Hurricane Igor

Forecast Advisory 1



000
WTNT21 KNHC 081459
TCMAT1
TROPICAL STORM IGOR FORECAST/ADVISORY NUMBER 1
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010
1500 UTC WED SEP 08 2010

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF THE CAPE VERDE ISLANDS HAS ISSUED A TROPICAL STORM
WATCH FOR THE SOUTHERN CAPE VERDE ISLANDS...INCLUDING MAIO...SAO
TIAGO...FOGO..AND BRAVA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE SOUTHERN CAPE VERDE ISLANDS...INCLUDING MAIO...SAO TIAGO...
FOGO...AND BRAVA

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 12 TO
24 HOURS.

TROPICAL STORM CENTER LOCATED NEAR 13.7N 23.5W AT 08/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE WEST OR 265 DEGREES AT 7 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 0NE 45SE 45SW 30NW.
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 23.5W AT 08/1500Z
AT 08/1200Z CENTER WAS LOCATED NEAR 13.7N 23.3W

FORECAST VALID 09/0000Z 13.7N 24.6W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 30NE 45SE 45SW 30NW.

FORECAST VALID 09/1200Z 13.8N 26.6W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 40NE 30SE 30SW 40NW.

FORECAST VALID 10/0000Z 14.0N 29.0W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 60NE 45SE 30SW 45NW.

FORECAST VALID 10/1200Z 14.5N 31.5W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 35NE 0SE 0SW 35NW.
34 KT... 70NE 50SE 35SW 50NW.

FORECAST VALID 11/1200Z 15.5N 36.5W
MAX WIND 65 KT...GUSTS 80 KT.
50 KT... 45NE 35SE 35SW 40NW.
34 KT... 90NE 60SE 45SW 60NW.

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 12/1200Z 16.8N 41.2W
MAX WIND 75 KT...GUSTS 90 KT.

OUTLOOK VALID 13/1200Z 18.0N 46.0W
MAX WIND 85 KT...GUSTS 105 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.7N 23.5W

NEXT ADVISORY AT 08/2100Z

$$
FORECASTER BLAKE/PASCH