Core Summary
The Washington Post reported that Category 2 Hurricane Nolo was nearly stationary just south of Hawaii’s Big Island on Saturday evening, generating tropical storm force winds, large swells, and torrential rain. The National Weather Service has warned that catastrophic flooding is possible and has issued flash flood warnings across multiple parts of the island.
Event Details
According to the report, Hurricane Nolo was carrying maximum sustained winds of approximately 155 kilometres per hour, with its centre positioned roughly 150 kilometres south of the Big Island and moving almost imperceptibly slowly. The unusually slow motion means that the wind field and rain bands will linger over the same area for an extended period, and combined with high astronomical tides the system is expected to produce severe flooding and coastal erosion along windward and southern shores.
The National Weather Service has issued flash flood warnings for eastern and southern parts of the Big Island and high surf advisories for several resort beaches. State emergency management officials have urged residents in low lying areas to be prepared to evacuate, and the governor’s office has declared a state of emergency.
Panoramic Perspective
Viewed from a wider perspective, the stalling behaviour of Hurricane Nolo is a textbook example of how tropical cyclone behaviour is changing under a warming climate. Observational data from the North Atlantic and the East Central Pacific over recent years both show a rising share of slow moving storms, and the cumulative rainfall associated with such systems routinely exceeds that of faster moving counterparts. For the relatively isolated Hawaiian archipelago, the pressure absorption capacity for prolonged extreme weather is limited, and a single Big Island scale flood event can deliver structural damage to tourism, agriculture, and critical infrastructure. The episode is another reminder that, in a context of rising ocean temperatures and an unusually persistent subtropical ridge, regional emergency planning benchmarks need to be raised accordingly.
Editor: GoodInfo Global News Team