Hurricane Gordon

Forecast Advisory 27

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148
WTNT22 KNHC 171433
TCMAT2
HURRICANE GORDON FORECAST/ADVISORY NUMBER 27
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
1500 UTC SUN SEP 17 2006

HURRICANE CENTER LOCATED NEAR 33.6N 53.2W AT 17/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 10 DEGREES AT 9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 983 MB
EYE DIAMETER 15 NM
MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT.
64 KT....... 20NE 20SE 20SW 20NW.
50 KT....... 50NE 50SE 40SW 40NW.
34 KT.......100NE 100SE 80SW 80NW.
12 FT SEAS..180NE 180SE 120SW 120NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 33.6N 53.2W AT 17/1500Z
AT 17/1200Z CENTER WAS LOCATED NEAR 33.3N 53.2W

FORECAST VALID 18/0000Z 35.2N 51.6W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 20SE 20SW 20NW.
50 KT... 50NE 50SE 40SW 40NW.
34 KT...100NE 100SE 80SW 80NW.

FORECAST VALID 18/1200Z 36.9N 48.4W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 20SE 20SW 20NW.
50 KT... 50NE 50SE 40SW 40NW.
34 KT...100NE 100SE 80SW 80NW.

FORECAST VALID 19/0000Z 38.6N 43.5W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 50SE 50SW 40NW.
34 KT... 90NE 100SE 100SW 80NW.

FORECAST VALID 19/1200Z 39.5N 37.2W...BECOMING EXTRATROPICAL
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 30NE 40SE 40SW 20NW.
34 KT... 80NE 100SE 100SW 70NW.

FORECAST VALID 20/1200Z 40.0N 22.0W...EXTRATROPICAL
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 50SE 40SW 0NW.
34 KT... 80NE 120SE 100SW 60NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM
ON DAY 4 AND 325 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 21/1200Z...ABORBED BY FRONT

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.6N 53.2W

NEXT ADVISORY AT 17/2100Z

$$
FORECASTER MAINELLI/AVILA





323
WTNT23 KNHC 171436
TCMAT3
HURRICANE HELENE FORECAST/ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
1500 UTC SUN SEP 17 2006

HURRICANE CENTER LOCATED NEAR 20.5N 49.0W AT 17/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 970 MB
EYE DIAMETER 25 NM
MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT.
64 KT....... 35NE 35SE 25SW 30NW.
50 KT....... 60NE 60SE 40SW 60NW.
34 KT.......150NE 125SE 90SW 125NW.
12 FT SEAS..275NE 200SE 200SW 250NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 20.5N 49.0W AT 17/1500Z
AT 17/1200Z CENTER WAS LOCATED NEAR 20.3N 48.6W

FORECAST VALID 18/0000Z 21.3N 50.1W
MAX WIND 95 KT...GUSTS 115 KT.
64 KT... 35NE 35SE 25SW 30NW.
50 KT... 60NE 60SE 40SW 60NW.
34 KT...150NE 125SE 90SW 125NW.

FORECAST VALID 18/1200Z 22.5N 51.5W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 35NE 35SE 30SW 30NW.
50 KT... 60NE 60SE 40SW 60NW.
34 KT...150NE 150SE 100SW 125NW.

FORECAST VALID 19/0000Z 23.0N 53.0W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 35NE 35SE 30SW 30NW.
50 KT... 60NE 60SE 40SW 60NW.
34 KT...150NE 150SE 100SW 125NW.

FORECAST VALID 19/1200Z 23.5N 54.5W
MAX WIND 95 KT...GUSTS 115 KT.
50 KT... 60NE 60SE 40SW 60NW.
34 KT...175NE 175SE 100SW 150NW.

FORECAST VALID 20/1200Z 24.5N 57.0W
MAX WIND 90 KT...GUSTS 110 KT.
50 KT... 60NE 60SE 40SW 60NW.
34 KT...175NE 175SE 100SW 150NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 225 NM
ON DAY 4 AND 300 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 21/1200Z 27.0N 59.0W
MAX WIND 85 KT...GUSTS 105 KT.

OUTLOOK VALID 22/1200Z 30.0N 59.5W
MAX WIND 80 KT...GUSTS 100 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.5N 49.0W

NEXT ADVISORY AT 17/2100Z

$$
FORECASTER AVILA