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TROPICAL STORM FLOSSIE INTERMEDIATE ADVISORY NUMBER 20A

Issued: 200 PM HST MON JUL 29 2013

Flossie weakening near Maui

SUMMARY OF 200 PM HST...0000 UTC...INFORMATION

LOCATION: 21.0N 155.5W
ABOUT 80 MI: 130 KM NNW OF HILO HAWAII
ABOUT 145 MI: 230 KM E OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS: 40 MPH: 65 KM/H
PRESENT MOVEMENT: WNW OR 300 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 SERVICE FORECAST IN
HONOLULU.

DISCUSSION AND 48-HOUR OUTLOOK

At 200 pm HST, 0000 UTC, the center of tropical storm Flossie was located near latitude 21.0 north, longitude 155.5 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 60 miles, 96 km from the center.

Estimated minimum central pressure is 1000 mb, 29.53 inches.

HAZARDS AFFECTING LAND

WIND

Tropical storm conditions can be expected over portions of Maui county and the Big Island through tonight. Tropical storm conditions are expected to reach portions of Oahu this evening and Kauai county overnight.

RAINFALL

Heavy rainfall is presently occurring over portions of the Big Island. Locally heavy rainfall is expected later this afternoon over Maui county, with heavy rain spreading to Oahu overnight. 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 COMPLETE ADVISORY...500 PM HST.

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FORECASTER BURKE