Tropical Storm Sebastien Forecast Advisory Number 3

By | November 20, 2019

Issued at 0300 UTC WED NOV 20 2019


000
WTNT25 KNHC 200235
TCMAT5

TROPICAL STORM SEBASTIEN FORECAST/ADVISORY NUMBER   3
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL202019
0300 UTC WED NOV 20 2019

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL STORM CENTER LOCATED NEAR 20.7N  60.6W AT 20/0300Z
POSITION ACCURATE WITHIN  30 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT   8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT....... 90NE 120SE   0SW   0NW.
12 FT SEAS..120NE   0SE   0SW   0NW.
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 20.7N  60.6W AT 20/0300Z
AT 20/0000Z CENTER WAS LOCATED NEAR 20.4N  60.3W

FORECAST VALID 20/1200Z 21.5N  61.5W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 90NE 120SE   0SW   0NW.

FORECAST VALID 21/0000Z 22.9N  61.5W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...100NE 130SE   0SW   0NW.

FORECAST VALID 21/1200Z 24.4N  59.8W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE  50SE   0SW   0NW.
34 KT...100NE 140SE  30SW   0NW.

FORECAST VALID 22/0000Z 27.2N  56.5W...POST-TROP/EXTRATROP
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 50NE  50SE   0SW   0NW.
34 KT...100NE 150SE  60SW  30NW.

FORECAST VALID 23/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.7N  60.6W

NEXT ADVISORY AT 20/0900Z

$$
FORECASTER BLAKE


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