WTPZ24 KNHC 230836 RRA

TCMEP4



HURRICANE WILLA FORECAST/ADVISORY NUMBER  13

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP242018

0900 UTC TUE OCT 23 2018



CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...



NONE.



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...IN THIS CASE WITHIN THE NEXT

6 TO 12 HOURS FOR ISLA MARIAS...AND WITHIN 12 TO 18 HOURS FOR

MAINLAND MEXICO. 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.



INTERESTS ELSEWHERE ALONG THE COASTS OF WEST-CENTRAL AND

SOUTHWESTERN MAINLAND MEXICO SHOULD MONITOR THE PROGRESS OF WILLA.



HURRICANE CENTER LOCATED NEAR 20.8N 107.3W AT 23/0900Z

POSITION ACCURATE WITHIN  15 NM



PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT   4 KT



ESTIMATED MINIMUM CENTRAL PRESSURE  945 MB

MAX SUSTAINED WINDS 115 KT WITH GUSTS TO 140 KT.

64 KT....... 30NE  30SE  20SW  25NW.

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

34 KT.......110NE 100SE  80SW  90NW.

12 FT SEAS..150NE 210SE 180SW 180NW.

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 20.8N 107.3W AT 23/0900Z

AT 23/0600Z CENTER WAS LOCATED NEAR 20.6N 107.3W



FORECAST VALID 23/1800Z 22.0N 106.5W