Typhoon Dujuan Grounds Flights, Triggers Japan Disaster Warnings
Typhoon Dujuan bore down on Japan’s main island of Honshu on Monday, forcing the cancellation of at least 275 flights, disrupting major rail services, and prompting urgent disaster warnings for millions across the Kanto, Tokai, and Tohoku regions. As the powerful storm churned northeastward at 35 kilometers per hour, positioned approximately 130 kilometers southeast of Katsuura City in Chiba Prefecture, authorities issued Level 5 emergency warnings for landslides in parts of the Izu island chain, signaling an imminent threat to life.
The typhoon’s arrival during Japan’s Silver Week holidays has amplified its disruptive impact, upending travel plans for countless citizens and highlighting the nation’s perennial vulnerability to extreme weather. With maximum sustained winds roaring at 144 kilometers per hour and gusts reaching up to 198 kilometers per hour, Dujuan represents a potent reminder of the increasing intensity of global weather patterns, posing significant risks of landslides, severe flooding, and high waves across densely populated areas.
The immediate fallout for transportation was widespread. Japan Airlines grounded 120 domestic and 15 international services, while All Nippon Airways scrapped 140 domestic flights. The aviation sector, a critical artery for holiday travel, saw its operations severely curtailed, leading to cascading delays and rebookings for tens of thousands of passengers. Ground transportation faced similar paralysis, with railway operators across Tokyo and its surrounding prefectures announcing partial and full-day suspensions on several lines. Commuters and travelers in Chiba and Ibaraki prefectures, alongside parts of western Tokyo, contended with significant disruptions. Even the famed Tokaido Shinkansen bullet train service, a vital link between Tokyo and Osaka, faced advisories for potential delays and cancellations as the typhoon approached.
Beyond the travel chaos, Dujuan’s imminent threat forced the cancellation or postponement of a range of high-profile public gatherings and cultural events. The Tokyo Game Show, a global marquee event in the video game industry that had commenced on Thursday, was compelled to call off its final day program on Monday, shortening the five-day extravaganza. Similarly, a major outdoor music festival and a professional baseball match, both scheduled to take place in Chiba Prefecture, were canceled outright. Public safety concerns prompted the Tokyo metropolitan government to close popular attractions, including the Ueno Zoological Gardens and the Tokyo Sea Life Park.
Even events of national and international significance were not immune to the storm’s influence. A public viewing event for the Asian Games Aichi-Nagoya 2026, set for Monday evening, was canceled. The Asian Games themselves, hosted in central Japan’s Aichi Prefecture, saw their equestrian eventing competition postponed until Tuesday. The storm’s reach extended even to the highest levels of government, delaying Prime Minister Sanae Takaichi’s departure for the United Nations General Assembly in New York by four hours.
The sheer volume of rainfall accompanying Dujuan underscored its destructive potential. Over a 24-hour period ending 4:40 p.m. Monday, Izu Oshima, within the Izu chain, recorded an astonishing 672.5 millimeters of rain. In Sakahata, a district of Kimitsu in Chiba Prefecture, residents experienced 324 millimeters during the same timeframe. These figures represent significant precipitation that can quickly overwhelm infrastructure and natural drainage systems. Forecasters at the Japan Meteorological Agency (JMA) anticipate that cumulative rainfall through Tuesday could surpass the average monthly rainfall for September in some regions, potentially setting new records for precipitation and elevating flood risks considerably.
The JMA issued particularly grave warnings about the potential formation of "linear rain bands." These meteorological phenomena are capable of dumping extraordinary amounts of rain over narrow areas for several hours, significantly elevating the risk of flash floods, landslides, and other rain-induced calamities. Such linear bands have become a growing concern in Japan in recent years, contributing to several major disaster events and demanding heightened vigilance from residents and emergency services. The vast reach of Dujuan’s gale-force winds, extending an astonishing 185 kilometers from its eye, further magnified the potential for widespread damage and disruption.
Tragically, the typhoon has already exacted a human cost, with authorities confirming at least one fatality in Miyazaki Prefecture and one person sustaining minor injuries. The storm’s infrastructural impact was evident in Chiba Prefecture, where over 4,000 households experienced power outages. These localized disruptions, affecting thousands of homes, compounded the sense of unease gripping the region during what is typically a cherished period for travel and leisure, underscoring the broad reach of Dujuan’s destructive power.
The Japan Meteorological Agency had issued urgent advisories throughout the weekend for residents in the Izu Islands, Kanto, Tokai, and Tohoku regions. Warnings specifically called for preparedness against landslides, severe winds, potential flooding in low-lying areas, rapidly rising river levels, and dangerous high waves. The gravity of the situation was emphasized by the Level 5 emergency warning for landslides in parts of the Izu island chain, particularly Oshima, which indicates an imminent threat to life. Other areas within the Kanto region were placed under Level 4 warnings, signifying that a major disaster could unfold at any moment. Officials underscored the critical need for vigilance, especially in urban centers where flooded roads and perilous underground facilities posed significant risks to public safety.
Japan, an archipelago situated in one of the world's most active typhoon belts, is accustomed to powerful tropical cyclones, particularly during the late summer and early autumn months. However, the intensity and widespread impact of Dujuan serve as a potent reminder of the increasing volatility of global weather patterns. This year has seen a global surge in extreme weather events, with unusually intense rainfall, widespread flooding, and powerful tropical cyclones impacting diverse regions from East Asia to North America and Europe.
Takuya Hosomi, director of the JMA's forecasting division, stressed the critical nature of the Level 4 warnings. “In areas corresponding to Level 4, a major disaster could occur at any time,” Hosomi stated, urging those in affected areas to meticulously review local evacuation information and disaster risk levels. Dujuan, with its current trajectory and destructive capacity, is a stark embodiment of this broader climatic trend, prompting continued vigilance and adaptation for a nation accustomed to, yet perennially challenged by, the formidable forces of nature.
The coming hours will prove crucial as Typhoon Dujuan continues its relentless path across Japan. Residents in its projected wake are advised to maintain the highest levels of preparedness, heeding all official advisories. Authorities continue to monitor the storm closely, poised to issue further guidance as the situation evolves, in a concerted effort to mitigate further loss and disruption in the face of this powerful natural adversary.