WTPZ32 KNHC 062047 RRA

TCPEP2



BULLETIN

HURRICANE JOHN ADVISORY NUMBER   5

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP122018

300 PM MDT MON AUG 06 2018



...JOHN BECOMES A HURRICANE...

..............ADDITIONAL STRENGTHENING EXPECTED...





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

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LOCATION...16.0N 108.0W

ABOUT 320 MI...515 KM SW OF MANZANILLO MEXICO

ABOUT 490 MI...790 KM SSE OF THE SOUTHERN TIP OF BAJA CALIFORNIA

MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H

PRESENT MOVEMENT...NW OR 315 DEGREES AT 8 MPH...13 KM/H

MINIMUM CENTRAL PRESSURE...990 MB...29.24 INCHES





WATCHES AND WARNINGS

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

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.



INTERESTS IN THE SOUTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA

SHOULD MONITOR THE PROGRESS OF JOHN.





DISCUSSION AND OUTLOOK

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

AT 300 PM MDT (2100 UTC), THE CENTER OF HURRICANE JOHN WAS LOCATED

NEAR LATITUDE 16.0 NORTH, LONGITUDE 108.0 WEST. JOHN IS MOVING

TOWARD THE NORTHWEST NEAR 8 MPH (13 KM/H), AND A FASTER

NORTHWESTWARD MOTION IS FORECAST FOR THE NEXT FEW DAYS.



MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 75 MPH (120 KM/H)

WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST AND JOHN

IS EXPECTED TO BECOME A MAJOR HURRICANE BY LATE TUESDAY.



HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 25 MILES (35 KM) FROM THE

CENTER AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES

(165 KM).



THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB (29.24 INCHES).





HAZARDS AFFECTING LAND

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

SURF:  SWELLS GENERATED BY JOHN ARE EXPECTED TO BEGIN AFFECTING THE

COASTS OF SOUTHWESTERN MEXICO AND THE SOUTHERN PORTION OF THE BAJA