000
FZNT02 KNHC 181609
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON SEP 18
24 HOUR FORECAST VALID 1200 UTC TUE SEP 19
48 HOUR FORECAST VALID 1200 UTC WED SEP 20

.WARNINGS...
...HURRICANE WARNING...
.HURRICANE HELENE NEAR 23.2N 50.2W 954 MB AT 1500 UTC SEP 18
MOVING NW OR 320 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 110 KT
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 175 NM NE
QUADRANT...150 NM SE QUADRANT...100 NM SW QUADRANT...AND 125 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 200 NM S SEMICIRCLE
...275 NM NE QUADRANT AND 250 NM NW QUADRANT WITH SEAS TO 38 FT.
.24 HOUR FORECAST HURRICANE HELENE NEAR 24.3N 52.8W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS. SEAS 12 FT OR GREATER WITHIN 300 
N SEMICIRCLE AND 240 NM S SEMICIRCLE WITH SEAS TO 40 FT.
.48 HOUR FORECAST HURRICANE HELENE NEAR 24.5N 56.0W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM NE QUADRANT...175 NM SE QUADRANT...125 NM SW
QUADRANT...AND 150 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
360 NM N SEMICIRCLE AND 240 NM S SEMICIRCLE WITH SEAS TO 39 FT.
.72 HOUR FORECAST HURRICANE HELENE NEAR 27.0N 58.0W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE HELENE NEAR 29.5N 59.5W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE HELENE NEAR 31.5N 60.5W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.

.SYNOPSIS AND FORECAST.
.ATLC...EXCEPT AS NOTED IN WARNINGS...WITHIN 480 NM N SEMICIRCLE
...360 NM SE QUADRANT...AND 180 NM SW QUADRANT WINDS 20 TO 33 
KT SEAS 8 TO 12 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...WITHIN 540 NM 
N SEMICIRCLE AND 300 NM S SEMICIRCLE WINDS 20 TO 33 KT SEAS 8 TO 
12 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...WITHIN 540 NM 
N SEMICIRCLE AND 360 NM S SEMICIRCLE WINDS 20 TO 33 KT SEAS 8 TO 
12 FT.

.CARIBBEAN FROM 11N TO 15N BETWEEN 70W AND 80W E WINDS TO 20 KT 
SEAS TO 8 FT.
.24 HOUR FORECAST FROM 12N TO 15N BETWEEN 70W AND 80W E WINDS
TO 20 KT SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO N OF 25N W OF 90W AND ALSO S OF 25N W OF 94W
S TO SW WINDS TO 20 KT SEAS LESS THAN 8 FT. WINDS AND SEAS
HIGHER IN SCATTERED TSTMS N OF 25N W OF 92W.
.06 HOUR FORECAST COLD FRONT ALONG TEXAS COAST. N OF 26N WITHIN 
240 NM E OF FRONT SW WINDS TO 20 KT SEAS LESS THAN 8 FT. WINDS 
AND SEAS HIGHER IN AND SCATTERED TSTMS ALONG AND WITHIN 200 NM
E OF FRONT.
.24 HOUR FORECAST COLD FRONT 30N89W 26N98W. N OF 27N WITHIN 240 
NM E OF FRONT SW WINDS TO 20 KT SEAS LESS THAN 8 FT. NW OF FRONT 
N TO NE WINDS TO 20 KT SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT 28N82W 25N89W 23N97W. N OF FRONT 
BETWEEN 85W AND 90W NW TO N WINDS TO 20 KT SEAS LESS THAN 8 FT. 
ELSEWHERE N OF FRONT BETWEEN 90W AND 95W N TO NE WINDS TO 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