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HURRICANE OLAF ADVISORY NUMBER 20
NWS NATIONAL HURRICANE CENTER MIAMI FL EP192015
200 PM PDT MON OCT 19 2015
...OLAF RAPIDLY STRENGTHENS TO A CATEGORY FOUR HURRICANE...
...EXPECTED TO CROSS INTO THE CENTRAL PACIFIC BASIN TONIGHT...
SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION
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LOCATION...10.0N 138.7W
ABOUT 1280 MI...2065 KM ESE OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...954 MB...28.17 INCHES
WATCHES AND WARNINGS
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There are no coastal watches or warnings in effect.
DISCUSSION AND 48-HOUR OUTLOOK
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At 200 PM PDT (2100 UTC), the eye of Hurricane Olaf was located near
latitude 10.0 North, longitude 138.7 West. Olaf is moving toward the
west near 12 mph (19 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.
Satellite imagery indicates that maximum sustained winds have
increased to near 130 mph (215 km/h) with higher gusts. Olaf is a
category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale.
Some additional strengthening is forecast tonight. Some fluctuations
in intensity are possible on Tuesday 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 954 mb (28.17 inches).
HAZARDS AFFECTING LAND
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None.
NEXT ADVISORY
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Next complete advisory at 800 PM PDT.
$$
Forecaster Brennan
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