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Tropical Cyclone “Nolo” Threatens Hawaii with Heavy Rain, Strong Winds and Flooding

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Impending Threat of Tropical Cyclone Nolo

Tropical Depression Fifteen-E, which re-formed in the central Pacific, is expected to intensify into a tropical storm later today and reach hurricane strength within the next two days, at which point it will be named “Nolo.” The system is moving west-northwest at about 12 mph and is projected to slow, then turn north or north-northeast later in the week. Forecast models show the cyclone passing just south of the Big Island on Friday, with the possibility of a major hurricane impact.

Recent Storm History in Hawaii

Nolo would be the fourth tropical system to affect the state during the 2026 season. Earlier in the year, Hurricane Lala grazed the southern tip of the Big Island, delivering torrential rain and widespread power outages. Tropical Storm Moke later produced additional rain on already saturated terrain, while Hurricane Lowell reached Category 5 intensity at its peak. The cumulative effect of these events has left many areas, especially steep slopes on the Big Island, vulnerable to further flooding.

Forecasted Impacts and Alerts

The National Hurricane Center warned that Nolo could generate life-threatening rainfall, with accumulations measured in feet possible at higher elevations. Flood watches have been issued for Hawaii Island and Maui County from midday Wednesday through early evening Saturday. Heavy rain is expected to begin affecting eastern portions of the state Wednesday and continue into the weekend, raising the risk of catastrophic flooding in already damaged zones. In addition, the cyclone is forecast to produce strong surf, rip currents and hazardous wind conditions across the islands, regardless of its exact track.

Official Responses

State meteorologists and the National Weather Service in Honolulu have activated flood watches and indicated that a hurricane or tropical-storm watch is likely to be issued Wednesday for parts of the islands. Local weather teams, including chief meteorologist Jennifer Robbins and anchors Guy Hagi, Dan Cooke, Ben Gutierrez, and Billy V., are urging residents to stay informed through official alerts and to prepare for possible power outages and dangerous surf.

What’s Next

If Nolo follows the projected path, authorities will monitor the system closely and may issue additional warnings as it approaches. Residents in vulnerable coastal and mountainous areas are advised to review evacuation routes, secure property, and keep emergency supplies on hand while awaiting further guidance from emergency management officials.