Tropical Depression 9 Forms

TROPICAL DEPRESSION NINE FORECAST/ADVISORY NUMBER   1
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092021
1500 UTC THU AUG 26 2021

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF THE CAYMAN ISLANDS HAS ISSUED A TROPICAL STORM
WARNING FOR THE CAYMAN ISLANDS...INCLUDING GRAND CAYMAN...LITTLE
CAYMAN...AND CAYMAN BRAC.

THE GOVERNMENT OF CUBA HAS ISSUED A TROPICAL STORM WARNING FOR THE
CUBAN PROVINCES OF MATANZAS...MAYABEQUE...HAVANA...ARTEMISA...PINAR
DEL RIO...AND THE ISLE OF YOUTH.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* CAYMAN ISLANDS
* CUBAN PROVINCES OF MATANZAS...MAYABEQUE...HAVANA...ARTEMISA... 
PINAR DEL RIO...AND THE ISLE OF YOUTH

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

INTERESTS ELSEWHERE IN CENTRAL AND WESTERN CUBA...IN THE NORTHERN
YUCATAN PENINSULA...AND ALONG THE NORTHERN U.S. GULF COAST SHOULD
MONITOR THE PROGRESS OF THIS SYSTEM.

TROPICAL DEPRESSION CENTER LOCATED NEAR 16.9N  79.2W AT 26/1500Z
POSITION ACCURATE WITHIN  40 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT  11 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS  30 KT WITH GUSTS TO  40 KT.
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 16.9N  79.2W AT 26/1500Z
AT 26/1200Z CENTER WAS LOCATED NEAR 16.4N  79.0W

FORECAST VALID 27/0000Z 18.2N  80.4W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 60NE  40SE   0SW  60NW.

FORECAST VALID 27/1200Z 20.3N  82.0W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 80NE  50SE  20SW  60NW.

FORECAST VALID 28/0000Z 22.5N  83.9W...OVER WESTERN CUBA
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE   0SE   0SW   0NW.
34 KT... 90NE  60SE  40SW  70NW.

FORECAST VALID 28/1200Z 24.4N  86.0W...OVER SOUTHEASTERN GULF
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  20SE   0SW  20NW.
50 KT... 40NE  40SE  30SW  40NW.
34 KT...110NE  80SE  60SW  90NW.

FORECAST VALID 29/0000Z 26.1N  88.1W
MAX WIND  80 KT...GUSTS 100 KT.
50 KT... 50NE  50SE  30SW  50NW.
34 KT...130NE 110SE  60SW 110NW.

FORECAST VALID 29/1200Z 27.7N  90.0W
MAX WIND  95 KT...GUSTS 115 KT.
50 KT... 50NE  50SE  30SW  50NW.
34 KT...140NE 130SE  70SW 120NW.

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 30/1200Z 30.5N  92.0W...INLAND
MAX WIND  70 KT...GUSTS  85 KT.

OUTLOOK VALID 31/1200Z 33.7N  91.2W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.9N  79.2W

INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 26/1800Z

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