000
WTNT21 KNHC 211441
TCMAT1
HURRICANE IGOR FORECAST/ADVISORY NUMBER  54
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL112010
1500 UTC TUE SEP 21 2010
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WATCH IS IN EFFECT FOR...
* THE COAST OF NEWFOUNDLAND FROM STONES COVE NORTHWARD AND EASTWARD
TO FOGO ISLAND
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE COAST OF NEWFOUNDLAND FROM BURGEO NORTHWARD AND EASTWARD
TO TRITON
* THE ISLANDS OF ST-PIERRE AND MIQUELON
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA WITHIN...IN THIS CASE WITHIN THE NEXT 6 TO
12 HOURS.
 
HURRICANE CENTER LOCATED NEAR 46.2N  52.8W AT 21/1500Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTHEAST OR  35 DEGREES AT  40 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  952 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 75NE  50SE  60SW  75NW.
50 KT.......200NE 200SE 150SW 120NW.
34 KT.......400NE 350SE 350SW 300NW.
12 FT SEAS..550NE 750SE 995SW 350NW.
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 46.2N  52.8W AT 21/1500Z
AT 21/1200Z CENTER WAS LOCATED NEAR 44.8N  53.8W
 
FORECAST VALID 22/0000Z 50.2N  49.4W...POST-TROP/EXTRATROP
MAX WIND  70 KT...GUSTS  85 KT.
64 KT...150NE 180SE 180SW 150NW.
50 KT...660NE 270SE 300SW 360NW.
34 KT...720NE 600SE 500SW 750NW.
 
FORECAST VALID 22/1200Z 55.3N  48.5W...POST-TROP/EXTRATROP
MAX WIND  70 KT...GUSTS  85 KT.
64 KT...350NE   0SE 180SW 150NW.
50 KT...420NE 270SE 270SW 240NW.
34 KT...450NE 650SE 570SW 720NW.
 
FORECAST VALID 23/0000Z 59.8N  51.6W...POST-TROP/EXTRATROP
MAX WIND  65 KT...GUSTS  80 KT.
64 KT...150NE   0SE   0SW   0NW.
50 KT...240NE 180SE 120SW 180NW.
34 KT...500NE 800SE 240SW 450NW.
 
FORECAST VALID 23/1200Z 62.7N  57.8W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.
50 KT...180NE 180SE   0SW   0NW.
34 KT...270NE 360SE 360SW 220NW.
 
FORECAST VALID 24/1200Z 63.5N  61.0W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.
34 KT...  0NE 150SE 240SW   0NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 200 NM
ON DAY 4 AND 250 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 25/1200Z 62.0N  60.5W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.
 
OUTLOOK VALID 26/1200Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 46.2N  52.8W
 
NEXT ADVISORY AT 21/2100Z
 
$$
FORECASTER BERG