Typhoon Dujuan puts Japan’s Kanto region on alert
The storm will pass the Kanto region on Monday, while the highest warning level applies in parts of Chiba.
Typhoon Dujuan is moving northwards towards Japan’s Kanto region on Monday, where Tokyo is also located. Japan is warning of heavy rain, strong winds, flooding and landslides; the highest local warning level has been issued in parts of Chiba.
According to Japan’s weather service Weathernews, typhoon number 25, Dujuan, was located south-west of the island of Hachijojima on Monday morning. Around 06.00 local time, the storm was moving northwards at approximately 20 kilometres per hour. Central pressure was 965 hectopascals, with wind speeds of 35 metres per second and gusts of up to 50 metres per second.
The expectation was that Dujuan would pass the Izu Islands on Monday afternoon and come closer to the Kanto region later in the day or during the evening. The precise timing and eventual path could still change. Rain could also cause problems outside the storm’s immediate centre, as moist air was being carried over eastern Japan.
The warnings are focused mainly on southern Kanto and the Izu Islands. Landslides, rapidly rising rivers, flooding in low-lying areas and high waves are considered possible there. The Japanese authorities are urging residents to avoid non-essential travel and continue monitoring current warnings.
In Sakura, in Chiba Prefecture, Japan’s level 5 warning for emergency situations was issued at 02.00 for areas vulnerable to landslides. Weathernews reported 50.5 millimetres of rain there in one hour during the night. That level means residents must protect their lives immediately; it is not the same as a general evacuation of the entire city.
The storm coincides with Silver Week, a Japanese holiday period. Japan’s meteorological service had earlier warned of possible disruptions to public transport, road traffic and events. According to the Japanese news organisation Nippon.com, Dujuan was expected to move eastwards away from Tohoku from Monday evening and become an extratropical storm on Tuesday afternoon.
The available reports describe a current weather situation and forecast, not a separate analysis of the role of climate change. We therefore do not directly link the storm here to a long-term trend. The immediate risks are nevertheless concrete: rainfall, wind, high waves and localised danger from flooding and landslides.
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The meteorological values and warnings can be found directly in current Japanese weather reports. The text distinguishes between observations, forecasts and unsupported climate interpretation.
- confirmed Typhoon Dujuan was south-west of Hachijojima on Monday morning and was moving northwards. — Weathernews published the position and direction of movement at 06.00 Japanese time. source
- confirmed The storm had a pressure of 965 hectopascals, wind speeds of 35 metres per second and gusts of up to 50 metres per second. — The values appear in Weathernews’s storm analysis. source
- confirmed Level 5 for emergency situations applied in parts of Sakura, and 50.5 millimetres of rain was measured in one hour. — Weathernews mentions both the local alert and the rainfall measurement. source
- confirmed Dujuan was expected to move away from Japan from Monday evening and become extratropical on Tuesday afternoon. — This forecast was reported by Nippon.com on the basis of Jiji Press. source
Editor's note
The measured storm values, the warnings in Chiba and the expected path are certain. The precise route, effects on transport and extent of any damage could still change at the time of publication. A link with climate change was not investigated in the sources used.Sources
- Typhoon No. 25 (Dujuan) approaches Kanto — Weathernews
- Emergency safety information issued in Sakura — Weathernews
- Typhoon Dujuan to Near Japan’s Kanto Region on Mon. — Nippon.com / Jiji Press
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