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BULLETIN
HURRICANE OLAF ADVISORY NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP192015
800 PM PDT MON OCT 19 2015

...CATEGORY FOUR HURRICANE OLAF MOVING INTO THE CENTRAL PACIFIC...
...NEXT ADVISORY ISSUED BY THE CENTRAL PACIFIC HURRICANE CENTER...


SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...10.1N 139.5W
ABOUT 1235 MI...1985 KM ESE OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...949 MB...28.03 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 eye of Hurricane Olaf was located near
latitude 10.1 North, longitude 139.5 West. Olaf is moving toward the
west near 10 mph (17 km/h), and this motion is expected to continue
through tonight. A turn toward the west-northwest is forecast on
Tuesday, followed by a turn toward the northwest on Wednesday.

Maximum sustained winds have increased to near 140 mph (220 km/h)
with higher gusts.  Olaf is a category 4 hurricane on the
Saffir-Simpson Hurricane Wind Scale.  Some additional strengthening
is forecast tonight and on Tuesday.  Some fluctuations in intensity
are possible Tuesday night and Wednesday.

Hurricane-force winds extend outward up to 30 miles (45 km) from the
center and tropical-storm-force winds extend outward up to 140 miles
(220 km).

The estimated minimum central pressure is 949 mb (28.03 inches).


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


NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane
Center on Olaf.  Future information on Olaf can be found in Public
Advisories issued by the Central Pacific Hurricane Center beginning
at 1100 PM HST (0900 UTC), under AWIPS header HFOTCPCP5, WMO header
WTPA35 PHFO, and on the web at http://www.prh.noaa.gov/hnl/cphc.

$$
Forecaster Stewart

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