000
WTNT24 KNHC 242052
TCMAT4
 
HURRICANE IRENE FORECAST/ADVISORY NUMBER  18
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092011
2100 UTC WED AUG 24 2011
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* THE SOUTHEASTERN...CENTRAL...AND NORTHWESTERN BAHAMAS
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE TURKS AND CAICOS ISLANDS
 
INTERESTS FROM THE CAROLINAS NORTHWARD THROUGH NEW ENGLAND
SHOULD MONITOR THE PROGRESS OF IRENE.
 
HURRICANE CENTER LOCATED NEAR 23.1N  74.7W AT 24/2100Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT  10 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  954 MB
EYE DIAMETER  20 NM
MAX SUSTAINED WINDS 105 KT WITH GUSTS TO 130 KT.
64 KT....... 50NE  45SE  25SW  40NW.
50 KT.......100NE  70SE  50SW  80NW.
34 KT.......200NE 180SE 100SW 150NW.
12 FT SEAS..320NE 270SE  90SW 300NW.
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 23.1N  74.7W AT 24/2100Z
AT 24/1800Z CENTER WAS LOCATED NEAR 22.7N  74.3W
 
FORECAST VALID 25/0600Z 24.3N  75.8W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 50NE  45SE  25SW  40NW.
50 KT...100NE  70SE  50SW  80NW.
34 KT...200NE 180SE 100SW 150NW.
 
FORECAST VALID 25/1800Z 26.1N  76.8W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 50NE  45SE  25SW  40NW.
50 KT...100NE  70SE  50SW  80NW.
34 KT...200NE 180SE 100SW 150NW.
 
FORECAST VALID 26/0600Z 28.2N  77.3W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 60NE  50SE  30SW  50NW.
50 KT...100NE  80SE  60SW  80NW.
34 KT...200NE 180SE 125SW 160NW.
 
FORECAST VALID 26/1800Z 30.1N  77.3W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT...100NE  80SE  60SW  80NW.
34 KT...200NE 200SE 125SW 160NW.
 
FORECAST VALID 27/1800Z 34.3N  75.8W
MAX WIND 100 KT...GUSTS 120 KT.
50 KT...100NE 100SE  60SW  80NW.
34 KT...225NE 225SE 140SW 140NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 28/1800Z 39.5N  73.0W
MAX WIND  85 KT...GUSTS 105 KT.
 
OUTLOOK VALID 29/1800Z 47.0N  69.0W...POST-TROP/EXTRATROP
MAX WIND  55 KT...GUSTS  65 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.1N  74.7W
 
NEXT ADVISORY AT 25/0300Z
 
$$
FORECASTER BROWN