WTPZ21 KNHC 040850 RRA

TCMEP1



HURRICANE SERGIO FORECAST/ADVISORY NUMBER  20

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP212018

0900 UTC THU OCT 04 2018



THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.



HURRICANE CENTER LOCATED NEAR 14.4N 118.8W AT 04/0900Z

POSITION ACCURATE WITHIN  15 NM



PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT   7 KT



ESTIMATED MINIMUM CENTRAL PRESSURE  943 MB

EYE DIAMETER  20 NM

MAX SUSTAINED WINDS 120 KT WITH GUSTS TO 145 KT.

64 KT....... 40NE  40SE  40SW  30NW.

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

34 KT.......120NE 130SE 130SW 100NW.

12 FT SEAS..360NE 330SE 270SW 300NW.

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 14.4N 118.8W AT 04/0900Z

AT 04/0600Z CENTER WAS LOCATED NEAR 14.1N 118.5W



FORECAST VALID 04/1800Z 15.1N 119.7W

MAX WIND 120 KT...GUSTS 145 KT.

64 KT... 40NE  40SE  30SW  30NW.

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

34 KT...120NE 130SE 110SW 110NW.



FORECAST VALID 05/0600Z 15.8N 121.0W

MAX WIND 115 KT...GUSTS 140 KT.

64 KT... 40NE  40SE  30SW  30NW.

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

34 KT...120NE 120SE 110SW 130NW.



FORECAST VALID 05/1800Z 16.0N 122.2W

MAX WIND 105 KT...GUSTS 130 KT.

64 KT... 40NE  40SE  30SW  40NW.

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

34 KT...140NE 120SE 110SW 150NW.



FORECAST VALID 06/0600Z 15.8N 123.5W

MAX WIND  95 KT...GUSTS 115 KT.

64 KT... 40NE  30SE  30SW  40NW.

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

34 KT...150NE 120SE 110SW 150NW.



FORECAST VALID 07/0600Z 15.5N 126.2W

MAX WIND  90 KT...GUSTS 110 KT.

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