Public Advisory for HURRICANE HILDA

Raw Text File

HURRICANE HILDA ADVISORY NUMBER 21

Issued: 500 PM HST MON AUG 10 2015

Hilda continues to track northwestward toward Hawaii

SUMMARY OF 500 PM HST...0300 UTC...INFORMATION

LOCATION: 16.7N 150.5W
ABOUT 365 MI: 590 KM SE OF HILO HAWAII
ABOUT 580 MI: 930 KM ESE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS: 90 MPH: 150 KM/H
PRESENT MOVEMENT: NW OR 310 DEGREES AT 6 MPH: 9 KM/H
MINIMUM CENTRAL PRESSURE: 978 MB or 28.88 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 as early as tonight.

DISCUSSION AND 48-HOUR OUTLOOK

At 500 pm HST, 0300 UTC, the center of hurricane Hilda was located near latitude 16.7 north, longitude 150.5 west. Hilda is moving toward the northwest near 6 mph, 9 km/h, and this general motion is expected 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 978 mb, 28.88 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.

RAINFALL

Hilda is expected to produce heavy rain over portions of the state Thursday and Friday. These rains could cause life threatening flash floods and mudslides.

NEXT ADVISORY
NEXT COMPLETE ADVISORY...1100 PM HST.

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FORECASTER JELSEMA/DONALDSON