Hurricane Gordon

Forecast Advisory 29

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926
WTNT23 KNHC 180236
TCMAT3
HURRICANE HELENE FORECAST/ADVISORY NUMBER 23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
0300 UTC MON SEP 18 2006

HURRICANE CENTER LOCATED NEAR 21.6N 49.4W AT 18/0300Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT 7 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 962 MB
EYE DIAMETER 25 NM
MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT.
64 KT....... 45NE 40SE 30SW 35NW.
50 KT....... 90NE 65SE 45SW 60NW.
34 KT.......175NE 150SE 100SW 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 21.6N 49.4W AT 18/0300Z
AT 18/0000Z CENTER WAS LOCATED NEAR 21.3N 49.2W

FORECAST VALID 18/1200Z 22.3N 50.2W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 45NE 40SE 30SW 35NW.
50 KT... 90NE 65SE 45SW 60NW.
34 KT...175NE 150SE 100SW 125NW.

FORECAST VALID 19/0000Z 23.0N 51.5W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 45NE 40SE 30SW 35NW.
50 KT... 90NE 65SE 45SW 60NW.
34 KT...175NE 150SE 100SW 125NW.

FORECAST VALID 19/1200Z 23.3N 53.1W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 45NE 40SE 30SW 35NW.
50 KT...100NE 75SE 60SW 75NW.
34 KT...200NE 175SE 125SW 150NW.

FORECAST VALID 20/0000Z 23.6N 54.8W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT...100NE 75SE 60SW 75NW.
34 KT...200NE 175SE 125SW 150NW.

FORECAST VALID 21/0000Z 25.0N 58.0W
MAX WIND 100 KT...GUSTS 120 KT.
50 KT...100NE 75SE 60SW 75NW.
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 22/0000Z 27.5N 59.5W
MAX WIND 95 KT...GUSTS 115 KT.

OUTLOOK VALID 23/0000Z 29.5N 61.5W
MAX WIND 90 KT...GUSTS 110 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.6N 49.4W

NEXT ADVISORY AT 18/0900Z

$$
FORECASTER BLAKE/PASCH





461
WTNT22 KNHC 180237
TCMAT2
HURRICANE GORDON FORECAST/ADVISORY NUMBER 29
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
0300 UTC MON SEP 18 2006

HURRICANE CENTER LOCATED NEAR 35.4N 51.5W AT 18/0300Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTHEAST OR 40 DEGREES AT 12 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 983 MB
EYE DIAMETER 25 NM
MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT.
64 KT....... 20NE 20SE 20SW 20NW.
50 KT....... 40NE 40SE 40SW 30NW.
34 KT....... 80NE 80SE 80SW 60NW.
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 35.4N 51.5W AT 18/0300Z
AT 18/0000Z CENTER WAS LOCATED NEAR 34.9N 52.1W

FORECAST VALID 18/1200Z 36.9N 49.1W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 20SE 20SW 20NW.
50 KT... 40NE 40SE 40SW 30NW.
34 KT... 80NE 80SE 80SW 60NW.

FORECAST VALID 19/0000Z 38.0N 44.0W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 20SE 20SW 20NW.
50 KT... 50NE 50SE 50SW 40NW.
34 KT...100NE 100SE 100SW 80NW.

FORECAST VALID 19/1200Z 38.4N 37.5W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 50NE 50SE 50SW 40NW.
34 KT...100NE 100SE 100SW 80NW.

FORECAST VALID 20/0000Z 38.5N 29.5W...EXTRATROPICAL
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 50NE 50SE 50SW 40NW.
34 KT...100NE 100SE 100SW 80NW.

FORECAST VALID 21/0000Z...ABSORBED BY EXTRATROPICAL LOW

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 35.4N 51.5W

NEXT ADVISORY AT 18/0900Z

$$
FORECASTER PASCH