What We Know About Typhoon Dujuan's Approach to Japan

Police in Tokyo and surrounding areas urged nearly two million people to leave their homes as Typhoon Dujuan passed along Japan's eastern coast, according to BBC News. The broadcaster's timelapse of satellite footage shows the storm crossing the Pacific Ocean toward the coastline, part of coverage BBC describes as documenting an "imminent threat to life."

What is Typhoon Dujuan, and where is it now?

Satellite imagery compiled into a timelapse by BBC News shows Typhoon Dujuan moving across the Pacific Ocean and passing Japan's eastern coast. The footage, published by BBC roughly seven hours before this report, is described by the broadcaster as evidence of "major disruption and heavy rainfall" accompanying the storm's track. No wind-speed classification, central pressure reading, or projected landfall time was included in the source material reviewed for this report.

Who is being told to evacuate, and why?

Police are urging nearly two million people considered at risk in Tokyo and the surrounding region to leave their homes, per BBC's reporting. BBC frames the underlying hazard as an "imminent threat to life," language it attributes to its broader coverage of the storm rather than to a named Japanese government agency in the video description reviewed here.

What does a police evacuation call actually mean for residents?

The mechanism at work is a police-issued evacuation appeal directed at a defined at-risk population — in this case, residents of Tokyo and adjacent areas along the storm's path. BBC's description does not specify whether the order carries legal force or functions as an advisory recommendation, a distinction that matters for compliance and enforcement but was not detailed in the source material.

What numbers are confirmed so far?

• Nearly two million — the number of residents in Tokyo and surrounding areas that police are urging to evacuate, per BBC.
• 48 seconds — the length of the BBC timelapse video documenting the typhoon's approach, published roughly seven hours before this report.

No rainfall totals, wind-speed figures, or casualty counts appear in the source material, and none are stated here.

Timeline of what's been reported

• Satellite tracking captured Typhoon Dujuan crossing the Pacific Ocean toward Japan.
• The storm reached Japan's eastern coast, bringing what BBC describes as major disruption and heavy rainfall.
• Police issued evacuation appeals covering nearly two million people in Tokyo and surrounding areas.
• BBC published the timelapse video roughly seven hours before this report.

What to watch

• Whether Japanese authorities upgrade evacuation guidance from advisory to mandatory status in additional prefectures.
• Confirmed rainfall totals and wind-speed data as they are released by official sources.
• Transportation disruptions in the Tokyo metropolitan area tied to the storm's passage.
• Updated casualty or damage reports as the typhoon moves past the coastline.

The full BBC timelapse and video report is available here.