Hurricane Tomas

Forecast Advisory 20



000
WTNT21 KNHC 030237
TCMAT1
TROPICAL STORM TOMAS FORECAST/ADVISORY NUMBER 20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL212010
0300 UTC WED NOV 03 2010

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WATCH IS IN EFFECT FOR...
* JAMAICA

INTERESTS IN HAITI...THE DOMINICAN REPUBLIC...AND SOUTHEASTERN CUBA
SHOULD ALSO MONITOR THE PROGRESS OF TOMAS. TOMAS COULD POSE A
SIGNIFICANT THREAT TO THOSE AREAS LATER IN THE WEEK.

TROPICAL STORM CENTER LOCATED NEAR 13.7N 75.1W AT 03/0300Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 7 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 90NE 0SE 0SW 90NW.
12 FT SEAS..180NE 60SE 60SW 180NW.
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 13.7N 75.1W AT 03/0300Z
AT 03/0000Z CENTER WAS LOCATED NEAR 13.6N 74.8W

FORECAST VALID 03/1200Z 14.0N 75.9W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...100NE 40SE 0SW 75NW.

FORECAST VALID 04/0000Z 14.4N 76.5W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 40NE 0SE 0SW 35NW.
34 KT...100NE 60SE 45SW 75NW.

FORECAST VALID 04/1200Z 15.0N 76.6W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 50NE 40SE 30SW 40NW.
34 KT...110NE 80SE 60SW 90NW.

FORECAST VALID 05/0000Z 16.0N 76.0W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 55NE 45SE 40SW 45NW.
34 KT...120NE 90SE 70SW 90NW.

FORECAST VALID 06/0000Z 19.0N 73.9W
MAX WIND 80 KT...GUSTS 100 KT.
50 KT... 60NE 60SE 50SW 50NW.
34 KT...150NE 120SE 90SW 105NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 200 NM
ON DAY 4 AND 250 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 07/0000Z 22.0N 71.5W
MAX WIND 70 KT...GUSTS 85 KT.

OUTLOOK VALID 08/0000Z 22.5N 69.5W
MAX WIND 60 KT...GUSTS 75 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.7N 75.1W

NEXT ADVISORY AT 03/0900Z

$$
FORECASTER BLAKE/STEWART