000
FZNT02 KNHC 191601
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE SEP 19
24 HOUR FORECAST VALID 1200 UTC WED SEP 20
48 HOUR FORECAST VALID 1200 UTC THU SEP 21

.WARNINGS...
...HURRICANE WARNING...
.HURRICANE HELENE NEAR 24.6N 52.9W 960 MB AT 1500 UTC SEP 19
MOVING WNW OR 285 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 100 KT
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM NE 
QUADRANT...150 NM SE QUADRANT...125 NM SW QUADRANT...AND 175 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 375 NM E SEMICIRCLE
...240 NM SW QUADRANT AND 330 NM NW QUADRANT WITH SEAS TO 38 FT.
.24 HOUR FORECAST HURRICANE HELENE NEAR 25.9N 55.7W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM NE QUADRANT...160 NM SE QUADRANT...130 NM SW
QUADRANT...AND 175 NM NW QUADRANT. SEAS 12 FT OR GREATER
WITHIN 360 NM NE SEMICIRCLE AND 300 NM SW SEMICIRCLE WITH SEAS
TO 41 FT.
.48 HOUR FORECAST HURRICANE HELENE NEAR 29.7N 56.7W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 225 NM NE QUADRANT...190 NM SE QUADRANT...160 NM SW
QUADRANT...AND 175 NM NW QUADRANT. SEAS 12 FT OR GREATER
WITHIN 360 NM OF CENTER OVER FORECAST WATERS WITH SEAS TO 36 FT.
.72 HOUR FORECAST HURRICANE HELENE NEAR 35.0N 55.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE HELENE NEAR 39.5N 49.5W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE HELENE NEAR 45.0N 40.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.

.SYNOPSIS AND FORECAST.
.ATLC...EXCEPT AS NOTED IN WARNINGS...WITHIN 420 NM N SEMICIRCLE 
AND 360 NM S SEMICIRCLE WINDS 20 TO 33 KT SEAS 8 TO 12 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...WITHIN 420 NM
OF CENTER WINDS 20 TO 33 KT SEAS 8 TO 12 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...OVER FORECAST 
WATERS WITHIN 540 NM NW SEMICIRCLE AND 420 NM SE SEMICIRCLE WINDS
20 TO 33 KT SEAS 8 TO 12 FT.

.ATLC 18 HOUR FORECAST COLD FRONT 31N80W 29N81W. N OF 28N WITHIN 
360 NM E OF FRONT SW WIND TO 20 KT SEAS LESS THAN 8 FT. NW OF
FRONT W TO NW WINDS TO 20 KT SEAS LESS THAN 8 FT. WINDS AND
SEAS HIGHER IN SCATTERED SHOWERS AND TSTMS ALONG AND WITHIN
200 NM E OF FRONT.
.24 HOUR FORECAST COLD FRONT 31N76W 28N80W. N OF 26N WITHIN 240 
NM E OF FRONT SW WINDS 20 KT SEAS TO 8 FT. W OF FRONT W TO NW 
WINDS TO 20 KT SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT 31N69W 25N80W. N OF 27N WITHIN 180 
NM E OF FRONT SW WINDS 20 KT SEAS TO 9 FT IN MERGING E AND SW
SWELL.

.CARIBBEAN S OF 14N BETWEEN 70W AND 75W E WINDS TO 20 KT SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST S OF 15N BETWEEN 68W AND 75W E WINDS 20 KT 
SEAS TO 8 FT.

.GULF OF MEXICO COLD FRONT 30N87W 28N91W 25N98W. NW OF FRONT E OF
92W NW WINDS TO 20 KT SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT 28N83W 26N90W 22N98W. N OF FRONT
BETWEEN 85W AND 90W NW TO N WINDS TO 20 KT SEAS LESS THAN 8 FT.
.36 HOUR FORECAST COLD FRONT WEAKENING 25N80W 25N90W. WINDS LESS
THAN 20 KT SEAS LESS THAN 8 FT.

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

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