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BULLETIN
Hurricane John Advisory Number   9
NWS National Hurricane Center Miami FL       EP122018
300 PM MDT Tue Aug 07 2018

...JOHN MAINTAINING 105-MPH WINDS...


SUMMARY OF 300 PM MDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...18.7N 110.5W
ABOUT 295 MI...470 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...969 MB...28.62 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 18.7 North, longitude 110.5 West. John is moving
toward the northwest near 10 mph (17 km/h), and a faster
northwestward motion is forecast for the next few days.  On the
forecast track, John should pass to the southwest of Baja
California Sur Wednesday and Thursday.

Maximum sustained winds are near 105 mph (165 km/h) with higher
gusts. Some strengthening is still possible and John could
become a major hurricane tonight or early Wednesday.  Steady
weakening is expected to begin Wednesday night and continue
into Friday.

Hurricane-force winds extend outward up to 35 miles (55 km) from the
center and tropical-storm-force winds extend outward up to 115 miles
(185 km).  A wind gust to 52 mph (83 km/h) was recently reported on
Socorro Island.

The estimated minimum central pressure is 969 mb (28.62 inches).


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

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 PM MDT.

$$
Forecaster Brown

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