WTPZ34 KNHC 212331 RRA

TCPEP4



BULLETIN

HURRICANE WILLA INTERMEDIATE ADVISORY NUMBER 7A

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP242018

600 PM MDT SUN OCT 21 2018



...EXTREMELY DANGEROUS CATEGORY FOUR HURRICANE WILLA CONTINUES TO

RAPIDLY STRENGTHEN...

....FORECAST TO PRODUCE LIFE-THREATENING STORM SURGE, WIND, AND

RAINFALL OVER PORTIONS OF SOUTHWESTERN AND WEST-CENTRAL MEXICO

BEGINNING ON TUESDAY...





SUMMARY OF 600 PM MDT...0000 UTC...INFORMATION

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

LOCATION...17.4N 107.1W

ABOUT 225 MI...365 KM SSW OF CABO CORRIENTES MEXICO

MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H

PRESENT MOVEMENT...NNW OR 340 DEGREES AT 6 MPH...9 KM/H

MINIMUM CENTRAL PRESSURE...946 MB...27.93 INCHES





WATCHES AND WARNINGS

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

CHANGES WITH THIS ADVISORY:



NONE.



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

POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.



INTERESTS ELSEWHERE ALONG THE COASTS OF WEST-CENTRAL AND