000
FZNT02 KNHC 200859
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED SEP 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC WED SEP 20
24 HOUR FORECAST VALID 0600 UTC THU SEP 21
48 HOUR FORECAST VALID 0600 UTC FRI SEP 22

.WARNINGS...
...HURRICANE WARNING...
.HURRICANE HELENE NEAR 25.3N 55.4W 958 MB AT 0900 UTC SEP 20
MOVING NW OR 305 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 95 KT
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 175 NM OF CENTER
EXCEPT 150 NM SW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 375 NM
NE QUADRANT...300 NM SE QUADRANT...225 NM SW QUADRANT...AND 350
NM NW QUADRANT WITH SEAS TO 36 FT.
.24 HOUR FORECAST HURRICANE HELENE NEAR 28.6N 56.9W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM E SEMICIRCLE...140 NM SW QUADRANT AND 175 NM NW 
QUADRANT. SEAS 12 FT OR GREATER 400 NM N SEMICIRCLE AND 280 NM S 
SEMICIRCLE WITH SEAS TO 38 FT.
.48 HOUR FORECAST HURRICANE HELENE NEAR 33.9N 55.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM NE QUADRANT...225 NM SE QUADRANT...125 NM SW
QUADRANT...AND 175 NM NW QUADRANT. SEAS 12 FT OR GREATER 340 NM 
N SEMICIRCLE AND 250 NM S SEMICIRCLE WITH SEAS TO 35 FT.
.72 HOUR FORECAST HURRICANE HELENE NEAR 39.7N 48.0W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE HELENE BECOMING EXTRATROPICAL NEAR
45.0N 38.0W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST EXTRATROPICAL LOW HELENE NEAR 49.0N 29.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.

.SYNOPSIS AND FORECAST.
.ATLC...EXCEPT AS NOTED IN WARNINGS. WITHIN 360 NM N SEMICIRCLE 
AND 300 NM S SEMICIRCLE WINDS 20 TO 33 KT SEAS 8 TO 12 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS. WITHIN 420 NM E 
SEMICIRCLE AND 300 NM W SEMICIRCLE WINDS 20 TO 33 KT SEAS 8 TO 
12 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS. OVER FORECAST 
WATERS WITHIN 480 NM SE QUADRANT AND 420 NM SW QUADRANT WINDS 20 
TO 33 KT SEAS 8 TO 12 FT.

.ATLC COLD FRONT OFF GEORGIA COAST. N OF 28N WITHIN 360 NM E OF 
FRONT SW WIND 20 KT SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST COLD FRONT 31N69W 25N80W. WINDS LESS THAN 20 
KT. SEE FORECAST FOR HELENE FOR SEAS.

.ATLC 24 HOUR FORECAST TROPICAL WAVE ALONG 32W. FROM 14N TO 20N 
E OF 38W NE TO E WIND TO 20 KT SEAS TO 8 FT.  
.48 HOUR FORECAST TROPICAL WAVE ALONG 37W. FROM 14N TO 20N E OF 
42W NE TO E WINDS 20 KT SEAS TO 8 FT.

.CARIBBEAN S OF 14N FROM 70W TO 75W E WIND TO 20 KT SEAS LESS 
THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 42 HOUR FORECAST N OF 25N W OF 93W S WINDS 20 KT 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST W OF 90W SE TO S WINDS 20 KT SEAS LESS THAN 8 
FT.

.REMAINDER OF AREA WINDS LESS THAN 20 KT SEAS LESS THAN 8 FT.

$$
FORECASTER LL
TROPICAL ANALYSIS AND FORECAST BRANCH
TROPICAL PREDICTION CENTER