000
FZNT02 KNHC 180937
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT SEP 18.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 19.
48 HOUR FORECAST VALID 0600 UTC MON SEP 20.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IGOR NEAR 25.1N 62.8W 939 MB AT 0900 UTC SEP 18 
MOVING NW OR 310 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 95 KT 
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 300 NM NE...210 
NM SE...200 NM SW...AND 240 NM NW QUADRANTS. SEAS 12 FT OR 
GREATER WITHIN 600 NM N SEMICIRCLE...540 NM SE AND 480 NM SW 
QUADRANTS WITH SEAS TO 47 FT.
.24 HOUR FORECAST HURRICANE IGOR NEAR 27.8N 65.1W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS 
TO 47 FT. 
.48 HOUR FORECAST HURRICANE IGOR NEAR 32.2N 64.7W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 300 NM NE...250 NM SE...210 NM SW...AND 240 NM NW 
QUADRANTS. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 600 
SE AND 540 NM SW QUADRANTS WITH SEAS TO 32 FT OVER FORECAST 
WATERS.
.72 HOUR FORECAST HURRICANE IGOR NEAR 38.5N 58.5W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL EXTRATROPICAL IGOR NEAR 47.5N 
46.5W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST POST TROPICAL EXTRATROPICAL IGOR NEAR 51.5N 
39.5W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM JULIA NEAR 27.4N 50.1W 995 MB AT 0900 UTC SEP 18 
MOVING NW OR 320 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE...120 
NM SE...60 NM SW...AND 90 NM NW QUADRANTS. SEAS 12 FT OR GREATER 
WITHIN 300 NM OF CENTER EXCEPT 420 NM NE QUADRANT WITH SEAS TO 
31 FT.
.24 HOUR FORECAST TROPICAL STORM JULIA NEAR 32.3N 52.1W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE...90 NM SE...40 NM SW...AND 70 NM NW QUADRANTS. 
SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 300 NM S 
SEMICIRCLE WITH SEAS TO 18 FT OVER FORECAST WATERS.
.48 HOUR FORECAST TROPICAL DEPRESSION JULIA NEAR 36.0N 49.0W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.72 HOUR FORECAST POST TROPICAL REMNANT LOW JULIA NEAR 39.5N 
44.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...ABSORBED BY IGOR AS DESCRIBED IN WARNING 
ABOVE.

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN IGOR WARNING...OVER FORECAST WATERS N 
OF 19N BETWEEN 53W AND 72W WINDS 20 TO 33 KT. SEAS 10 TO 15 FT. 
FROM 15N TO 19N W OF 53W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 12 
FT. W OF 72W AND NE OF BAHAMAS WINDS LESS LESS THAN 20 KT. SEAS 
8 TO 14 FT PRIMARILY IN SE SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNING...OVER 
FORECAST WATERS N OF 19N BETWEEN 55W AND 77W WINDS 20 TO 33 KT. 
SEAS 10 TO 17 FT. W OF 77W NE WINDS TO 20 KT. SEAS 8 TO 14 FT 
PRIMARILY IN E SWELL. FROM 14N TO 19N W OF 55W WINDS LESS THAN
20 KT. SEAS 8 TO 11 FT PRIMARILY IN NE SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNING...OVER 
FORECAST WATERS N OF 25N BETWEEN 55W AND 76W WINDS 20 TO 33 KT. 
SEAS 10 TO 18 FT. N OF 25N W OF 76W N TO NE WINDS 20 KT. SEAS 10 
TO 16 FT IN E SWELL. FROM 22N TO 25N BETWEEN 55W AND 70W S TO SW 
WINDS 20 TO 30 KT. SEAS 10 TO 14 FT. ELSEWHERE N OF 17N W OF 55W 
WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT IN MIXED SWELL.

.ATLC EXCEPT AS NOTED IN JULIA WARNING...OVER FORECAST WATERS N 
OF 22N BETWEEN 40W AND 53W WINDS 20 TO 33 KT. SEAS 10 TO 15 FT. 
ELSEWHERE N OF 13N E OF 53W WINDS LESS THAN 20 KT. SEAS 8 TO 12 
FT IN MIXED SWELL.  
.24 HOUR FORECAST EXCEPT AS NOTED IN JULIA WARNING...OVER 
FORECAST WATERS N OF 24N BETWEEN 48W AND 55W WINDS 20 TO 33 KT. 
SEAS 10 TO 18 FT IN MIXED SWELL. ELSEWHERE N OF 14N E OF 55W...
EXCEPT N OF 27N E OF 40W...WINDS LESS THAN 20 KT. SEAS 8 TO 12 
FT IN MIXED SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED IN JULIA WARNING...OVER 
FORECAST WATERS N OF 29N BETWEEN 45W AND 55W S TO SW WINDS 20 TO 
25 KT. SEAS 8 TO 12 FT. FROM 22N TO 29N BETWEEN 45W AND 55W 
WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT IN MIXED SWELL.

.ATLC S OF 10N E OF 46W WINDS LESS THAN 20 KT. SEAS 8 FT 
PRIMARILY IN SE SWELL.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST LOW PRES 15N35W 1009 MB. WITHIN 210 NM NW 
QUADRANT WINDS 20 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 14N TO 22N 
E OF 50W WINDS LESS THAN 20 KT. SEAS 8 FT IN MIXED NE AND SE 
SWELL.

.GULF OF MEXICO TROPICAL DEPRESSION KARL INLAND NEAR 18.5N 97.6W 
1006 MB AT 0900 UTC SEP 18 MOVING WSW OR 250 DEG AT 3 KT. 
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 25 KT OVER LAND. N OF 22N W 
OF 90W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST TROPICAL DEPRESSION KARL DISSIPATED. N OF 25N 
W OF 90W E TO SE 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 LEWITSKY. TROPICAL PREDICTION CENTER.