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Public Advisory for TROPICAL STORM FLOSSIE

Raw Text File

TROPICAL STORM FLOSSIE INTERMEDIATE ADVISORY NUMBER 19A

Issued: 800 AM HST MON JUL 29 2013

Flossie continues to slowly weaken as it approaches the main Hawaiian islands

SUMMARY OF 800 AM HST...1800 UTC...INFORMATION

LOCATION: 20.4N 154.0W
ABOUT 90 MI: 145 KM NE OF HILO HAWAII
ABOUT 260 MI: 418 KM ESE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS: 40 MPH: 64 KM/H
PRESENT MOVEMENT: WNW OR 290 DEGREES AT 20 MPH: 32 KM/H
MINIMUM CENTRAL PRESSURE: 1000 MB or 29.53 INCHES

WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT

A TROPICAL STORM WARNING IS IN EFFECT FOR:
*HAWAII COUNTY
*MAUI COUNTY, INCLUDING THE ISLANDS OF MAUI, MOLOKAI, LANAI AND
KAHOOLAWE
*OAHU
*KAUAI AND NIIHAU

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR
PRODUCTS ISSUED BY THE NATIONAL WEATHER FORECAST OFFICE IN
HONOLULU.
DISCUSSION AND 48-HOUR OUTLOOK

At 800 am HST, 1800 UTC, the center of tropical storm Flossie was located near latitude 20.4 north, longitude 154.0 west. Flossie is moving toward the west-northwest near 20 mph, 32 km/h, and this motion is expected to continue for the next 48 hours.

Maximum sustained winds are near 40 mph, 64 km/h, with higher gusts. Some weakening is forecast during the next 48 hours.

Tropical storm force winds extend outward up to 90 miles, 145 km from the center.

Estimated minimum central pressure is 1000 mb, 29.53 inches.

HAZARDS AFFECTING LAND

WIND

Tropical storm conditions are expected to reach the Big Island this morning, Maui county by late morning, Oahu this evening and Kauai county later tonight.

RAINFALL

Heavy rainfall is expected to begin this morning over Hawaii county and this afternoon over Maui county, with heavy rain spreading to Oahu tonight. Flossie is expected to produce total rainfall amounts of 6 to 10 inches over the Big Island and Maui county, with isolated maximum amounts of 15 inches possible, mainly windward. Rainfall amounts of 4 to 8 inches are possible over Oahu and Kauai, with isolated maximum amounts of 12 inches possible, mainly windward. This rainfall could cause life-threatening flash floods and mud slides, especially in the mountains.

SURF

Dangerously high surf is hammering east facing shores of the Big Island. Surf will spread to the rest of the islands today and continue into Tuesday. The big surf may cause coastal road closures, even before the storm arrives. Please see the latest tropical storm Flossie local statement for information specific to your area.

NEXT ADVISORY
NEXT COMPLETE ADVISORY...1100 AM HST.

$$
FORECASTER BURKE