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#1059548 (Received by flhurricane at: 10:56 AM 30.Aug.2021)
TCMAT4

TROPICAL STORM IDA FORECAST/ADVISORY NUMBER 18
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092021
1500 UTC MON AUG 30 2021

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

ALL WARNINGS HAVE BEEN DISCONTINUED FOR THE LOUISIANA COAST WEST
OF THE PEARL RIVER...INCLUDING LAKE PONTCHARTRAIN AND LAKE
MAUREPAS...AND METROPOLITAN NEW ORLEANS.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A STORM SURGE WARNING IS IN EFFECT FOR...
* MOUTH OF THE PEARL RIVER TO THE ALABAMA/FLORIDA BORDER

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* MOUTH OF THE PEARL RIVER TO THE ALABAMA/FLORIDA BORDER

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

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

TROPICAL STORM CENTER LOCATED NEAR 31.9N 90.7W AT 30/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 10 DEGREES AT 8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 40NE 170SE 40SW 30NW.
12 FT SEAS.. 0NE 180SE 0SW 0NW.
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 31.9N 90.7W AT 30/1500Z
AT 30/1200Z CENTER WAS LOCATED NEAR 31.5N 90.8W

FORECAST VALID 31/0000Z 33.1N 90.1W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 31/1200Z 34.5N 88.4W...INLAND
MAX WIND 25 KT...GUSTS 35 KT.

FORECAST VALID 01/0000Z 35.8N 85.9W...INLAND
MAX WIND 20 KT...GUSTS 30 KT.

FORECAST VALID 01/1200Z 37.5N 82.5W...POST-TROP/INLAND
MAX WIND 20 KT...GUSTS 30 KT.

FORECAST VALID 02/0000Z 38.9N 78.7W...POST-TROP/EXTRATROP
MAX WIND 20 KT...GUSTS 30 KT.

FORECAST VALID 02/1200Z 39.5N 75.7W...POST-TROP/EXTRATROP
MAX WIND 25 KT...GUSTS 35 KT.

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 03/1200Z 40.5N 70.5W...POST-TROP/EXTRATROP
MAX WIND 30 KT...GUSTS 40 KT.

OUTLOOK VALID 04/1200Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.9N 90.7W

INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 30/1800Z

NEXT ADVISORY AT 30/2100Z

$$
FORECASTER BROWN