Hurricane Bill

Forecast Advisory 26

---

766
WTNT23 KNHC 212038
TCMAT3
HURRICANE BILL FORECAST/ADVISORY NUMBER 26
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032009
2100 UTC FRI AUG 21 2009

A TROPICAL STORM WARNING AND A HURRICANE WATCH ARE IN EFFECT FOR
BERMUDA.

INTERESTS ALONG THE COAST OF NEW ENGLAND AND IN THE CANADIAN
MARITIMES SHOULD MONITOR THE PROGRESS OF BILL.

HURRICANE CENTER LOCATED NEAR 29.4N 66.9W AT 21/2100Z
POSITION ACCURATE WITHIN 10 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 340 DEGREES AT 17 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 954 MB
EYE DIAMETER 15 NM
MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT.
64 KT....... 75NE 30SE 20SW 60NW.
50 KT.......100NE 100SE 50SW 120NW.
34 KT.......240NE 200SE 100SW 175NW.
12 FT SEAS..450NE 360SE 380SW 320NW.
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 29.4N 66.9W AT 21/2100Z
AT 21/1800Z CENTER WAS LOCATED NEAR 28.6N 66.6W

FORECAST VALID 22/0600Z 31.7N 68.0W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 75NE 30SE 20SW 30NW.
50 KT...100NE 100SE 50SW 100NW.
34 KT...240NE 200SE 100SW 175NW.

FORECAST VALID 22/1800Z 35.1N 68.4W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 75NE 30SE 20SW 30NW.
50 KT...100NE 100SE 50SW 100NW.
34 KT...240NE 200SE 100SW 175NW.

FORECAST VALID 23/0600Z 39.0N 67.2W
MAX WIND 85 KT...GUSTS 105 KT.
64 KT... 75NE 25SE 20SW 30NW.
50 KT...100NE 100SE 30SW 90NW.
34 KT...240NE 200SE 100SW 150NW.

FORECAST VALID 23/1800Z 43.0N 64.0W
MAX WIND 75 KT...GUSTS 90 KT.
50 KT...100NE 100SE 30SW 90NW.
34 KT...240NE 240SE 100SW 150NW.

FORECAST VALID 24/1800Z 49.5N 47.0W...EXTRATROPICAL
MAX WIND 50 KT...GUSTS 60 KT.
50 KT...100NE 100SE 30SW 90NW.
34 KT...225NE 250SE 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 25/1800Z 54.5N 20.0W...EXTRATROPICAL
MAX WIND 45 KT...GUSTS 55 KT.

OUTLOOK VALID 26/1800Z 60.0N 6.0W...EXTRATROPICAL
MAX WIND 35 KT...GUSTS 45 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.4N 66.9W

NEXT ADVISORY AT 22/0300Z

$$
FORECASTER AVILA