Hurricane Gordon

Forecast Advisory 23

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000
WTNT22 KNHC 161437
TCMAT2
HURRICANE GORDON FORECAST/ADVISORY NUMBER 23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
1500 UTC SAT SEP 16 2006

HURRICANE CENTER LOCATED NEAR 31.3N 53.7W AT 16/1500Z
POSITION ACCURATE WITHIN 15 NM

PRESENT MOVEMENT IS STATIONARY

ESTIMATED MINIMUM CENTRAL PRESSURE 987 MB
EYE DIAMETER 20 NM
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
64 KT....... 20NE 0SE 20SW 20NW.
50 KT....... 50NE 50SE 40SW 40NW.
34 KT....... 90NE 90SE 70SW 90NW.
12 FT SEAS..160NE 160SE 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 31.3N 53.7W AT 16/1500Z
AT 16/1200Z CENTER WAS LOCATED NEAR 31.2N 53.8W

FORECAST VALID 17/0000Z 32.1N 53.5W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 40SE 40SW 40NW.
34 KT... 80NE 80SE 80SW 80NW.

FORECAST VALID 17/1200Z 33.6N 52.6W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 40SE 40SW 40NW.
34 KT... 80NE 80SE 80SW 80NW.

FORECAST VALID 18/0000Z 35.5N 50.5W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 40NE 40SE 40SW 40NW.
34 KT... 80NE 80SE 80SW 80NW.

FORECAST VALID 18/1200Z 37.6N 46.6W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 40SE 30SW 30NW.
34 KT... 80NE 100SE 80SW 80NW.

FORECAST VALID 19/1200Z 39.5N 36.0W...EXTRATROPICAL
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 50SE 30SW 30NW.
34 KT... 80NE 120SE 80SW 80NW.

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 20/1200Z...ABSORBED BY FRONT

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.3N 53.7W

NEXT ADVISORY AT 16/2100Z

$$
FORECASTER MAINELLI/BEVEN





128
WTNT23 KNHC 161449
TCMAT3
HURRICANE HELENE FORECAST/ADVISORY NUMBER 17
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
1500 UTC SAT SEP 16 2006

HURRICANE CENTER LOCATED NEAR 18.8N 45.6W AT 16/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 12 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 987 MB
EYE DIAMETER 45 NM
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
64 KT....... 25NE 0SE 0SW 0NW.
50 KT....... 40NE 40SE 25SW 40NW.
34 KT.......150NE 150SE 100SW 125NW.
12 FT SEAS..200NE 180SE 180SW 225NW.
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 18.8N 45.6W AT 16/1500Z
AT 16/1200Z CENTER WAS LOCATED NEAR 18.5N 45.2W

FORECAST VALID 17/0000Z 19.5N 46.9W
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 30NE 20SE 0SW 20NW.
50 KT... 50NE 50SE 35SW 50NW.
34 KT...150NE 150SE 100SW 125NW.

FORECAST VALID 17/1200Z 20.4N 48.3W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 30NE 20SE 0SW 20NW.
50 KT... 50NE 50SE 35SW 50NW.
34 KT...150NE 150SE 100SW 125NW.

FORECAST VALID 18/0000Z 21.1N 49.4W
MAX WIND 80 KT...GUSTS 100 KT.
64 KT... 35NE 25SE 20SW 25NW.
50 KT... 60NE 50SE 35SW 50NW.
34 KT...175NE 150SE 100SW 150NW.

FORECAST VALID 18/1200Z 21.9N 50.6W
MAX WIND 85 KT...GUSTS 105 KT.
50 KT... 60NE 50SE 35SW 50NW.
34 KT...175NE 150SE 100SW 150NW.

FORECAST VALID 19/1200Z 23.5N 53.5W
MAX WIND 90 KT...GUSTS 110 KT.
50 KT... 70NE 60SE 35SW 50NW.
34 KT...200NE 175SE 125SW 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 20/1200Z 25.5N 56.5W
MAX WIND 85 KT...GUSTS 105 KT.

OUTLOOK VALID 21/1200Z 28.5N 58.0W
MAX WIND 80 KT...GUSTS 100 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.8N 45.6W

NEXT ADVISORY AT 16/2100Z

$$
FORECASTER BEVEN/LANDSEA