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BULLETIN
TROPICAL STORM GUILLERMO ADVISORY NUMBER   5
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP092015
800 PM PDT THU JUL 30 2015

...GUILLERMO QUICKLY STRENGTHENING...
...FORECAST TO BECOME A HURRICANE LATER TONIGHT OR ON FRIDAY...


SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...10.8N 129.3W
ABOUT 1525 MI...2460 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
ABOUT 1820 MI...2935 KM ESE OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...991 MB...29.27 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 800 PM PDT (0300 UTC), the center of Tropical Storm Guillermo was
located near latitude 10.8 North, longitude 129.3 West. Guillermo is
moving toward the northwest near 14 mph (22 km/h).  A turn toward
the west-northwest and an increase in forward speed are expected
tonight or Friday, with this motion continuing through Saturday.

Maximum sustained winds have increased to near near 70 mph (110
km/h) with higher gusts.  Additional strengthening is forecast
during the next couple of days, and Guillermo is expected to become
a hurricane later tonight or on Friday.

Tropical storm force winds extend outward up to 90 miles (150 km)
from the center.

The estimated minimum central pressure is 991 mb (29.27 inches).


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


NEXT ADVISORY
-------------
Next complete advisory at 200 AM PDT.

$$
Forecaster Beven

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