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Tropical Storm Calvin has passed Hawaii without inflicting significant damage or injuries.

Calvin mainly caused localised flooding - over 5in (13cm) of rain in some areas - and minor wind damage after making contact on Tuesday night.

By Wednesday afternoon the storm had passed.

More than a million people in the US state had been under a state of emergency, but all watches, warnings and advisories have now expired.

Calvin was the first tropical cyclone to affect Hawaii this year, but authorities cautioned that hurricane season has only just begun.

Hawaii Governor Josh Green said the state recommends all residents keep stockpiles of water, food, medicine and other supplies that would last up to 14 days.

"Thankfully, Calvin did not cause significant damage, but it's a reminder for us to be prepared," he told a press conference on Wednesday afternoon.

He spoke as the bulk of Calvin had moved south and west of the islands, with winds dropping below tropical storm strength (40mph).

There is a 50% chance for above-normal tropical cyclone activity during this year's Central Pacific hurricane season, the National Oceanic and Atmospheric Administration has said.

Hawaii is a popular tourist destination in the month of July. The state's department of tourism

Hurricanes and tropical storms do not often travel in Hawaii's path.