Hurricane Olivia, currently a Category 1 storm on the Saffir-Simpson scale, is expected to make landfall in Hawaii overnight (local time) on September 10-11. As of 08:00 on Monday, Olivia was located 765 km (475 mi) east-northeast of Hilo, moving west-southwest at 12.8 km/h (8 mph) with maximum sustained winds of 136 km/h (85 mph). Olivia is forecast to reach the Hawaiian archipelago as a strong tropical storm.
Authorities in Hawaii have issued storm warnings for Maui and Hawaii counties, and a tropical storm watch for Oahu. Olivia is forecast to bring rains of up to 38 cm (15 in), with localized highs of up to 50 cm (20 in). Localized flooding and landslides and associated transportation disruptions (including flight delays and cancelations) are possible in Hawaii as the storm passes over the archipelago.
Individuals present in the affected areas are advised to monitor local weather reports, anticipate strong winds and heavy rain (and associated disruptions), and adhere to all instructions issued by local authorities (including evacuation orders). Remember that driving or walking through running water can be dangerous - 15 cm (6 in) of running water is enough to knock over an adult - and that floodwater may contain wastewater or chemical products; all items having come into contact with the water should be disinfected and all foodstuffs discarded.
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