Key Facts
• On November 9, rain shifted to the Kanto region by evening.
• Heavy rain observed in areas around central Tokyo.
• Active rain clouds are primarily over the ocean, reducing inland impact.
• Southern coastal areas of Shizuoka and Chiba may experience temporary heavy rain.
• Northern Japan faces rain clouds from a separate front, moving eastward.
• Akita region recorded 1–2 mm of rain in 10 minutes due to shear line effects.
• Earthquake of maximum intensity 4 observed off Sanriku coast; tsunami advisory issued for Iwate.
• Residents in Tohoku advised to avoid unstable slopes and evacuate to higher ground before rain.
• Thunderstorms detected along Hokkaido’s western coast, expected to spread overnight.
• Central, southern, and northern Hokkaido may experience sudden heavy rain and lightning.
Summary
On November 9, heavy rain moved into the Kanto region, with central Tokyo experiencing significant rainfall. However, active rain clouds remain concentrated over the ocean, minimizing inland impact. Coastal areas in Shizuoka and southern Chiba should prepare for temporary heavy rain. Meanwhile, northern Japan faces a separate weather front, bringing rain clouds to Akita and other regions. Rainfall of 1–2 mm in 10 minutes was recorded in Akita due to shear line effects. Additionally, an earthquake with a maximum intensity of 4 struck off the Sanriku coast, prompting a tsunami advisory for Iwate. Residents in Tohoku are urged to avoid unstable slopes and evacuate to higher ground before rain intensifies. In Hokkaido, thunderstorms along the western coast are expected to spread overnight, with central, southern, and northern areas at risk of sudden heavy rain and lightning. Stay alert for weather updates and safety advisories.
