Typhoon Dujuan Threatens Japan: Izu Islands Evacuation Alert 2026

Typhoon Dujuan is once again threatening Japan, with the storm expected to restrengthen into a typhoon by Tuesday morning. After briefly reaching typhoon status on Friday, Dujuan weakened to a tropical storm on Sunday, but forecasts indicate it will regain strength as it skirts the coast of Japan, bringing heavy rain, strong winds, and dangerous waves to the Izu Islands and parts of mainland Japan.

Typhoon Dujuan Path and Intensity

Dujuan is currently moving north-eastwards, skirting the coast of Japan. Although a direct landfall on the mainland is not expected, the storm's outer bands are already affecting coastal areas. Sustained winds could reach 80mph (129km/h), with gusts approaching 100mph. The storm's track takes it directly across the Izu Islands, where evacuation warnings are in place. Residents are urged to take precautions as the storm approaches.

Impact on Japan: Rainfall and Flooding

Some exceptional rainfall totals are expected, with about 200mm (7.9in) possible along the southern coasts of the Chubu and Kanto regions in just 24 hours – roughly equivalent to the average rainfall for the entire month of September. The Tokyo metropolitan area is among the areas facing the heaviest rain, with some models suggesting nearly 90mm could fall within six hours on Monday evening. Further south, the Izu peninsula could receive more than 80mm in just three hours – 38% of the month's usual rainfall in a single evening. Flooding and landslide alerts are widespread, and high waves pose an additional threat to exposed coastal areas and islands.

Preparing for Typhoon Dujuan

As Typhoon Dujuan approaches, it's crucial to stay informed and prepared. Here are key steps to ensure safety:

• Evacuate if advised: Follow local authorities' instructions, especially in the Izu Islands where evacuation warnings are in effect.
• Secure your property: Bring in outdoor furniture, close storm shutters, and reinforce windows if possible.
• Stock emergency supplies: Have enough food, water, and medication for at least 72 hours.
• Stay updated: Monitor weather forecasts and official announcements through reliable sources.
• Avoid coastal areas: High waves and storm surges can be deadly; stay away from beaches and low-lying regions.

Comparing Typhoon Dujuan to Previous Storms

Typhoon Dujuan's predicted intensity and rainfall are significant, but how does it compare to other recent storms? The table below highlights key metrics.

While Dujuan is not as intense as Hagibis or Faxai, its slow movement and heavy rainfall pose a significant risk of flooding and landslides.

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