Multiple outlets including Hawaii News Now and Big Island Video News are reporting that a developing tropical system, expected to be named Nolo, is prompting weather authorities to issue serious warnings for Maui County and Hawaii Island. A Flood Watch is in effect from Wednesday through Saturday, with forecasters warning of heavy, prolonged rainfall and potential flash flooding. Property owners are urged to prepare now given the short window before conditions deteriorate.
- A Flood Watch is in effect for Maui County and Hawaii Island starting Wednesday afternoon, September 23, through 6 PM Saturday, September 27.
- Windward and southeast Big Island and windward Maui are considered most at risk for heavy rainfall and flash flooding.
- The storm is expected to move slowly, allowing a large plume of tropical moisture to stall over the islands for an extended period.
- The heaviest rain is forecast for Thursday afternoon through Friday, with the watch potentially extended into Sunday (Bigislandvideonews).
- Trade wind gusts of 50–60 mph are possible across eastern parts of the state and through mountain gaps by Friday due to pressure dynamics (Hawaii News Now).
- Hawaii County Civil Defense is urging residents to prepare properties now, especially those in flood-prone areas.
- Hawaiian Electric is monitoring Nolo’s development while also supporting Kauai power restoration efforts following Hurricane Lowell (Bigislandvideonews).
- Recommended preparations include clearing rain gutters and securing loose outdoor items.
Sources
- Hawaii News Now: First Alert Forecast: Hawaii Island and Maui County need to prepare now for heavy rains from developing storm Nolo
- Bigislandvideonews: Flood Watch Issued For Hawaiʻi In Anticipation Potential Storm, Nolo
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