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BULLETIN
HURRICANE OLAF ADVISORY NUMBER  18
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP192015
200 AM PDT MON OCT 19 2015

...OLAF FORECAST TO BECOME A MAJOR HURRICANE BEFORE MOVING INTO THE
CENTRAL PACIFIC BASIN TONIGHT...


SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...10.0N 136.4W
ABOUT 1415 MI...2275 KM ESE OF HILO HAWAII
ABOUT 1965 MI...3160 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...978 MB...28.88 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 Hurricane Olaf was located
near latitude 10.0 North, longitude 136.4 West. Olaf is moving
toward the west near 12 mph (19 km/h), and a turn toward the
west-northwest is expected later today.

Maximum sustained winds are near 100 mph (155 km/h) with higher
gusts.  Strengthening is expected during the next 48 hours, and Olaf
is forecast to become a major hurricane by tonight.

Hurricane force winds extend outward up to 25 miles (35 km) from the
center and tropical storm force winds extend outward up to 140 miles
(220 km).

The estimated minimum central pressure is 978 mb (28.88 inches).


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


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

$$
Forecaster Brown

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