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BULLETIN
TROPICAL STORM OLAF ADVISORY NUMBER  10
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP192015
200 AM PDT SAT OCT 17 2015

...TROPICAL STORM OLAF STRENGTHENING OVER THE OPEN PACIFIC...


SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...9.5N 128.5W
ABOUT 1540 MI...2475 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 200 AM PDT (0900 UTC), the center of Tropical Storm Olaf was
located near latitude 9.5 North, longitude 128.5 West.  Olaf is
moving toward the west near 12 mph (19 km/h), and this general
motion is expected to continue with a decrease in forward speed
through tonight.  A turn toward the west-northwest is expected by
Sunday.

Maximum sustained winds have increased to near 50 mph (85 km/h)
with higher gusts.  Additional strengthening is forecast during the
next 48 hours, and Olaf could become a hurricane later tonight or
Sunday morning.

Tropical-storm-force winds extend outward up to 45 miles (75 km)
from the center.

The estimated minimum central pressure is 1003 mb (29.62 inches).


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


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

$$
Forecaster Stewart

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