ZCZC MIATCPEP4 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE OLAF ADVISORY NUMBER 17 NWS NATIONAL HURRICANE CENTER MIAMI FL EP192015 800 PM PDT SUN OCT 18 2015 ...OLAF STRENGTHENS INTO A CATEGORY TWO HURRICANE... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...9.7N 135.4W ABOUT 1485 MI...2390 KM ESE OF HILO HAWAII ABOUT 1915 MI...3080 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H PRESENT MOVEMENT...W OR 275 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 800 PM PDT (0300 UTC), the center of Hurricane Olaf was located near latitude 9.7 North, longitude 135.4 West. Olaf is moving toward the west near 12 mph (19 km/h). This westward motion is expected to continue through Monday, followed by a turn toward the west- northwest Monday night and Tuesday. Maximum sustained winds have increased to near 100 mph (155 km/h) with higher gusts. Additional strengthening is forecast during the next 48 hours, and Olaf is forecast to become a major hurricane by Monday night. 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 200 AM PDT. $$ Forecaster Stewart NNNN