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POST-TROPICAL CYCLONE IDALIA FORECAST/ADVISORY NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL102023
2100 UTC THU AUG 31 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).
 
POST-TROPICAL CYCLONE CENTER LOCATED NEAR 33.5N  73.5W AT 31/2100Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE EAST OR  90 DEGREES AT  18 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  994 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
50 KT.......  0NE   0SE  60SW  80NW.
34 KT.......200NE 180SE 160SW 180NW.
12 FT SEAS..240NE 220SE 160SW 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 33.5N  73.5W AT 31/2100Z
AT 31/1800Z CENTER WAS LOCATED NEAR 33.6N  74.4W
 
FORECAST VALID 01/0600Z 33.0N  70.8W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.
50 KT...  0NE   0SE  30SW  70NW.
34 KT...200NE 110SE 150SW 190NW.
 
FORECAST VALID 01/1800Z 31.8N  68.3W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...180NE   0SE 120SW 150NW.
 
FORECAST VALID 02/0600Z 31.0N  66.7W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.
34 KT...160NE   0SE   0SW 130NW.
 
FORECAST VALID 02/1800Z 30.9N  65.9W...TROPICAL CYCLONE
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...130NE   0SE   0SW 100NW.
 
FORECAST VALID 03/0600Z 31.3N  64.9W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE  20SE   0SW   0NW.
34 KT...130NE  60SE  40SW  80NW.
 
FORECAST VALID 03/1800Z 32.1N  63.4W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE  30SE  30SW   0NW.
34 KT...140NE  70SE  60SW 100NW.
 
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 04/1800Z 35.1N  60.5W
MAX WIND  50 KT...GUSTS  60 KT.
 
OUTLOOK VALID 05/1800Z 38.0N  59.9W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.5N  73.5W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT35 KNHC/MIATCPAT5...AT 01/0000Z
 
NEXT ADVISORY AT 01/0300Z
 
$$
FORECASTER BERG
 
 
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