Hurricane Helene

Forecast Advisory 4



005
WTNT23 KNHC 130833
TCMAT3
TROPICAL DEPRESSION EIGHT FORECAST/ADVISORY NUMBER 4
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
0900 UTC WED SEP 13 2006

TROPICAL DEPRESSION CENTER LOCATED NEAR 11.9N 26.7W AT 13/0900Z
POSITION ACCURATE WITHIN 60 NM

PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 14 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.
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 11.9N 26.7W AT 13/0900Z
AT 13/0600Z CENTER WAS LOCATED NEAR 11.8N 26.0W

FORECAST VALID 13/1800Z 12.2N 29.0W
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 14/0600Z 12.8N 32.3W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 75NE 75SE 0SW 75NW.

FORECAST VALID 14/1800Z 13.7N 35.2W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 90NE 90SE 45SW 90NW.

FORECAST VALID 15/0600Z 14.7N 37.9W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 90NE 90SE 60SW 90NW.

FORECAST VALID 16/0600Z 17.5N 42.5W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 45NE 45SE 30SW 45NW.
34 KT... 90NE 90SE 60SW 90NW.

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 17/0600Z 19.5N 45.0W
MAX WIND 65 KT...GUSTS 80 KT.

OUTLOOK VALID 18/0600Z 21.5N 47.5W
MAX WIND 80 KT...GUSTS 100 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.9N 26.7W

NEXT ADVISORY AT 13/1500Z

$$
FORECASTER RHOME/KNABB




326
WTNT22 KNHC 130840
TCMAT2
HURRICANE GORDON FORECAST/ADVISORY NUMBER 10
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
0900 UTC WED SEP 13 2006

HURRICANE CENTER LOCATED NEAR 25.1N 57.9W AT 13/0900Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 10 DEGREES AT 8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 987 MB
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
64 KT....... 20NE 20SE 0SW 0NW.
50 KT....... 30NE 30SE 0SW 0NW.
34 KT....... 75NE 75SE 50SW 50NW.
12 FT SEAS..100NE 50SE 50SW 75NW.
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 25.1N 57.9W AT 13/0900Z
AT 13/0600Z CENTER WAS LOCATED NEAR 24.7N 58.0W

FORECAST VALID 13/1800Z 26.4N 57.7W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 30NE 30SE 15SW 15NW.
50 KT... 45NE 45SE 25SW 25NW.
34 KT...100NE 75SE 60SW 60NW.

FORECAST VALID 14/0600Z 28.1N 57.2W
MAX WIND 80 KT...GUSTS 100 KT.
64 KT... 30NE 30SE 20SW 20NW.
50 KT... 50NE 50SE 30SW 30NW.
34 KT...110NE 100SE 85SW 85NW.

FORECAST VALID 14/1800Z 29.7N 56.5W
MAX WIND 80 KT...GUSTS 100 KT.
64 KT... 35NE 35SE 25SW 25NW.
50 KT... 60NE 60SE 50SW 50NW.
34 KT...125NE 125SE 100SW 100NW.

FORECAST VALID 15/0600Z 30.9N 55.8W
MAX WIND 80 KT...GUSTS 100 KT.
50 KT... 60NE 60SE 50SW 50NW.
34 KT...125NE 125SE 100SW 100NW.

FORECAST VALID 16/0600Z 32.5N 54.5W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 60NE 60SE 50SW 50NW.
34 KT...125NE 125SE 100SW 100NW.

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 17/0600Z 34.0N 52.5W
MAX WIND 55 KT...GUSTS 65 KT.

OUTLOOK VALID 18/0600Z 36.5N 49.5W
MAX WIND 45 KT...GUSTS 55 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.1N 57.9W

NEXT ADVISORY AT 13/1500Z

$$
FORECASTER BRENNAN/KNABB