Issued at 2100 UTC MON SEP 27 2021

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HURRICANE SAM FORECAST/ADVISORY NUMBER 21
NWS NATIONAL HURRICANE CENTER MIAMI FL

AL182021
2100 UTC MON SEP 27 2021

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 16.3N 52.7W AT 27/2100Z
POSITION ACCURATE WITHIN 15 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT

8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 957 MB
EYE DIAMETER 15 NM
MAX SUSTAINED WINDS 105 KT WITH GUSTS TO 130 KT.
64 KT....... 25NE 20SE 20SW 20NW.
50 KT....... 40NE 30SE 30SW 35NW.
34 KT....... 90NE 90SE 60SW 70NW.
12 FT SEAS..120NE 90SE 90SW 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 16.3N 52.7W AT 27/2100Z
AT 27/1800Z CENTER WAS LOCATED NEAR 16.0N 52.4W

FORECAST VALID 28/0600Z 17.0N 53.5W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 25NE 20SE 20SW 20NW.
50 KT... 40NE 30SE 30SW 35NW.
34 KT... 90NE 90SE 60SW 80NW.

FORECAST VALID 28/1800Z 17.8N 54.6W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 30NE 25SE 20SW 25NW.
50 KT... 50NE 40SE 30SW 40NW.
34 KT... 90NE 90SE 60SW 80NW.

FORECAST VALID 29/0600Z 18.8N 55.8W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 30NE 25SE 20SW 25NW.
50 KT... 50NE 40SE 30SW 40NW.
34 KT... 90NE 90SE 60SW 80NW.

FORECAST VALID 29/1800Z 19.8N 57.3W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 40NE 30SE 25SW 30NW.
50 KT... 60NE 50SE 40SW 50NW.
34 KT...100NE 90SE 70SW 90NW.

FORECAST VALID 30/0600Z 21.2N 59.0W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 60NE 50SE 40SW 50NW.
34 KT...110NE 100SE 70SW 90NW.

FORECAST VALID 30/1800Z 22.9N 60.5W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT... 70NE 60SE 50SW 50NW.
34 KT...120NE 110SE 80SW 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 01/1800Z 27.8N 62.0W
MAX WIND 105 KT...GUSTS 130 KT.

OUTLOOK VALID 02/1800Z 34.7N 59.6W
MAX WIND 100 KT...GUSTS 120 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.3N 52.7W

NEXT ADVISORY AT 28/0300Z

$$
FORECASTER LATTO

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