0SE   0SW  70NW.

FORECAST VALID 16/1200Z 15.5N  76.5W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 60NE   0SE   0SW  60NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 17/1200Z 17.0N  80.5W
MAX WIND  30 KT...GUSTS  40 KT.

OUTLOOK VALID 18/1200Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.9N  61.8W

NEXT ADVISORY AT 13/2100Z

$$
FORECASTER BLAKE


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Page last modified: Monday, 31-Dec-2018 12:09:36 UTC