TROPICAL STORM FLOSSIE ADVISORY NUMBER 18
Issued: 1100 PM HST SUN JUL 28 2013
Flossie continues to bear down on the main Hawaiian islands
|SUMMARY OF 1100 PM HST...0900 UTC...INFORMATION|
LOCATION: 19.2N 152.1W
|WATCHES AND WARNINGS|
|DISCUSSION AND 48-HOUR OUTLOOK|
At 1100 pm HST, 0900 UTC, the center of tropical storm Flossie was located near latitude 19.2 north, longitude 152.1 west. Flossie is moving toward the west near 17 mph, 28 km/h. This motion is expected to continue for the next 12 hours with a slight turn to the west northwest after that.
Maximum sustained winds are near 50 mph, 85 km/h, with higher gusts. Some weakening is forecast during the next 48 hours.
Tropical storm force winds extend outward up to 140 miles, 220 km from the center.
Estimated minimum central pressure is 999 mb, 29.50 inches.
|HAZARDS AFFECTING LAND|
Tropical storm conditions are expected to reach the Big Island late tonight, Maui county Monday morning and Oahu Monday night. Tropical storm conditions are possible on Kauai and Niihau Monday night, lasting into Tuesday.
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 high surf is starting to hammer east facing shores of the Big Island. Surf will build overnight, with the largest surf expected Monday into Tuesday. The big surf may cause coastal road closures, even before the storm arrives. Please see the latest hurricane local statement for information specific to your area.
|NEXT INTERMEDIATE ADVISORY...200 AM HST.|
NEXT COMPLETE ADVISORY...500 AM HST.