Hurricane Isaac

Forecast Advisory 20

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844
WTNT24 KNHC 021443
TCMAT4
TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER 20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092006
1500 UTC MON OCT 02 2006

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE AVALON PENINSULA
IN SOUTHEASTERN NEWFOUNDLAND.

A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE BURIN PENINSULA
AND BONAVISTA PENINSULA IN SOUTHEASTERN NEWFOUNDLAND.

TROPICAL STORM CENTER LOCATED NEAR 44.3N 55.0W AT 02/1500Z
POSITION ACCURATE WITHIN 45 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 30 DEGREES AT 36 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 994 MB
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.
50 KT....... 60NE 60SE 25SW 25NW.
34 KT.......225NE 250SE 75SW 75NW.
12 FT SEAS..150NE 275SE 150SW 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 44.3N 55.0W AT 02/1500Z
AT 02/1200Z CENTER WAS LOCATED NEAR 42.5N 56.3W

FORECAST VALID 03/0000Z 49.0N 51.0W...EXTRATROPICAL
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 75NE 50SE 40SW 40NW.
34 KT...250NE 200SE 75SW 75NW.

FORECAST VALID 03/1200Z 52.0N 47.0W...EXTRATROPICAL
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 50NE 50SE 40SW 0NW.
34 KT...250NE 200SE 75SW 75NW.

FORECAST VALID 04/0000Z...MERGED WITH EXTRATROPICAL LOW

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 44.3N 55.0W

NEXT ADVISORY AT 02/2100Z

$$
FORECASTER BROWN/PASCH