Tropical Storm Sebastien Forecast Advisory Number 9

By | November 21, 2019

Issued at 1500 UTC THU NOV 21 2019


000
WTNT25 KNHC 211448
TCMAT5
 
TROPICAL STORM SEBASTIEN FORECAST/ADVISORY NUMBER   9
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL202019
1500 UTC THU NOV 21 2019
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 23.5N  60.5W AT 21/1500Z
POSITION ACCURATE WITHIN  60 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR  30 DEGREES AT   7 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT.......  0NE  80SE   0SW   0NW.
34 KT.......100NE 140SE   0SW   0NW.
12 FT SEAS..210NE 150SE  60SW 120NW.
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 23.5N  60.5W AT 21/1500Z
AT 21/1200Z CENTER WAS LOCATED NEAR 23.1N  60.8W
 
FORECAST VALID 22/0000Z 25.0N  58.3W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT...  0NE  30SE   0SW   0NW.
50 KT... 30NE  80SE  20SW  20NW.
34 KT...100NE 140SE  60SW  60NW.
 
FORECAST VALID 22/1200Z 27.2N  55.0W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT...  0NE  30SE   0SW   0NW.
50 KT... 40NE  50SE  30SW  30NW.
34 KT...100NE 140SE  90SW  90NW.
 
FORECAST VALID 23/0000Z 30.0N  50.4W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT...  0NE  30SE   0SW   0NW.
50 KT... 40NE  50SE  40SW  30NW.
34 KT...100NE 140SE 100SW  80NW.
 
FORECAST VALID 23/1200Z 33.2N  45.2W...POST-TROP/EXTRATROP
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  50SE  30SW  30NW.
34 KT...100NE 160SE 120SW  60NW.
 
FORECAST VALID 24/1200Z 39.7N  31.5W...POST-TROP/EXTRATROP
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 60NE 150SE 120SW  30NW.
 
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 25/1200Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.5N  60.5W
 
NEXT ADVISORY AT 21/2100Z
 
$$
FORECASTER PASCH
 
 

Leave a Reply