642 WTPZ35 KNHC 292043 TCPEP5 BULLETIN Hurricane Miriam Advisory Number 15 NWS National Hurricane Center Miami FL EP152018 200 PM PDT Wed Aug 29 2018 ...MIRIAM BECOMES A HURRICANE JUST BEFORE MOVING INTO THE CENTRAL PACIFIC... SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...14.0N 139.7W ABOUT 1090 MI...1755 KM ESE OF HILO HAWAII MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.30 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 200 PM PDT (2100 UTC), the center of Hurricane Miriam was located near latitude 14.0 North, longitude 139.7 West. Miriam is moving toward the west near 9 mph (15 km/h). A turn toward the west-northwest with a decrease in forward speed is expected tonight, followed by a turn toward the northwest and north through Friday night. Maximum sustained winds have increased to near 75 mph (120 km/h) with higher gusts. Some additional strengthening is possible during the next 24 hours. Miriam is expected to begin weakening on Friday as it encounters strong upper-level winds and cooler waters. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 90 miles (150 km). The estimated minimum central pressure is 992 mb (29.30 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on Miriam. Future information on this system can be found in Public Advisories issued by the Central Pacific Hurricane Center beginning at 5 PM HST, under AWIPS header HFOTCPCP3, WMO header WTPA33 PHFO, and on the web at http://www.prh.noaa.gov/cphc. $$ Forecaster Brown