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TROPICAL STORM FLOSSIE INTERMEDIATE ADVISORY NUMBER 14A

Issued: 200 AM HST SUN JUL 28 2013

Flossie strengthens slightly as it continues to move toward the Hawaiian islands

SUMMARY OF 200 AM HST...1200 UTC...INFORMATION

LOCATION: 19.7N 145.8W
ABOUT 600 MI: 965 KM E OF HILO HAWAII
ABOUT 790 MI: 1270 KM E OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS: 65 MPH: 105 KM/H
PRESENT MOVEMENT: W OR 275 DEGREES AT 20 MPH: 32 KM/H
MINIMUM CENTRAL PRESSURE: 996 MB or 29.41 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

A TROPICAL STORM WATCH IS IN EFFECT FOR
*OAHU

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED WITHIN THE WARNING AREA WITHIN 36 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA WITHIN 48 HOURS.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR
PRODUCTS ISSUED BY THE HONOLULU NWS FORECAST OFFICE.

DISCUSSION AND 48-HOUR OUTLOOK

At 200 am HST, 1200 UTC, the center of tropical storm Flossie was located near latitude 19.7 north, longitude 145.8 west. Flossie is moving toward the west near 20 mph, and this motion is expected to continue through 48 hours, with a slight slowing in forward speed. On the forecast track, the center of Flossie will pass near or close to the Big Island and Maui on Monday, and south of Oahu Monday night.

Satellite imagery indicates that maximum sustained have increased to near 65 mph, 105 km/h, with higher gusts. Gradual weakening is still forecast during the next 48 hours.

Tropical storm force winds extend outward up to 175 miles from the center.

Estimated minimum central pressure is 996 mb, 29.41 inches.

HAZARDS AFFECTING LAND

WIND

Tropical storm conditions are expected to reach the Big Island and Maui county Monday morning, and are possible on Oahu Monday night.

RAINFALL

Heavy rainfall is expected to begin as early as Monday morning over Hawaii county and Monday afternoon over Maui county, with heavy rain spreading to Oahu by Monday night. 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, 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 large surf will begin to impact east facing shores as early as this afternoon with the largest surf expected on Monday and Tuesday. Be aware that large surf can cause coastal road closures, even before the storm arrives. Please consult the latest hurricane local statement for more information.

NEXT ADVISORY
NEXT COMPLETE ADVISORY...500 AM HST.

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FORECASTER BIRCHARD