Issued at 1500 UTC FRI SEP 14 2018


919
WTNT23 KNHC 141440
TCMAT3

TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER 29
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018
1500 UTC FRI SEP 14 2018

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* ALL OF THE AZORES ISLANDS

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24
TO 36 HOURS.

INTERESTS IN THE IRELAND AND UNITED KINGDOM SHOULD CONSULT PRODUCTS
FROM THEIR LOCAL METEOROLOGICAL SERVICE FOR INFORMATION ABOUT
POTENTIAL IMPACTS FROM HELENE IN THOSE LOCATIONS. LOCAL FORECASTS
AND WARNINGS FOR THE UK CAN BE FOUND ON THE WEBSITE OF THE UK MET
OFFICE AT HTTPS://WWW.METOFFICE.GOV.UK/. LOCAL FORECASTS AND
WARNINGS FOR IRELAND CAN BE FOUND ON THE WEBSITE OF MET EIREANN AT
HTTPS://WWW.MET.IE/.

TROPICAL STORM CENTER LOCATED NEAR 32.9N 36.3W AT 14/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 10 DEGREES AT 20 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 988 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT.
50 KT....... 60NE 60SE 60SW 40NW.
34 KT.......140NE 90SE 90SW 100NW.
12 FT SEAS..180NE 270SE 270SW 150NW.
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 32.9N 36.3W AT 14/1500Z
AT 14/1200Z CENTER WAS LOCATED NEAR 32.0N 36.5W

FORECAST VALID 15/0000Z 35.5N 35.5W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 60NE 60SE 60SW 50NW.
34 KT...140NE 90SE 100SW 100NW.

FORECAST VALID 15/1200Z 38.4N 33.4W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 50NE 60SE 60SW 50NW.
34 KT...130NE 110SE 110SW 110NW.

FORECAST VALID 16/0000Z 40.7N 30.0W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 40NE 60SE 50SW 30NW.
34 KT...130NE 140SE 120SW 110NW.

FORECAST VALID 16/1200Z 42.7N 25.7W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 40NE 60SE 50SW 20NW.
34 KT...130NE 150SE 130SW 110NW.

FORECAST VALID 17/1200Z 47.4N 16.1W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 40NE 60SE 50SW 20NW.
34 KT...150NE 160SE 160SW 110NW.

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 18/1200Z...ABSORBED BY FRONT

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 32.9N 36.3W

NEXT ADVISORY AT 14/2100Z

$$
FORECASTER ROBERTS





Source: Tropical Storm Helene Forecast Advisory Number 29


David Cottle

UBB Owner & Administrator