Tropical Depression Seventeen Forecast Advisory Number 1

By | September 23, 2023

000
WTNT22 KNHC 231447
TCMAT2

TROPICAL DEPRESSION SEVENTEEN FORECAST/ADVISORY NUMBER   1
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL172023
1500 UTC SAT SEP 23 2023

NOTICE... LAND-BASED TROPICAL CYCLONE WATCHES AND WARNINGS ARE NO
LONGER INCLUDED IN THE TROPICAL CYCLONE FORECAST/ADVISORY...(TCM).
CURRENT LAND-BASED COASTAL WATCHES AND WARNINGS CAN BE FOUND IN THE
MOST RECENTLY ISSUED TROPICAL CYCLONE PUBLIC ADVISORY...(TCP).

TROPICAL DEPRESSION CENTER LOCATED NEAR 15.6N  38.8W AT 23/1500Z
POSITION ACCURATE WITHIN  30 NM

PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT  13 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS  30 KT WITH GUSTS TO  40 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 15.6N  38.8W AT 23/1500Z
AT 23/1200Z CENTER WAS LOCATED NEAR 15.6N  38.1W

FORECAST VALID 24/0000Z 15.7N  41.0W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 60NE   0SE   0SW  60NW.

FORECAST VALID 24/1200Z 15.8N  43.7W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 60NE   0SE   0SW  60NW.

FORECAST VALID 25/0000Z 15.9N  46.2W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 60NE   0SE   0SW  60NW.

FORECAST VALID 25/1200Z 16.2N  48.5W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 60NE   0SE   0SW  60NW.

FORECAST VALID 26/0000Z 16.6N  50.2W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 50NE  50SE   0SW  50NW.

FORECAST VALID 26/1200Z 17.1N  51.6W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  60SE   0SW  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 27/1200Z 19.5N  54.0W
MAX WIND  50 KT...GUSTS  60 KT.

OUTLOOK VALID 28/1200Z 23.0N  54.5W
MAX WIND  55 KT...GUSTS  65 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.6N  38.8W

NEXT ADVISORY AT 23/2100Z

$$
FORECASTER D. ZELINSKY


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