Minimize Tropical Storm Flossie

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite acquired this image of Tropical Storm Flossie at 1:10 p.m. local time (23:10 Universal Time) on 28 July 2013.

Roughly two hours before the MODIS image was taken, the storm was centered at 19.9° North, 148.5° West. At the time, Flossie had sustained winds of roughly 60 miles per hour (50 knots or 90 kilometres per hour) and a pressure of 996 millibars. The storm was moving westward across the Pacific Ocean at roughly 20 miles per hour, headed for the Hawaiian Islands.

By 8 a.m. local time on 29 July Flossie's sustained winds were at 40 miles per hour (35 knots, or 65 kilometres). The storm was expected to make landfall on Monday evening, either on the "Big Island" of Hawaii or on Maui. Winds were expecting to be roughly 40 miles per hour, with gusts to 50 mph. Forecasters were more concerned about rainfall, which could reach 6 to 10 inches (15 to 25 centimetres) in a six- to eight-hour period, leading to landslides and floods. Tropical storm warnings or watches were in effect for all eight of the major islands.

Not many tropical storms and hurricanes form in the central Pacific Ocean. Even fewer affect the Hawaiian Islands-just eight since 1979, according to meteorologist Jeff Masters. None have made direct landfall on the islands since Hurricane Iniki in 1992.

View the full resolution image.

Credit: NASA Earth Observatory

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