000
WTNT24 KNHC 272054
TCMAT4
 
HURRICANE IRENE FORECAST/ADVISORY NUMBER  30
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092011
2100 UTC SAT AUG 27 2011
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE HURRICANE WARNING HAS BEEN DISCONTINUED SOUTH OF CAPE FEAR NORTH
CAROLINA.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* CAPE FEAR NORTH CAROLINA NORTHWARD TO SAGAMORE BEACH
MASSACHUSETTS...INCLUDING THE PAMLICO...ALBEMARLE...AND CURRITUCK
SOUNDS...DELAWARE BAY...CHESAPEAKE BAY SOUTH OF DRUM POINT...NEW
YORK CITY...LONG ISLAND...LONG ISLAND SOUND...COASTAL CONNECTICUT
AND RHODE ISLAND...BLOCK ISLAND...MARTHAS VINEYARD AND NANTUCKET
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* CHESAPEAKE BAY FROM DRUM POINT NORTHWARD AND THE TIDAL POTOMAC
* NORTH OF SAGAMORE BEACH TO EASTPORT MAINE
* UNITED STATES/CANADA BORDER NORTHEASTWARD TO FORT LAWRENCE
INCLUDING GRAND MANAN
* SOUTH COAST OF NOVA SCOTIA FROM FORT LAWRENCE TO PORTERS LAKE
 
INTERESTS ELSEWHERE IN EASTERN CANADA SHOULD MONITOR THE PROGRESS OF
IRENE.
 
HURRICANE CENTER LOCATED NEAR 36.2N  76.0W AT 27/2100Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR  15 DEGREES AT  11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  950 MB
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 KT.
64 KT....... 75NE  75SE  35SW  35NW.
50 KT.......120NE 120SE  80SW  60NW.
34 KT.......250NE 250SE 150SW 125NW.
12 FT SEAS..360NE 420SE 180SW   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 36.2N  76.0W AT 27/2100Z
AT 27/1800Z CENTER WAS LOCATED NEAR 35.5N  76.3W
 
FORECAST VALID 28/0600Z 38.1N  75.1W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 75NE  75SE  35SW  35NW.
50 KT...120NE 120SE  80SW  60NW.
34 KT...250NE 250SE 150SW 125NW.
 
FORECAST VALID 28/1800Z 41.7N  73.2W...INLAND
MAX WIND  60 KT...GUSTS  75 KT.
50 KT...120NE 120SE  80SW  50NW.
34 KT...250NE 250SE 150SW 100NW.
 
FORECAST VALID 29/0600Z 46.2N  70.2W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...250NE 270SE  60SW  75NW.
 
FORECAST VALID 29/1800Z 50.7N  66.3W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...300NE 300SE 200SW   0NW.
 
FORECAST VALID 30/1800Z 56.5N  53.5W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.
34 KT...240NE 360SE 360SW 180NW.
 
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 31/1800Z 59.0N  37.0W...POST-TROP/EXTRATROP
MAX WIND  35 KT...GUSTS  45 KT.
 
OUTLOOK VALID 01/1800Z 61.0N  26.0W...POST-TROP/EXTRATROP
MAX WIND  35 KT...GUSTS  45 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 36.2N  76.0W
 
NEXT ADVISORY AT 28/0300Z
 
$$
FORECASTER BROWN