Tropical Storm Gaston Forecast Advisory Number 12

By | September 23, 2022
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TROPICAL STORM GASTON FORECAST/ADVISORY NUMBER  12
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL082022
0900 UTC FRI SEP 23 2022

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNING IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* FLORES AND CORVO IN THE WESTERN AZORES
* FAIAL...PICO...SAO JORGE...GRACIOSA AND TERCEIRA IN THE CENTRAL
AZORES

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

TROPICAL STORM CENTER LOCATED NEAR 40.5N  29.6W AT 23/0900Z
POSITION ACCURATE WITHIN  30 NM

PRESENT MOVEMENT TOWARD THE EAST-SOUTHEAST OR 115 DEGREES AT   8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT.......  0NE  40SE   0SW   0NW.
34 KT....... 90NE 100SE 100SW  90NW.
12 FT SEAS..100NE 130SE 160SW 140NW.
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 40.5N  29.6W AT 23/0900Z
AT 23/0600Z CENTER WAS LOCATED NEAR 40.8N  29.9W

FORECAST VALID 23/1800Z 39.7N  28.9W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE  30SE  20SW   0NW.
34 KT... 90NE  90SE  90SW  90NW.

FORECAST VALID 24/0600Z 38.6N  29.4W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE  30SE  30SW   0NW.
34 KT... 90NE  90SE  60SW  70NW.

FORECAST VALID 24/1800Z 38.2N  31.2W...POST-TROPICAL
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE  30SE  30SW   0NW.
34 KT... 90NE  90SE  60SW  70NW.

FORECAST VALID 25/0600Z 38.6N  33.7W...POST-TROPICAL
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE   0SE   0SW   0NW.
34 KT... 70NE  60SE  60SW  70NW.

FORECAST VALID 25/1800Z 38.6N  36.1W...POST-TROPICAL
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 70NE  60SE  60SW  70NW.

FORECAST VALID 26/0600Z 38.6N  38.0W...POST-TROPICAL
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 70NE  60SE  60SW  70NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 27/0600Z 39.1N  41.0W...POST-TROPICAL
MAX WIND  35 KT...GUSTS  45 KT.

OUTLOOK VALID 28/0600Z 38.2N  45.3W...POST-TROPICAL
MAX WIND  30 KT...GUSTS  40 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.5N  29.6W

INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 23/1200Z

NEXT ADVISORY AT 23/1500Z

$$
FORECASTER ROBERTS


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