000
FZNT02 KNHC 220321
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI SEP 22 2006
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

PAN PAN 

ATLANTIC FROM 7N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC FRI SEP 22
24 HOUR FORECAST VALID 0000 UTC SAT SEP 23
48 HOUR FORECAST VALID 0000 UTC SUN SEP 24

...HURRICANE WARNING...
.HURRICANE HELENE NEAR 31.8N 56.3W 970 MB AT 0300 UTC SEP 22
MOVING NNE OR 015 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM S
SEMICIRCLE...180 NM NE QUADRANT AND 175 NM NW QUADRANT. SEAS 12
FT OR GREATER WITHIN 350 NM W SEMICIRCLE...400 NM NE QUADRANT
AND 300 NM SE QUADRANT WITH SEAS TO 36 FT.
.24 HOUR FORECAST HURRICANE HELENE N OF AREA NEAR 36.3N 51.2W. 
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE 
WINDS WITHIN 200 NM E SEMICIRCLE AND 175 NM W SEMICIRCLE. SEAS 
12 FT OR GREATER WITHIN 420 NM N SEMICIRCLE AND 360 NM S 
SEMICIRCLE WITH SEAS TO 36 FT.
.48 HOUR FORECAST HURRICANE HELENE BECOMING EXTRATROPICAL WELL
N OF AREA NEAR 41.7N 40.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 
80 KT. TROPICAL STORM FORCE WINDS WITHIN 225 NM OF CENTER EXCEPT 
200 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 420 NM OF CENTER
WITH SEAS TO 30 FT.
.72 HOUR FORECAST EXTRATROPICAL LOW HELENE NEAR 47.0N 30.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST EXTRATROPICAL LOW HELENE NEAR 51.5N 23.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST EXTRATROPICAL LOW HELENE NEAR 58.0N 17.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

.SYNOPSIS AND FORECAST.
.ATLC...EXCEPT AS NOTED IN WARNINGS...OVER FORECAST WATERS 
WITHIN 420 NM OF CENTER WINDS 20 TO 33 KT SEAS 8 TO 12 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...OVER FORECAST 
WATERS WITHIN 540 NM S SEMICIRCLE WINDS 20 TO 33 KT SEAS 8 TO 12 
FT.
.48 HOUR FORECAST CONDITIONS MOVE N OF AREA.

.ATLC DISSIPATING COLD FRONT 31N65W 26N80W. N OF 27N WITHIN 180 
NM E OF FRONT SW WINDS TO 20 KT SEAS LESS THAN 8 FT. NW OF FRONT
E OF 72W N WINDS TO 20 KT SEAS TO 8 FT IN NE SWELL.
.24 HOUR FORECAST FRONTAL TROUGH 31N56W 25N75W. NW OF TROUGH W TO
68W N TO NE WINDS TO 20 KT SEAS 8 TO 10 FT IN N S SWELL. FOR
CONDITIONS E OF TROUGH SEE PARAGRAPH ABOVE UNDER EXCEPT AS NOTED 
IN WARNINGS.
.48 HOUR FORECAST TROUGH 31N44W 25N60W. N OF 28N W OF TROUGH 
TO 60W N TO NE WINDS TO 20 KT SEAS 8 TO 12 FT IN N AND NE 
SWELL. ELSEWHERE W OF TROUGH TO 56W WINDS LESS THAN 20 KT SEAS
TO 8 FT PRIMARILY IN NE SWELL.

.ATLC FROM 15N TO 20N E OF 37W NE WINDS TO 20 KT SEAS TO 8 FT.
.24 HOUR FORECAST TROPICAL WAVE S OF 22N ALONG 40W WITH LOW PRES 
NEAR 14N40W 1010 MB. FROM 15N TO 22N WITHIN 180 NM W OF WAVE NE 
WINDS TO 20 KT SEAS TO 8 FT. FROM 15N TO 22N E OF WAVE E TO SE 
WINDS 20 KT SEAS TO 9 FT.
.48 HOUR FORECAST TROPICAL WAVE S OF 27N ALONG 43W WITH LOW PRES 
NEAR 18N43W 1011 MB. FROM 20N TO 25N WITHIN 120 NM W OF WAVE NE 
WINDS TO 20 KT SEAS TO 9 FT. FROM 17N TO 27N WITHIN 180 NM E OF 
WAVE E TO SE WINDS 20 TO 25 KT SEAS 8 TO 10 FT.

.CARIBBEAN FROM 11N TO 14N BETWEEN 70W AND 78W E WINDS TO 20 KT 
SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 77W NE TO E
WINDS TO 20 KT SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO N OF 25N W OF 90W S WINDS TO 20 KT SEAS LESS 
THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 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 AGUIRRE
TROPICAL ANALYSIS AND FORECAST BRANCH
TROPICAL PREDICTION CENTER