Hurricane Igor

Forecast Advisory 23

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000
WTNT21 KNHC 132037
TCMAT1
HURRICANE IGOR FORECAST/ADVISORY NUMBER 23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010
2100 UTC MON SEP 13 2010

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 17.7N 50.5W AT 13/2100Z
POSITION ACCURATE WITHIN 10 NM

PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 933 MB
EYE DIAMETER 20 NM
MAX SUSTAINED WINDS 130 KT WITH GUSTS TO 160 KT.
64 KT....... 45NE 35SE 30SW 45NW.
50 KT....... 85NE 65SE 55SW 85NW.
34 KT.......170NE 140SE 110SW 130NW.
12 FT SEAS..330NE 180SE 180SW 300NW.
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 50.5W AT 13/2100Z
AT 13/1800Z CENTER WAS LOCATED NEAR 17.6N 50.1W

FORECAST VALID 14/0600Z 18.1N 51.7W
MAX WIND 130 KT...GUSTS 160 KT.
64 KT... 45NE 35SE 35SW 45NW.
50 KT... 80NE 65SE 60SW 80NW.
34 KT...170NE 150SE 110SW 130NW.

FORECAST VALID 14/1800Z 18.9N 53.2W
MAX WIND 130 KT...GUSTS 160 KT.
64 KT... 50NE 40SE 40SW 45NW.
50 KT... 90NE 75SE 60SW 80NW.
34 KT...170NE 160SE 110SW 140NW.

FORECAST VALID 15/0600Z 20.0N 54.7W
MAX WIND 130 KT...GUSTS 160 KT.
64 KT... 50NE 45SE 40SW 50NW.
50 KT... 90NE 75SE 65SW 85NW.
34 KT...180NE 160SE 110SW 140NW.

FORECAST VALID 15/1800Z 21.1N 56.1W
MAX WIND 130 KT...GUSTS 160 KT.
50 KT... 95NE 80SE 70SW 85NW.
34 KT...180NE 160SE 120SW 150NW.

FORECAST VALID 16/1800Z 23.5N 58.5W
MAX WIND 120 KT...GUSTS 145 KT.
50 KT...105NE 85SE 75SW 90NW.
34 KT...210NE 180SE 130SW 170NW.

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 17/1800Z 26.5N 61.5W
MAX WIND 110 KT...GUSTS 135 KT.

OUTLOOK VALID 18/1800Z 30.0N 64.0W
MAX WIND 105 KT...GUSTS 130 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.7N 50.5W

NEXT ADVISORY AT 14/0300Z

$$
FORECASTER BRENNAN





000
WTNT22 KNHC 132038
TCMAT2
TROPICAL STORM JULIA FORECAST/ADVISORY NUMBER 6
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL122010
2100 UTC MON SEP 13 2010

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

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

TROPICAL STORM CENTER LOCATED NEAR 15.3N 27.5W AT 13/2100Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 12 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 50NE 45SE 45SW 60NW.
12 FT SEAS.. 45NE 45SE 45SW 60NW.
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 15.3N 27.5W AT 13/2100Z
AT 13/1800Z CENTER WAS LOCATED NEAR 15.1N 26.9W

FORECAST VALID 14/0600Z 16.0N 29.0W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 0SE 0SW 0NW.
34 KT... 70NE 50SE 50SW 60NW.

FORECAST VALID 14/1800Z 17.3N 30.8W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 25NE 0SE 0SW 15NW.
50 KT... 40NE 0SE 0SW 30NW.
34 KT... 90NE 75SE 60SW 70NW.

FORECAST VALID 15/0600Z 18.8N 32.4W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 25NE 20SE 15SW 15NW.
50 KT... 50NE 40SE 30SW 40NW.
34 KT...110NE 90SE 75SW 90NW.

FORECAST VALID 15/1800Z 20.5N 34.4W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 60NE 50SE 40SW 50NW.
34 KT...120NE 90SE 80SW 90NW.

FORECAST VALID 16/1800Z 23.8N 39.7W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 60NE 50SE 40SW 50NW.
34 KT...120NE 90SE 80SW 90NW.

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 17/1800Z 27.0N 46.0W
MAX WIND 65 KT...GUSTS 80 KT.

OUTLOOK VALID 18/1800Z 30.0N 49.5W
MAX WIND 55 KT...GUSTS 65 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.3N 27.5W

NEXT ADVISORY AT 14/0300Z

$$
FORECASTER ROBERTS/BRENNAN