Hurricane Igor

Forecast Advisory 53

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000
WTNT21 KNHC 210846
TCMAT1
HURRICANE IGOR FORECAST/ADVISORY NUMBER 53
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010
0900 UTC TUE SEP 21 2010

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WATCH IS IN EFFECT FOR...
* THE COAST OF NEWFOUNDLAND FROM STONES COVE NORTHWARD AND EASTWARD
TO FOGO ISLAND

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE COAST OF NEWFOUNDLAND FROM BURGEO NORTHWARD AND EASTWARD
TO TRITON
* THE ISLANDS OF ST-PIERRE AND MIQUELON

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE
NEXT 24 HOURS.

HURRICANE CENTER LOCATED NEAR 42.8N 55.1W AT 21/0900Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE NORTHEAST OR 45 DEGREES AT 36 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 966 MB
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
64 KT....... 75NE 50SE 60SW 75NW.
50 KT.......150NE 150SE 120SW 140NW.
34 KT.......330NE 300SE 300SW 300NW.
12 FT SEAS..600NE 600SE 850SW 530NW.
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 42.8N 55.1W AT 21/0900Z
AT 21/0600Z CENTER WAS LOCATED NEAR 41.3N 56.8W

FORECAST VALID 21/1800Z 46.7N 51.3W...POST-TROP/EXTRATROP
MAX WIND 70 KT...GUSTS 85 KT.
64 KT...130NE 130SE 130SW 120NW.
50 KT...225NE 225SE 210SW 235NW.
34 KT...400NE 400SE 420SW 420NW.

FORECAST VALID 22/0600Z 52.3N 48.4W...POST-TROP/EXTRATROP
MAX WIND 75 KT...GUSTS 90 KT.
64 KT...180NE 210SE 210SW 180NW.
50 KT...300NE 300SE 300SW 330NW.
34 KT...480NE 510SE 540SW 540NW.

FORECAST VALID 22/1800Z 56.7N 48.3W...POST-TROP/EXTRATROP
MAX WIND 65 KT...GUSTS 80 KT.
64 KT...120NE 0SE 180SW 0NW.
50 KT...300NE 300SE 300SW 330NW.
34 KT...480NE 420SE 420SW 480NW.

FORECAST VALID 23/0600Z 60.5N 52.5W...POST-TROP/EXTRATROP
MAX WIND 65 KT...GUSTS 80 KT.
50 KT...180NE 210SE 0SW 0NW.
34 KT...480NE 240SE 300SW 300NW.

FORECAST VALID 24/0600Z 62.5N 59.0W...POST-TROP/EXTRATROP
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...240NE 180SE 210SW 210NW.

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 25/0600Z 64.0N 61.0W...POST-TROP/EXTRATROP
MAX WIND 35 KT...GUSTS 45 KT.

OUTLOOK VALID 26/0600Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 42.8N 55.1W

NEXT ADVISORY AT 21/1500Z

$$
FORECASTER BEVEN





000
WTNT24 KNHC 210849
TCMAT4
TROPICAL STORM LISA FORECAST/ADVISORY NUMBER 2
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL142010
0900 UTC TUE SEP 21 2010

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL STORM CENTER LOCATED NEAR 17.7N 31.8W AT 21/0900Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 4 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 35NE 35SE 0SW 20NW.
12 FT SEAS.. 30NE 30SE 0SW 0NW.
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 17.7N 31.8W AT 21/0900Z
AT 21/0600Z CENTER WAS LOCATED NEAR 17.5N 31.8W

FORECAST VALID 21/1800Z 18.0N 31.7W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 45SE 35SW 50NW.

FORECAST VALID 22/0600Z 18.4N 31.7W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 0SE 0SW 20NW.
34 KT... 70NE 60SE 50SW 65NW.

FORECAST VALID 22/1800Z 18.7N 31.9W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 25NE 20SE 15SW 25NW.
34 KT... 80NE 70SE 60SW 80NW.

FORECAST VALID 23/0600Z 19.0N 32.6W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 25NE 20SE 15SW 25NW.
34 KT... 80NE 70SE 60SW 80NW.

FORECAST VALID 24/0600Z 19.8N 34.3W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 25NE 20SE 15SW 25NW.
34 KT... 80NE 70SE 60SW 80NW.

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 25/0600Z 20.5N 35.5W
MAX WIND 50 KT...GUSTS 60 KT.

OUTLOOK VALID 26/0600Z 21.5N 37.0W
MAX WIND 45 KT...GUSTS 55 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.7N 31.8W

NEXT ADVISORY AT 21/1500Z

$$
FORECASTER ROBERTS/BEVEN