Preparation begins for extreme conditions as Nolo bears down on areas still recovering from previous storms

Heavy rain and powerful winds are expected to bring flash floods and extreme surf to the Hawaiian islands over the weekend as Hurricane Nolo bears down on areas still recovering from previous storms.

Nolo was churning slowly south of Hawaii’s Big Island on Saturday with maximum sustained winds of 105mph (165km/h). The storm’s center was about 145 miles (235km) south of Hawaii’s southern-most point and could strengthen into a potentially life-threatening and catastrophic storm through the weekend.

Forecasters say storm will cause heavy rains and large waves along the coast, near communities still recovering from extreme weather

Hurricane Nolo is expected to bring potentially life-threatening and catastrophic flooding to Hawaii on Friday, affecting communities that are still recovering from devastating storms earlier this summer.

The state activated more than 230 Hawaii national guard members and closed schools ahead of the storm. Nolo is expected to move west on Saturday and not directly hit the islands, but forecasters say it will still cause heavy rainfall, as much as 25in, as well as large and damaging waves along the coast.