WTPZ34 KNHC 230232 RRA

TCPEP4



BULLETIN

HURRICANE WILLA ADVISORY NUMBER  12

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP242018

900 PM MDT MON OCT 22 2018



...POWERFUL WILLA EXPECTED TO BRING LIFE-THREATENING STORM SURGE,

WIND, AND RAINFALL TO PORTIONS OF WEST-CENTRAL AND SOUTHWESTERN

MEXICO...





SUMMARY OF 900 PM MDT...0300 UTC...INFORMATION

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LOCATION...20.5N 107.2W

ABOUT 85 MI...140 KM SW OF LAS ISLAS MARIAS MEXICO

ABOUT 195 MI...310 KM SSW OF MAZATLAN MEXICO

MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H

PRESENT MOVEMENT...N OR 360 DEGREES AT 9 MPH...15 KM/H

MINIMUM CENTRAL PRESSURE...937 MB...27.67 INCHES





WATCHES AND WARNINGS

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CHANGES 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 WITHIN THE NEXT 36 HOURS.

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.



FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR

PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.





DISCUSSION AND OUTLOOK

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AT 900 PM MDT (0300 UTC), THE CENTER OF HURRICANE WILLA WAS LOCATED