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Hurricane JOHN


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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
----------------------------------------------
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
California peninsula during the next day or so.  These swells are
likely to cause life-threatening surf and rip current conditions.
Please consult products from your local weather office.


NEXT ADVISORY
-------------
Next complete advisory at 900 PM MDT.

$$
Forecaster Brown

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