Atlantic Basin Tropical Cyclones

Tropical Depression Twenty Forecast Advisory


000
WTNT25 KNHC 291435
TCMAT5

TROPICAL DEPRESSION TWENTY FORECAST/ADVISORY NUMBER   1
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL202021
1500 UTC WED SEP 29 2021

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL DEPRESSION CENTER LOCATED NEAR  8.3N  24.6W AT 29/1500Z
POSITION ACCURATE WITHIN  30 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT  12 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  8.3N  24.6W AT 29/1500Z
AT 29/1200Z CENTER WAS LOCATED NEAR  8.1N  24.2W

FORECAST VALID 30/0000Z  8.8N  25.8W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 60NE   0SE   0SW  50NW.

FORECAST VALID 30/1200Z  9.5N  27.6W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 80NE  80SE  40SW  70NW.

FORECAST VALID 01/0000Z 10.3N  29.9W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  20SE   0SW  30NW.
34 KT... 90NE  90SE  40SW  70NW.

FORECAST VALID 01/1200Z 11.2N  31.9W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE   0SE   0SW   0NW.
50 KT... 40NE  30SE   0SW  30NW.
34 KT...100NE 100SE  40SW  70NW.

FORECAST VALID 02/0000Z 12.4N  33.7W
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 40NE  40SE  20SW  30NW.
34 KT...110NE 100SE  40SW  90NW.

FORECAST VALID 02/1200Z 14.0N  35.4W
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 40NE  40SE  20SW  30NW.
34 KT...110NE 100SE  40SW  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 18.4N  38.8W
MAX WIND  55 KT...GUSTS  65 KT.

OUTLOOK VALID 04/1200Z 24.3N  40.9W
MAX WIND  45 KT...GUSTS  55 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF  8.3N  24.6W

NEXT ADVISORY AT 29/2100Z

$$
FORECASTER CANGIALOSI




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