Key Facts
• As of July 10, 6:00 PM, heavy rain and thunderstorms centered on Saitama.
• Thunderclouds are moving south, affecting Tokyo, Chiba, and Kanagawa late into the night.
• Record-breaking short-term heavy rain alerts issued for Saitama and Gunma since 4:30 PM.
• Rivers in Saitama are rapidly rising, increasing flood and overflow risks.
• Urban areas face risks of internal flooding due to overwhelmed drainage systems.
• Lightning strikes may cause power outages; strong winds could lead to flying debris.
• Residents advised to monitor weather updates and evacuate early if necessary.
• Emergency measures include staying in sturdy, elevated buildings during severe flooding.
Summary
On July 10, severe rain and thunderstorms developed over Saitama, with thunderclouds slowly moving southward. The Kanto region, including Tokyo, Chiba, and Kanagawa, faces risks of heavy rain, flooding, and river overflows late into the night. Record-breaking rainfall alerts were issued for Saitama and Gunma, with rivers in Saitama already rising significantly. Urban areas are particularly vulnerable to internal flooding due to overwhelmed drainage systems. Additional risks include power outages from lightning and strong winds causing flying debris. Residents are urged to stay updated on weather and evacuation information, and to seek shelter in sturdy, elevated buildings if necessary.
