TROPICAL STORM FLOSSIE ADVISORY NUMBER 15
Issued: 500 AM HST SUN JUL 28 2013
Flossie strengthens slightly as it continues to move toward the Hawaiian islands
|SUMMARY OF 500 AM HST...1500 UTC...INFORMATION|
LOCATION: 19.8N 146.9W
|WATCHES AND WARNINGS|
|DISCUSSION AND 48-HOUR OUTLOOK|
At 500 am HST, 1500 UTC, the center of tropical storm Flossie was located near latitude 19.8 north, longitude 146.9 west. Flossie is moving toward the west near 20 mph, 32 km/h, and this motion is expected to continue through the next 48 hours, with a slight slowing in forward speed.
Maximum sustained winds are near 65 mph, 100 km/h, with higher gusts. Gradual weakening is forecast during the next 48 hours.
Tropical storm force winds extend outward up to 175 miles, 280 km from the center.
Estimated minimum central pressure is 996 mb, 29.41 inches.
|HAZARDS AFFECTING LAND|
Tropical storm conditions are expected to reach the Big Island and Maui county Monday morning, and are possible on Oahu Monday night.
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.
Dangerously large surf will begin to impact east facing shores of the islands as early as tonight with the largest surf expected on Monday into Tuesday. Be aware that large surf can cause coastal road closures, even before the storm arrives. Please consult the latest hurricane local statement for information specific to your area.
|NEXT INTERMEDIATE ADVISORY...800 AM HST.|
NEXT COMPLETE ADVISORY...1100 AM HST.