Issued at 1500 UTC THU AUG 30 2018


761
WTNT21 KNHC 301443
TCMAT1

POTENTIAL TROPICAL CYCLONE SIX FORECAST/ADVISORY NUMBER 1
NWS NATIONAL HURRICANE CENTER MIAMI FL AL062018
1500 UTC THU AUG 30 2018

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF THE CABO VERDE ISLANDS HAS ISSUED A TROPICAL
STORM WARNING FOR THE SOUTHERN ISLANDS OF SANTIAGO...FOGO AND
BRAVA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* SANTIAGO
* FOGO
* BRAVA

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

POTENTIAL TROP CYCLONE CENTER LOCATED NEAR 12.9N 18.4W AT 30/1500Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 KT.
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 12.9N 18.4W AT 30/1500Z
AT 30/1200Z CENTER WAS LOCATED NEAR 12.8N 17.9W

FORECAST VALID 31/0000Z 13.2N 20.1W...TROPICAL DEPRESSION
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 31/1200Z 13.5N 22.0W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 30NE 30SE 0SW 30NW.

FORECAST VALID 01/0000Z 14.0N 24.0W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 50NE 40SE 30SW 50NW.

FORECAST VALID 01/1200Z 15.0N 27.0W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 80NE 50SE 40SW 70NW.

FORECAST VALID 02/1200Z 16.5N 33.0W
MAX WIND 65 KT...GUSTS 80 KT.
50 KT... 40NE 40SE 30SW 40NW.
34 KT...100NE 70SE 60SW 90NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 03/1200Z 18.5N 38.0W
MAX WIND 65 KT...GUSTS 80 KT.

OUTLOOK VALID 04/1200Z 20.0N 42.0W
MAX WIND 65 KT...GUSTS 80 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 12.9N 18.4W

NEXT ADVISORY AT 30/2100Z

$$
FORECASTER AVILA





Source: Potential Tropical Cyclone Six Forecast Advisory Number 1


David Cottle

UBB Owner & Administrator