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#1058868 (Received by flhurricane at: 10:50 AM 27.Aug.2021)
TCMAT4

TROPICAL STORM IDA FORECAST/ADVISORY NUMBER 5
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092021
1500 UTC FRI AUG 27 2021

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF CUBA HAS REPLACE THE TROPICAL STORM WARNING WITH
A HURRICANE WARNING FOR THE ISLE OF YOUTH...AND THE CUBAN PROVINCES
OF PINAR DEL RIO AND ARTEMISA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* CUBAN PROVINCES OF PINAR DEL RIO AND ARTEMISA...AND THE ISLE OF
YOUTH

A STORM SURGE WATCH IS IN EFFECT FOR...
* SABINE PASS TO ALABAMA/FLORIDA BORDER
* VERMILION BAY...LAKE BORGNE...LAKE PONTCHARTRAIN...LAKE
MAUREPAS...AND MOBILE BAY

A HURRICANE WATCH IS IN EFFECT FOR...
* CAMERON...LOUISIANA TO THE MISSISSIPPI/ALABAMA BORDER
* LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* LITTLE CAYMAN AND CAYMAN BRAC
* CUBAN PROVINCES OF MATANZAS...MAYABEQUE...AND HAVANA

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* MISSISSIPPI/ALABAMA BORDER TO THE ALABAMA/FLORIDA BORDER.

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 12
HOURS.

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

A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE-
THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE
COASTLINE...IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS.
FOR A DEPICTION OF AREAS AT RISK...PLEASE SEE THE NATIONAL WEATHER
SERVICE STORM SURGE WATCH/WARNING GRAPHIC...AVAILABLE AT
HURRICANES.GOV.

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

INTERESTS ELSEWHERE IN CENTRAL AND WESTERN CUBA AND ELSEWHERE ALONG
THE NORTHERN U.S. GULF COAST SHOULD MONITOR THE PROGRESS OF THIS
SYSTEM. HURRICANE WARNINGS WILL LIKELY BE REQUIRED FOR PORTIONS OF
THE NORTHERN GULF COAST LATER TODAY. INTERESTS IN THE DRY TORTUGAS
SHOULD ALSO MONITOR THE PROGRESS OF IDA.

TROPICAL STORM CENTER LOCATED NEAR 20.7N 82.1W AT 27/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT 13 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB
MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT.
50 KT....... 30NE 0SE 0SW 0NW.
34 KT....... 80NE 60SE 0SW 60NW.
12 FT SEAS.. 75NE 75SE 30SW 15NW.
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 20.7N 82.1W AT 27/1500Z
AT 27/1200Z CENTER WAS LOCATED NEAR 20.3N 81.7W

FORECAST VALID 28/0000Z 22.2N 83.7W...OVER WESTERN CUBA
MAX WIND 65 KT...GUSTS 80 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 90NE 80SE 40SW 80NW.

FORECAST VALID 28/1200Z 24.0N 85.8W...OVER THE SOUTHEASTERN GULF
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 20NE 15SE 0SW 15NW.
50 KT... 40NE 30SE 20SW 30NW.
34 KT...100NE 80SE 50SW 90NW.

FORECAST VALID 29/0000Z 25.9N 87.8W
MAX WIND 90 KT...GUSTS 110 KT.
64 KT... 25NE 20SE 15SW 20NW.
50 KT... 50NE 40SE 30SW 40NW.
34 KT...110NE 90SE 60SW 100NW.

FORECAST VALID 29/1200Z 27.6N 89.7W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 30NE 20SE 20SW 20NW.
50 KT... 50NE 40SE 40SW 40NW.
34 KT...120NE 110SE 70SW 100NW.

FORECAST VALID 30/0000Z 29.0N 90.8W
MAX WIND 105 KT...GUSTS 130 KT.
50 KT... 50NE 50SE 40SW 40NW.
34 KT...110NE 110SE 70SW 90NW.

FORECAST VALID 30/1200Z 30.3N 91.3W...INLAND
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 30NE 30SE 0SW 20NW.
34 KT... 70NE 90SE 60SW 50NW.

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 31/1200Z 33.3N 90.2W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

OUTLOOK VALID 01/1200Z 35.2N 87.1W...POST-TROP/REMNT LOW
MAX WIND 20 KT...GUSTS 30 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.7N 82.1W

INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 27/1800Z

NEXT ADVISORY AT 27/2100Z

$$
FORECASTER BROWN