Atlantic Basin Tropical Cyclones

Tropical Storm Fiona Forecast Advisory


307 
WTNT22 KNHC 150855
TCMAT2

TROPICAL STORM FIONA FORECAST/ADVISORY NUMBER   4
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072022
0900 UTC THU SEP 15 2022

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SABA AND ST. EUSTATIUS
* ST. MAARTEN
* ANTIGUA...BARBUDA...ST. KITTS...NEVIS...MONTSERRAT...AND ANGUILLA

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

INTERESTS ELSEWHERE IN THE NORTHERN LEEWARD ISLANDS...THE VIRGIN 
ISLANDS...PUERTO RICO...AND HISPANIOLA SHOULD MONITOR THE PROGRESS 
OF THIS SYSTEM. ADDITIONAL TROPICAL STORM WATCHES OR WARNINGS WILL 
LIKELY BE REQUIRED FOR PORTIONS OF THESE AREAS LATER TODAY.

TROPICAL STORM CENTER LOCATED NEAR 16.6N  53.0W AT 15/0900Z
POSITION ACCURATE WITHIN  30 NM

PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT  11 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT.......100NE 120SE   0SW   0NW.
12 FT SEAS..120NE  60SE   0SW 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 16.6N  53.0W AT 15/0900Z
AT 15/0600Z CENTER WAS LOCATED NEAR 16.6N  52.4W

FORECAST VALID 15/1800Z 16.7N  54.7W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...100NE 100SE   0SW   0NW.

FORECAST VALID 16/0600Z 16.8N  57.3W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  40SE   0SW   0NW.
34 KT...100NE  90SE   0SW  50NW.

FORECAST VALID 16/1800Z 17.0N  59.8W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  40SE   0SW   0NW.
34 KT...100NE  90SE   0SW  50NW.

FORECAST VALID 17/0600Z 17.2N  62.3W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  40SE   0SW   0NW.
34 KT...100NE  90SE   0SW  60NW.

FORECAST VALID 17/1800Z 17.4N  64.4W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE  40SE   0SW   0NW.
34 KT...100NE  90SE  30SW  60NW.

FORECAST VALID 18/0600Z 17.7N  66.1W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE  50SE   0SW   0NW.
34 KT...100NE 100SE  30SW  60NW.

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 19/0600Z 18.8N  68.6W
MAX WIND  50 KT...GUSTS  60 KT.

OUTLOOK VALID 20/0600Z 21.0N  70.5W
MAX WIND  55 KT...GUSTS  65 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.6N  53.0W

INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 15/1200Z

NEXT ADVISORY AT 15/1500Z

$$
FORECASTER REINHART





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