Hurricane Gordon

Forecast Advisory 20



632
WTNT23 KNHC 152040
TCMAT3
TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER 14
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
2100 UTC FRI SEP 15 2006

TROPICAL STORM CENTER LOCATED NEAR 16.7N 42.8W AT 15/2100Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 13 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 992 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT.
50 KT....... 25NE 25SE 0SW 25NW.
34 KT.......100NE 75SE 50SW 100NW.
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 16.7N 42.8W AT 15/2100Z
AT 15/1800Z CENTER WAS LOCATED NEAR 16.4N 42.2W

FORECAST VALID 16/0600Z 17.7N 44.5W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 50NE 30SE 0SW 30NW.
34 KT...120NE 100SE 75SW 100NW.

FORECAST VALID 16/1800Z 18.6N 46.0W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 25NE 25SE 25SW 25NW.
50 KT... 50NE 50SE 50SW 50NW.
34 KT...120NE 100SE 75SW 100NW.

FORECAST VALID 17/0600Z 19.5N 47.5W
MAX WIND 85 KT...GUSTS 105 KT.
64 KT... 30NE 30SE 30SW 30NW.
50 KT... 60NE 60SE 60SW 60NW.
34 KT...150NE 100SE 75SW 120NW.

FORECAST VALID 17/1800Z 20.5N 49.0W
MAX WIND 95 KT...GUSTS 115 KT.
50 KT... 60NE 60SE 60SW 60NW.
34 KT...150NE 100SE 75SW 120NW.

FORECAST VALID 18/1800Z 22.0N 51.0W
MAX WIND 100 KT...GUSTS 120 KT.
50 KT... 60NE 60SE 60SW 60NW.
34 KT...150NE 100SE 75SW 120NW.

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 19/1800Z 24.0N 54.0W
MAX WIND 95 KT...GUSTS 115 KT.

OUTLOOK VALID 20/1800Z 26.0N 56.5W
MAX WIND 90 KT...GUSTS 110 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.7N 42.8W

NEXT ADVISORY AT 16/0300Z

$$
FORECASTER AVILA




892
WTNT22 KNHC 152042
TCMAT2
HURRICANE GORDON FORECAST/ADVISORY NUMBER 20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
2100 UTC FRI SEP 15 2006

HURRICANE CENTER LOCATED NEAR 31.1N 53.5W AT 15/2100Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT IS STATIONARY

ESTIMATED MINIMUM CENTRAL PRESSURE 976 MB
MAX SUSTAINED WINDS 80 KT WITH GUSTS TO 100 KT.
64 KT....... 20NE 20SE 30SW 30NW.
50 KT....... 40NE 50SE 60SW 60NW.
34 KT....... 80NE 90SE 90SW 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 31.1N 53.5W AT 15/2100Z
AT 15/1800Z CENTER WAS LOCATED NEAR 31.2N 53.5W

FORECAST VALID 16/0600Z 31.7N 53.4W
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 20NE 20SE 30SW 30NW.
50 KT... 40NE 50SE 60SW 60NW.
34 KT... 80NE 90SE 90SW 90NW.

FORECAST VALID 16/1800Z 32.6N 52.7W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 50NE 50SE 40SW 40NW.
34 KT... 90NE 100SE 90SW 80NW.

FORECAST VALID 17/0600Z 33.6N 52.0W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 50NE 50SE 40SW 40NW.
34 KT... 90NE 100SE 90SW 80NW.

FORECAST VALID 17/1800Z 35.5N 50.5W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 50SE 50SW 30NW.
34 KT... 75NE 125SE 100SW 75NW.

FORECAST VALID 18/1800Z 41.0N 41.0W...EXTRATROPICAL
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 50SE 50SW 30NW.
34 KT... 75NE 125SE 100SW 75NW.

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 19/1800Z 43.0N 26.0W...EXTRATROPICAL
MAX WIND 50 KT...GUSTS 60 KT.

OUTLOOK VALID 20/1800Z...ABSORBED BY FRONTAL SYSTEM

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.1N 53.5W

NEXT ADVISORY AT 16/0300Z

$$
FORECASTER MAINELLI/BEVEN