WTPZ21 KNHC 082038 RRA

TCMEP1



HURRICANE SERGIO FORECAST/ADVISORY NUMBER  38

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP212018

2100 UTC MON OCT 08 2018



THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.



HURRICANE CENTER LOCATED NEAR 15.7N 128.5W AT 08/2100Z

POSITION ACCURATE WITHIN  20 NM



PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT   3 KT



ESTIMATED MINIMUM CENTRAL PRESSURE  978 MB

EYE DIAMETER  70 NM

MAX SUSTAINED WINDS  75 KT WITH GUSTS TO  90 KT.

64 KT....... 50NE  50SE  50SW  50NW.

50 KT....... 70NE  70SE  60SW  70NW.

34 KT.......110NE 120SE 110SW 110NW.

12 FT SEAS..270NE 240SE 330SW 360NW.

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 15.7N 128.5W AT 08/2100Z

AT 08/1800Z CENTER WAS LOCATED NEAR 15.5N 128.5W



FORECAST VALID 09/0600Z 16.2N 128.1W

MAX WIND  70 KT...GUSTS  85 KT.

64 KT... 50NE  50SE  50SW  50NW.

50 KT... 70NE  70SE  60SW  70NW.

34 KT...110NE 120SE 110SW 110NW.



FORECAST VALID 09/1800Z 16.9N 127.0W

MAX WIND  70 KT...GUSTS  85 KT.

64 KT... 50NE  50SE  50SW  50NW.

50 KT... 70NE  70SE  60SW  70NW.

34 KT...120NE 120SE 120SW 110NW.



FORECAST VALID 10/0600Z 17.7N 125.4W

MAX WIND  65 KT...GUSTS  80 KT.

64 KT... 50NE  50SE  50SW  50NW.

50 KT... 70NE  70SE  70SW  70NW.

34 KT...120NE 130SE 120SW 120NW.



FORECAST VALID 10/1800Z 18.9N 123.2W

MAX WIND  60 KT...GUSTS  75 KT.

50 KT... 70NE  70SE  70SW  70NW.

34 KT...120NE 130SE 120SW 120NW.



FORECAST VALID 11/1800Z 22.9N 118.0W

MAX WIND  55 KT...GUSTS  65 KT.

50 KT... 70NE  70SE  70SW  60NW.

34 KT...120NE 150SE 120SW 100NW.