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Gulf area up to 60% chance for weak development. A new Atlantic system is now up with a 20% chance for development, FL east coast and GA coast should watch for mid-late this week.**
Days since last H. Landfall - US: Any 291 (Idalia) , Major: 291 (Idalia) Florida - Any: 291 (Idalia) Major: 291 (Idalia)
 
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#1153455 (Received by flhurricane at: 10:41 PM 18.Sep.2023)
TCMAT5

HURRICANE NIGEL FORECAST/ADVISORY NUMBER 15
NWS NATIONAL HURRICANE CENTER MIAMI FL AL152023
0300 UTC TUE SEP 19 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).

HURRICANE CENTER LOCATED NEAR 28.6N 52.7W AT 19/0300Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT 10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 979 MB
EYE DIAMETER 20 NM
MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT.
64 KT....... 25NE 25SE 15SW 25NW.
50 KT....... 60NE 60SE 30SW 50NW.
34 KT.......140NE 120SE 80SW 130NW.
12 FT SEAS..270NE 240SE 180SW 210NW.
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 28.6N 52.7W AT 19/0300Z
AT 19/0000Z CENTER WAS LOCATED NEAR 28.2N 52.4W

FORECAST VALID 19/1200Z 29.9N 53.8W
MAX WIND 85 KT...GUSTS 105 KT.
64 KT... 30NE 30SE 15SW 30NW.
50 KT... 60NE 60SE 40SW 60NW.
34 KT...140NE 130SE 90SW 120NW.

FORECAST VALID 20/0000Z 32.1N 54.5W
MAX WIND 90 KT...GUSTS 110 KT.
64 KT... 40NE 40SE 25SW 30NW.
50 KT... 70NE 70SE 50SW 60NW.
34 KT...140NE 130SE 90SW 120NW.

FORECAST VALID 20/1200Z 34.7N 54.1W
MAX WIND 90 KT...GUSTS 110 KT.
64 KT... 40NE 40SE 35SW 30NW.
50 KT... 80NE 80SE 60SW 60NW.
34 KT...150NE 150SE 110SW 110NW.

FORECAST VALID 21/0000Z 37.6N 51.6W
MAX WIND 85 KT...GUSTS 105 KT.
64 KT... 50NE 50SE 40SW 50NW.
50 KT... 80NE 80SE 70SW 60NW.
34 KT...160NE 160SE 130SW 110NW.

FORECAST VALID 21/1200Z 40.5N 46.6W
MAX WIND 80 KT...GUSTS 100 KT.
50 KT... 80NE 90SE 80SW 60NW.
34 KT...150NE 180SE 160SW 120NW.

FORECAST VALID 22/0000Z 43.4N 39.5W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 70NE 90SE 80SW 60NW.
34 KT...160NE 180SE 180SW 110NW.

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 23/0000Z 50.0N 24.7W...POST-TROP/EXTRATROP
MAX WIND 55 KT...GUSTS 65 KT.

OUTLOOK VALID 24/0000Z 57.0N 17.4W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.6N 52.7W

NEXT ADVISORY AT 19/0900Z

$$
FORECASTER BROWN