ZCZC MIATCPEP4 ALL
TTAA00 KNHC DDHHMM

BULLETIN
TROPICAL STORM OLAF ADVISORY NUMBER  12
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP192015
200 PM PDT SAT OCT 17 2015

...OLAF MOVING WESTWARD AT LOW LATITUDE...
...EXPECTED TO BECOME A HURRICANE BY SUNDAY...


SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...9.2N 130.5W
ABOUT 1660 MI...2670 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...W OR 265 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 200 PM PDT (2100 UTC), the center of Tropical Storm Olaf was
located near latitude 9.2 North, longitude 130.5 West. Olaf is
moving toward the west near 13 mph (20 km/h).  A decrease in
forward speed is expected by tonight, with a turn toward the
west-northwest forecast on Sunday.

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

Tropical storm force winds extend outward up to 60 miles (95 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 Kimberlain

NNNN