Hurricane Ida

Forecast Advisory 21

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000
WTNT21 KNHC 090251
TCMAT1
HURRICANE IDA FORECAST/ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009
0300 UTC MON NOV 09 2009

AT 900 PM CST...0300 UTC...A HURRICANE WARNING HAS BEEN ISSUED FOR
THE NORTHERN GULF COAST FROM PASCAGOULA MISSISSIPPI EASTWARD TO
INDIAN PASS FLORIDA. A HURRICANE WARNING MEANS THAT HURRICANE
CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 24
HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED
TO COMPLETION.

AT 900 PM CST...0300 UTC...A TROPICAL STORM WARNING AND A HURRICANE
WATCH ARE IN EFFECT FOR THE NORTHERN GULF COAST FROM GRAND ISLE
LOUISIANA EASTWARD TO WEST OF PASCAGOULA MISSISSIPPI...INCLUDING
NEW ORLEANS AND LAKE PONTCHARTRAIN. A TROPICAL STORM WARNING MEANS
THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE
WARNING AREA WITHIN 24 HOURS. A HURRICANE WATCH MEANS THAT
HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY
WITHIN 36 HOURS.

AT 900 PM CST...0300 UTC...A TROPICAL STORM WARNING HAS BEEN ISSUED
FOR THE NORTHERN GULF COAST FROM EAST OF INDIAN PASS TO AUCILLA
RIVER FLORIDA.

AT 900 PM CST...0300 UTC...THE GOVERNMENT OF CUBA HAS DISCONTINUED
ALL WATCHES AND WARNINGS FOR CUBA.

HURRICANE CENTER LOCATED NEAR 23.7N 86.7W AT 09/0300Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT 12 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 979 MB
MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT.
64 KT....... 30NE 15SE 15SW 15NW.
50 KT....... 60NE 30SE 30SW 30NW.
34 KT.......150NE 100SE 45SW 90NW.
12 FT SEAS..200NE 90SE 45SW 200NW.
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 23.7N 86.7W AT 09/0300Z
AT 09/0000Z CENTER WAS LOCATED NEAR 23.0N 86.5W

FORECAST VALID 09/1200Z 25.8N 87.5W
MAX WIND 85 KT...GUSTS 105 KT.
64 KT... 30NE 20SE 15SW 20NW.
50 KT... 60NE 40SE 30SW 40NW.
34 KT...160NE 100SE 60SW 100NW.

FORECAST VALID 10/0000Z 28.5N 87.7W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 30NE 20SE 15SW 25NW.
50 KT... 60NE 50SE 30SW 50NW.
34 KT...160NE 125SE 75SW 125NW.

FORECAST VALID 10/1200Z 30.5N 87.1W...INLAND
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 25NE 20SE 15SW 20NW.
50 KT... 50NE 60SE 50SW 45NW.
34 KT...140NE 150SE 90SW 115NW.

FORECAST VALID 11/0000Z 31.2N 85.8W...EXTRATROPICAL INLAND
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 125SE 90SW 45NW.

FORECAST VALID 12/0000Z 30.5N 82.0W...EXTRATROPICAL INLAND
MAX WIND 30 KT...GUSTS 40 KT.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM
ON DAY 4 AND 325 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 13/0000Z...ABSORBED BY FRONT

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.7N 86.7W

NEXT ADVISORY AT 09/0900Z

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FORECASTER BROWN/BERG