Public Advisory for TROPICAL STORM FLOSSIE

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TROPICAL STORM FLOSSIE ADVISORY NUMBER 20

Issued: 1100 AM HST MON JUL 29 2013

Flossie weakens as it approaches Maui county and the big island

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

LOCATION: 20.6N 154.9W
ABOUT 65 MI: 100 KM NNE OF HILO HAWAII
ABOUT 200 MI: 320 KM ESE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS: 40 MPH: 65 KM/H
PRESENT MOVEMENT: WNW OR 285 DEGREES AT 18 MPH: 30 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 1100 am HST, 2100 UTC, the center of tropical storm Flossie was located near latitude 20.6 north, longitude 154.9 west. Flossie is moving toward the west-northwest near 18 mph, 30 km/h, and this motion is expected to continue for the next 24 to 48 hours.

Maximum sustained winds are near 40 mph, 65 km/h, with higher gusts. Some weakening is forecast during the next 24 hours.

Tropical storm force winds extend outward up to 70 miles, 110 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 portions of Maui county and the Big Island early this afternoon, Oahu this evening and Kauai county overnight.

RAINFALL

Heavy rainfall is expected to begin shortly over Hawaii county and later this afternoon over Maui county, with heavy rain spreading to Oahu tonight. Flossie is expected to produce total rainfall amounts of 2 to 4 inches over the Big Island with isolated amounts up to 6 inches. Over the rest of the state total rainfall amounts will be 1 to 2 inches with isolated amounts up to 6 inches. This rainfall could cause life-threatening flash floods and mud slides, especially in the mountains.

SURF

Dangerously high surf is affecting east facing shores of Maui and the Big Island. Large surf will gradually spread to the rest of the islands later today and continue into Tuesday. The large 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 INTERMEDIATE ADVISORY...200 PM HST.
NEXT COMPLETE ADVISORY...500 PM HST.

$$
FORECASTER BURKE