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BULLETIN
TROPICAL STORM OLAF ADVISORY NUMBER  11
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP192015
800 AM PDT SAT OCT 17 2015

...OLAF STILL STRENGTHENING...
...EXPECTED TO BECOME A HURRICANE TONIGHT OR SUNDAY...


SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...9.4N 129.5W
ABOUT 1595 MI...2570 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 13 MPH...20 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 800 AM PDT (1500 UTC), the center of Tropical Storm Olaf was
located near latitude 9.4 North, longitude 129.5 West. Olaf is
moving toward the west near 13 mph (20 km/h).  A decrease in forward
speed is expected later today, with a turn toward the west-northwest
forecast on Sunday.

Maximum sustained winds have increased to near 60 mph (95 km/h) with
higher gusts.  Additional strengthening is forecast, and Olaf is
expected to become a hurricane tonight or Sunday, and be near major
hurricane strength Monday.

Tropical storm force winds extend outward up to 45 miles (75 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 200 PM PDT.

$$
Forecaster Kimberlain

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