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BULLETIN
TROPICAL STORM OLAF ADVISORY NUMBER  13
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP192015
800 PM PDT SAT OCT 17 2015

...OLAF STRENGTHENING...
...EXPECTED TO BECOME A HURRICANE LATER TONIGHT OR ON SUNDAY...


SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...9.2N 131.0W
ABOUT 1685 MI...2715 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...994 MB...29.36 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 Olaf was
located near latitude 9.2 North, longitude 131.0 West. Olaf is
moving toward the west near 9 mph (15 km/h), and this general motion
is expected to continue tonight.  A turn toward the west-northwest
is expected on Sunday.

Maximum sustained winds have increased to near 65 mph (100 km/h)
with higher gusts.  Additional strengthening is forecast during the
next 48 hours, and Olaf is expected to become a hurricane later
tonight or on Sunday.  The cyclone is also expected to be near
major hurricane strength by Monday.

Tropical storm force winds extend outward up to 60 miles (95 km)
from the center.

The estimated minimum central pressure is 994 mb (29.36 inches).


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


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

$$
Forecaster Beven

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