WTPZ34 KNHC 202032

TCPEP4



BULLETIN

TROPICAL STORM WILLA ADVISORY NUMBER   3

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP242018

400 PM CDT SAT OCT 20 2018



...WILLA FORECAST TO RAPIDLY INTENSIFY AND BECOME A HURRICANE

OVERNIGHT...





SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION

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

LOCATION...15.2N 105.8W

ABOUT 280 MI...450 KM SSW OF MANZANILLO MEXICO

MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H

PRESENT MOVEMENT...WNW OR 295 DEGREES AT 6 MPH...9 KM/H

MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES





WATCHES AND WARNINGS

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

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.



INTERESTS ALONG THE COAST OF WEST-CENTRAL MAINLAND MEXICO SHOULD

MONITOR THE PROGRESS OF WILLA.





DISCUSSION AND OUTLOOK

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

AT 400 PM CDT (2100 UTC), THE CENTER OF TROPICAL STORM WILLA WAS

LOCATED NEAR LATITUDE 15.2 NORTH, LONGITUDE 105.8 WEST.  WILLA IS

MOVING TOWARD THE WEST-NORTHWEST NEAR 6 MPH (9 KM/H).  A TURN

TOWARD THE NORTHWEST AND NORTH AT A SLIGHTLY SLOWER FORWARD SPEED

IS EXPECTED THROUGH TUESDAY.  WILLA COULD APPROACH THE COAST OF

WEST-CENTRAL MAINLAND MEXICO BY WEDNESDAY AS IT BEGINS TO

ACCELERATE TOWARD THE NORTHEAST.



MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 60 MPH (95 KM/H)

WITH HIGHER GUSTS.  RAPID STRENGTHENING IS FORECAST DURING THE NEXT

COUPLE OF DAYS, AND WILLA IS EXPECTED TO BECOME A HURRICANE

OVERNIGHT OR ON SUNDAY.



TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 35 MILES (55 KM)

FROM THE CENTER.



THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 999 MB (29.50 INCHES).





HAZARDS AFFECTING LAND

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

NONE.





NEXT ADVISORY

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

NEXT COMPLETE ADVISORY AT 1000 PM CDT.



...

FORECASTER BERG