WTPZ34 KNHC 212033 RRA

TCPEP4



BULLETIN

HURRICANE WILLA ADVISORY NUMBER   7

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP242018

300 PM MDT SUN OCT 21 2018



...WILLA RAPIDLY STRENGTHENS INTO A MAJOR HURRICANE...

....NEW WARNINGS AND WATCHES ISSUED FOR PORTIONS OF SOUTHWESTERN

MEXICO...





SUMMARY OF 300 PM MDT...2100 UTC...INFORMATION

----------------------------------------------

LOCATION...17.0N 107.0W

ABOUT 250 MI...400 KM SSW OF CABO CORRIENTES MEXICO

MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H

PRESENT MOVEMENT...NNW OR 330 DEGREES AT 6 MPH...9 KM/H

MINIMUM CENTRAL PRESSURE...963 MB...28.44 INCHES





WATCHES AND WARNINGS

--------------------

CHANGES WITH THIS ADVISORY:



THE GOVERNMENT OF MEXICO HAS REPLACED THE TROPICAL STORM WATCH

ALONG THE PACIFIC COAST OF MEXICO FROM PLAYA PERULA TO SAN BLAS

WITH A TROPICAL STORM WARNING.  THE GOVERNMENT OF MEXICO HAS ALSO

ISSUED A TROPICAL STORM WATCH FROM NORTH OF MAZATLAN TO BAHIA

TEMPEHUAYA.



SUMMARY OF WATCHES AND WARNINGS IN EFFECT:



A HURRICANE WATCH IS IN EFFECT FOR...

.. SAN BLAS TO MAZATLAN



A TROPICAL STORM WARNING IS IN EFFECT FOR...

.. PLAYA PERULA TO SAN BLAS



A TROPICAL STORM WATCH IS IN EFFECT FOR...

.. NORTH OF MAZATLAN TO BAHIA TEMPEHUAYA



A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE

WITHIN THE WATCH AREA.  A WATCH IS TYPICALLY ISSUED 48 HOURS

BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE

WINDS, CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR

DANGEROUS.



A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE

EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.



A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE