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BULLETIN
Tropical Storm John Advisory Number   3
NWS National Hurricane Center Miami FL       EP122018
300 AM MDT Mon Aug 06 2018

...JOHN RAPIDLY INTENSIFYING OVER THE EASTERN PACIFIC...


SUMMARY OF 300 AM MDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...15.1N 107.3W
ABOUT 335 MI...540 KM SW OF MANZANILLO MEXICO
ABOUT 565 MI...910 KM SSE OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES


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


DISCUSSION AND OUTLOOK
----------------------
At 300 AM MDT (0900 UTC), the center of Tropical Storm John was
located near latitude 15.1 North, longitude 107.3 West. John is
moving toward the west-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 60 mph (95 km/h)
with higher gusts.  John is forecast to become a hurricane later
today and a major hurricane on Tuesday.

Tropical-storm-force winds extend outward up to 70 miles (110 km)
from the center.

The estimated minimum central pressure is 999 mb (29.50 inches).


HAZARDS AFFECTING LAND
----------------------
SURF:  Swells generated by John are expected to begin affecting the
coast of southwestern Mexico 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 AM MDT.

$$
Forecaster Blake

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