000
FZNT02 KNHC 192145
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN SEP 19 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS
 
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

PAN PAN

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC SUN SEP 19.
24 HOUR FORECAST VALID 1800 UTC MON SEP 20.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 21.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IGOR NEAR 31.5N 65.9W 951 MB AT 2100 UTC SEP 19
MOVING N OR 355 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 70 KT
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 300 NM N 
SEMICIRCLE...275 NM SE AND 200 NM SW QUADRANTS. SEAS 12 FT OR 
GREATER WITHIN 570 NM NW AND SE QUADRANTS...600 NM NE AND 540 NM 
SW QUADRANTS WITH SEAS TO 40 FT.
.24 HOUR FORECAST HURRICANE IGOR NEAR 36.9N 62.8W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 330 NM N SEMICIRCLE...300 NM SE QUADRANT AND 225 NM SW 
QUADRANT. SEAS 12 FT GREATER WITHIN 600 NM SE QUADRANT AND 
ELSEWHERE WITHIN 480 NM OF CENTER WITH HIGHEST SEAS 37 FT NE OF 
CENTER.
.48 HOUR FORECAST POST TROPICAL EXTRATROPICAL LOW OF IGOR NEAR 
45.0N 52.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL 
STORM FORCE WINDS WITHIN 325 NM NW AND SE QUADRANTS...400 NM NE 
AND 375 NM SW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 300 N AND 
600 NM S SEMICIRCLES. SEAS TO 37 FT.
.72 HOUR FORECAST POST TROPICAL EXTRATROPICAL LOW OF IGOR NEAR 
51.0N 41.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL EXTRATROPICAL LOW OF IGOR NEAR 
55.0N 37.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST POST TROPICAL EXTRATROPICAL LOW OF IGOR NEAR 
60.0N 37.5W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN IGOR WARNING...OVER FORECAST WATERS N 
OF 20N BETWEEN 55W AND 80W NE OF BAHAMAS WINDS 20 TO 33 KT. SEAS 
9 TO 16 FT IN MIXED SWELL. N OF 28N BETWEEN 44W AND 55W S TO SW 
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE NW OF LINE 31N40W 
TO 17N62W S WINDS 20 KT. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 55W AND 72W WINDS 20 TO 30 
KT. SEAS 10 TO 20 FT IN MIXED SWELL. ELSEWHERE NW OF LINE 31N45W 
TO 19N68W...EXCEPT SW OF BAHAMA CHAIN...WINDS LESS THAN 20 KT. 
SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST NW OF LINE 31N40W TO 18N62W...EXCEPT SW OF 
BAHAMA CHAIN...WINDS LESS THAN 20 KT. SEAS 8 TO 15 FT IN MIXED 
SWELL...HIGHEST SE OF BERMUDA.

.ATLC LOW PRES E OF AREA NEAR 15N31W 1008 MB. FROM 14N TO 25N E 
OF 43W NE WINDS 20 KT. SEAS TO 10 FT IN NE SWELL. ELSEWHERE FROM 
13N TO 25N E OF 45W WINDS LESS THAN 20 KT. SEAS TO 8 FT 
PRIMARILY IN NE SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...E OF 
AREA NEAR 16N34W 1008 MB. FROM 15N TO 22N E OF 40W NE WINDS 20 
KT. SEAS TO 9 FT. ELSEWHERE FROM 12N TO 23N E OF 50W WINDS LESS 
THAN 20 KT. SEAS TO 8 FT PRIMARILY IN NE SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17N35W 1008 MB. FROM 14N TO 22N E OF 40W N TO NE WINDS 20 KT. 
SEAS TO 9 FT.

.ATLC TROUGH 07N54W TO 16N48W. N OF 10N WITHIN 180 NM W OF 
TROUGH NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROUGH 07N57W TO 16N54W. LITTLE CHANGE.
.48 HOUR FORECAST TROUGH 09N60W TO 15N55W. N OF 12 WITHIN 120 NM 
OF TROUGH NE TO E WINDS 20 KT. SEAS LESS THAN 8 FT. 

.GULF OF MEXICO N OF 23N W OF 90W E WINDS 20 KT. SEAS TO 8 FT. S 
OF 25N E OF 82W NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.
 
.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

$$
.FORECASTER NELSON. TROPICAL PREDICTION CENTER.