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BULLETIN
Tropical Storm John Advisory Number  17
NWS National Hurricane Center Miami FL       EP122018
200 PM PDT Thu Aug 09 2018

...JOHN GRADUALLY WEAKENING BUT STILL PRODUCING HIGH SURF ALONG
U.S. AND MEXICO PACIFIC COASTS...


SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...24.8N 118.5W
ABOUT 560 MI...900 KM WNW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 200 PM PDT (2100 UTC), the center of Tropical Storm John was
located near latitude 24.8 North, longitude 118.5 West. John is
moving toward the west-northwest near 15 mph (24 km/h). This
general motion with a decrease in forward speed is expected through
the weekend.

Maximum sustained winds have decreased to near 65 mph (100 km/h)
with higher gusts. Additional weakening is forecast, and John will
likely become a remnant low this weekend.

Tropical-storm-force winds extend outward up to 140 miles (220 km)
from the center.

The estimated minimum central pressure is 993 mb (29.33 inches).


HAZARDS AFFECTING LAND
----------------------
SURF:  Swells generated by John are affecting portions of the coasts
of southwestern Mexico and the Baja California peninsula. The swells
are forecast to reach the coast of southern California by late
today.  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 800 PM PDT.

$$
Forecaster Zelinsky

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