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BULLETIN
TROPICAL STORM GUILLERMO ADVISORY NUMBER   4
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP092015
200 PM PDT THU JUL 30 2015

...GUILLERMO CONTINUES TO STRENGTHEN...
...FORECAST TO BECOME A HURRICANE ON FRIDAY...


SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...9.8N 128.4W
ABOUT 1520 MI...2445 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
ABOUT 1905 MI...3065 KM ESE OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 200 PM PDT (2100 UTC), the center of Tropical Storm Guillermo was
located near latitude 9.8 North, longitude 128.4 West.  Guillermo is
moving toward the west-northwest near 14 mph (22 km/h).  A west-
northwestward motion with an increase in forward speed is expected
during the next 48 hours.

Maximum sustained winds have increased to near 60 mph (95 km/h) with
higher gusts.  Additional strengthening is forecast during the
next couple of days, and Guillermo is expected to become a
hurricane on Friday.

Tropical storm force winds extend outward up to 80 miles (130 km)
from the center.

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


HAZARDS AFFECTING LAND
----------------------
None


NEXT ADVISORY
-------------
Next complete advisory at 800 PM PDT.

$$
Forecaster Berg

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