WTPZ24 KNHC 220231 RRA

TCMEP4



HURRICANE WILLA FORECAST/ADVISORY NUMBER   8

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP242018

0300 UTC MON OCT 22 2018



CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...



THE GOVERNMENT OF MEXICO HAS REPLACED THE HURRICANE WATCH FROM SAN

BLAS TO MAZATLAN WITH A HURRICANE WARNING... AND HAS REPLACED THE

TROPICAL STORM WATCH FROM NORTH OF MAZATLAN TO BAHIA TEMPEHUAYA

WITH A TROPICAL STORM WARNING.



SUMMARY OF WATCHES AND WARNINGS IN EFFECT...



A HURRICANE WARNING IS IN EFFECT FOR...

. SAN BLAS TO MAZATLAN... INCLUDING LAS ISLAS MARIAS



A TROPICAL STORM WARNING IS IN EFFECT FOR...

... PLAYA PERULA TO SAN BLAS

... NORTH OF MAZATLAN TO BAHIA TEMPEHUAYA



A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED

SOMEWHERE WITHIN THE WARNING AREA.  A WARNING IS TYPICALLY ISSUED

36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF

TROPICAL-STORM-FORCE WINDS... CONDITIONS THAT MAKE OUTSIDE

PREPARATIONS DIFFICULT OR DANGEROUS.  PREPARATIONS TO PROTECT LIFE

AND PROPERTY SHOULD BE RUSHED TO COMPLETION.



A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE

EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.



INTERESTS ELSEWHERE ALONG THE COASTS OF WEST-CENTRAL AND

SOUTHWESTERN MAINLAND MEXICO SHOULD MONITOR THE PROGRESS OF WILLA.



HURRICANE CENTER LOCATED NEAR 17.7N 107.2W AT 22/0300Z

POSITION ACCURATE WITHIN  15 NM



PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 340 DEGREES AT   6 KT



ESTIMATED MINIMUM CENTRAL PRESSURE  941 MB

MAX SUSTAINED WINDS 125 KT WITH GUSTS TO 150 KT.

64 KT....... 20NE  20SE  10SW  15NW.

50 KT....... 40NE  40SE  20SW  30NW.

34 KT....... 80NE  70SE  50SW  70NW.