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BULLETIN
Hurricane John Advisory Number  11
NWS National Hurricane Center Miami FL       EP122018
300 AM MDT Wed Aug 08 2018

...JOHN EXPECTED TO REMAIN WELL OFFSHORE OF BAJA CALIFORNIA...


SUMMARY OF 300 AM MDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...20.0N 111.6W
ABOUT 230 MI...365 KM SSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...972 MB...28.71 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 due to locally heavy rainfall.


DISCUSSION AND OUTLOOK
----------------------
At 300 AM MDT (0900 UTC), the center of Hurricane John was located
near latitude 20.0 North, longitude 111.6 West. John is moving
toward the north-northwest near 13 mph (20 km/h). A turn back toward
the northwest at a faster forward speed is expected to begin later
this morning, with that motion continuing for the next few days.
On the forecast track, John will pass well to the southwest of Baja
California Sur today and Thursday.

Maximum sustained winds are near 100 mph (155 km/h) with higher
gusts.  Gradual weakening is forecast during the next 48 hours, and
John is expected to become a tropical storm by late Thursday.

Hurricane-force winds extend outward up to 30 miles (45 km) from the
center and tropical-storm-force winds extend outward up to 115 miles
(185 km).

The estimated minimum central pressure is 972 mb (28.71 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  John is expected to produce total rain accumulations of
1 to 2 inches over far southern Baja California Sur, with isolated
maximum amounts of 3 inches through Thursday.

SURF:  Swells generated by John will affect portions of the
coasts of southwestern Mexico and the southern portion of the Baja
California peninsula during the next few days.  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 AM MDT.

$$
Forecaster Stewart

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