Hurricane Katrina

Forecast Advisory 23

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000
WTNT22 KNHC 281443
TCMAT2
HURRICANE KATRINA FORECAST/ADVISORY NUMBER 23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL122005
1500Z SUN AUG 28 2005

A HURRICANE WARNING IS IN EFFECT FOR THE NORTH CENTRAL GULF COAST
FROM MORGAN CITY LOUISIANA EASTWARD TO THE ALABAMA/FLORIDA
BORDER...INCLUDING THE CITY OF NEW ORLEANS AND LAKE PONTCHARTRAIN.
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. PREPARATIONS TO
PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION.

A TROPICAL STORM WARNING AND A HURRICANE WATCH ARE IN EFFECT FROM
EAST OF THE ALABAMA/FLORIDA BORDER TO DESTIN FLORIDA...AND FROM
WEST OF MORGAN CITY TO INTRACOASTAL CITY LOUISIANA. A TROPICAL
STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. A HURRICANE WATCH
MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS.

A TROPICAL STORM WARNING IS ALSO IN EFFECT FROM DESTIN FLORIDA
EASTWARD TO INDIAN PASS FLORIDA...AND FROM INTRACOASTAL CITY
LOUISIANA WESTWARD TO CAMERON LOUISIANA.

HURRICANE CENTER LOCATED NEAR 26.0N 88.1W AT 28/1500Z
POSITION ACCURATE WITHIN 10 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 907 MB
EYE DIAMETER 20 NM
MAX SUSTAINED WINDS 150 KT WITH GUSTS TO 185 KT.
64 KT....... 90NE 90SE 50SW 75NW.
50 KT.......120NE 120SE 75SW 100NW.
34 KT.......180NE 180SE 125SW 140NW.
12 FT SEAS..300NE 270SE 240SW 270NW.
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 26.0N 88.1W AT 28/1500Z
AT 28/1200Z CENTER WAS LOCATED NEAR 25.7N 87.7W

FORECAST VALID 29/0000Z 27.2N 88.9W
MAX WIND 145 KT...GUSTS 175 KT.
64 KT... 90NE 90SE 50SW 75NW.
50 KT...120NE 120SE 75SW 100NW.
34 KT...180NE 180SE 125SW 140NW.

FORECAST VALID 29/1200Z 29.1N 89.6W
MAX WIND 140 KT...GUSTS 170 KT.
64 KT... 90NE 90SE 50SW 75NW.
50 KT...120NE 120SE 75SW 100NW.
34 KT...180NE 180SE 125SW 140NW.

FORECAST VALID 30/0000Z 31.4N 89.5W
MAX WIND 85 KT...GUSTS 105 KT.
64 KT... 60NE 60SE 40SW 40NW.
50 KT... 90NE 90SE 60SW 60NW.
34 KT...140NE 140SE 100SW 100NW.

FORECAST VALID 30/1200Z 34.5N 88.5W...INLAND
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 75NE 75SE 50SW 50NW.

FORECAST VALID 31/1200Z 40.0N 84.0W...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 01/1200Z 45.0N 77.0W...EXTRATROPICAL
MAX WIND 25 KT...GUSTS 35 KT.

OUTLOOK VALID 02/1200Z 52.0N 69.0W...EXTRATROPICAL
MAX WIND 25 KT...GUSTS 35 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 26.0N 88.1W

NEXT ADVISORY AT 28/2100Z

FORECASTER PASCH


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