Public Advisory for HURRICANE HILDA

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HURRICANE HILDA ADVISORY NUMBER 20

Issued: 1100 AM HST MON AUG 10 2015

Hilda continues to track west-northwest toward Hawaii

SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION

LOCATION: 16.3N 150.2W
ABOUT 400 MI: 640 KM SE OF HILO HAWAII
ABOUT 610 MI: 980 KM ESE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS: 90 MPH: 150 KM/H
PRESENT MOVEMENT: WNW OR 300 DEGREES AT 8 MPH: 13 KM/H
MINIMUM CENTRAL PRESSURE: 976 MB or 28.82 INCHES

WATCHES AND WARNINGS

There are no coastal watches or warnings in effect.

Interests in the main Hawaiian islands should continue to monitor the progress of Hilda. A tropical storm watch may be required for the Big Island tonight.

DISCUSSION AND 48-HOUR OUTLOOK

At 1100 am HST, 2100 UTC, the center of hurricane Hilda was located near latitude 16.3 north, longitude 150.2 west. Hilda is moving toward the west-northwest near 8 mph, 13 km/h, and this general motion is expected with a decrease in forward speed over the next couple of days.

Maximum sustained winds are near 90 mph, 150 km/h, with higher gusts. Steady weakening is expected over the next 48 hours, with Hilda forecast to weaken to a tropical storm on Tuesday.

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 976 mb, 28.82 inches.

HAZARDS AFFECTING LAND

SURF

Swells associated with hurricane Hilda will produce large and potentially life threatening surf along east and southeast facing shores of portions of the main Hawaiian islands over the next couple of days.

NEXT ADVISORY
NEXT COMPLETE ADVISORY...500 PM HST.

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FORECASTER JELSEMA/DONALDSON