Hurricane Bill
Forecast Advisory 17
584
WTNT23 KNHC 191442
TCMAT3
HURRICANE BILL FORECAST/ADVISORY NUMBER 17
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032009
1500 UTC WED AUG 19 2009
INTERESTS IN THE NORTHERN LEEWARD ISLANDS AND BERMUDA SHOULD MONITOR
THE PROGRESS OF BILL.
HURRICANE CENTER LOCATED NEAR 18.7N 56.3W AT 19/1500Z
POSITION ACCURATE WITHIN 15 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 16 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 950 MB
EYE DIAMETER 30 NM
MAX SUSTAINED WINDS 115 KT WITH GUSTS TO 140 KT.
64 KT....... 70NE 45SE 30SW 40NW.
50 KT.......100NE 75SE 60SW 75NW.
34 KT.......150NE 150SE 80SW 150NW.
12 FT SEAS..360NE 300SE 210SW 310NW.
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 18.7N 56.3W AT 19/1500Z
AT 19/1200Z CENTER WAS LOCATED NEAR 18.3N 55.6W
FORECAST VALID 20/0000Z 19.9N 58.3W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 70NE 45SE 30SW 40NW.
50 KT...100NE 75SE 60SW 75NW.
34 KT...170NE 160SE 100SW 160NW.
FORECAST VALID 20/1200Z 21.7N 61.0W
MAX WIND 125 KT...GUSTS 155 KT.
64 KT... 70NE 45SE 30SW 40NW.
50 KT...100NE 80SE 60SW 90NW.
34 KT...180NE 175SE 100SW 180NW.
FORECAST VALID 21/0000Z 23.5N 63.5W
MAX WIND 125 KT...GUSTS 155 KT.
64 KT... 70NE 45SE 30SW 40NW.
50 KT...100NE 80SE 60SW 90NW.
34 KT...180NE 175SE 100SW 180NW.
FORECAST VALID 21/1200Z 26.0N 65.5W
MAX WIND 120 KT...GUSTS 145 KT.
50 KT...100NE 90SE 60SW 90NW.
34 KT...180NE 175SE 100SW 180NW.
FORECAST VALID 22/1200Z 32.0N 68.5W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT... 90NE 90SE 60SW 90NW.
34 KT...180NE 170SE 100SW 170NW.
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 23/1200Z 38.5N 67.0W
MAX WIND 100 KT...GUSTS 120 KT.
OUTLOOK VALID 24/1200Z 47.0N 58.0W
MAX WIND 75 KT...GUSTS 90 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.7N 56.3W
NEXT ADVISORY AT 19/2100Z
$$
FORECASTER AVILA
