Hurricane Isaac

Forecast Advisory 18

---

142
WTNT24 KNHC 020243
TCMAT4
HURRICANE ISAAC FORECAST/ADVISORY NUMBER 18
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092006
0300 UTC MON OCT 02 2006

A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE AVALON PENINSULA
OF NEWFOUNDLAND...WHICH INCLUDES CAPE RACE AND THE CITY OF ST.
JOHNS.

HURRICANE CENTER LOCATED NEAR 38.6N 58.8W AT 02/0300Z
POSITION ACCURATE WITHIN 25 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 23 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 989 MB
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
64 KT....... 20NE 20SE 20SW 20NW.
50 KT....... 40NE 40SE 40SW 40NW.
34 KT.......150NE 125SE 75SW 75NW.
12 FT SEAS..240NE 150SE 200SW 150NW.
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 38.6N 58.8W AT 02/0300Z
AT 02/0000Z CENTER WAS LOCATED NEAR 37.3N 59.3W

FORECAST VALID 02/1200Z 42.5N 57.2W...BECOMING EXTRATROPICAL
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 50NE 50SE 40SW 40NW.
34 KT...150NE 150SE 100SW 100NW.

FORECAST VALID 03/0000Z 47.8N 53.5W...EXTRATROPICAL
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 50NE 50SE 30SW 50NW.
34 KT...200NE 200SE 75SW 100NW.

FORECAST VALID 03/1200Z 51.5N 49.3W...EXTRATROPICAL
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...240NE 240SE 75SW 100NW.

FORECAST VALID 04/0000Z 53.3N 45.5W...EXTRATROPICAL
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...300NE 300SE 120SW 150NW.

FORECAST VALID 05/0000Z...ABSORBED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 38.6N 58.8W

NEXT ADVISORY AT 02/0900Z

$$
FORECASTER RHOME/KNABB