3D雨雲ウォッチ〜次世代レーダでゲリラ豪雨・台風・天気を確認 6.4.1

By using this app, worries about sudden heavy rain or thunderstorms will be instantly relieved! It is the official app for the Sumida River Fireworks Festival. It displays clouds observed by the world's most advanced "phased array weather radar" in 3D. Additionally, by implementing the 3D display of conventional radar, people in areas without phased array weather radar can also use the rain cloud watch.

• Featured in various media outlets such as TV broadcasts and GIGAZINE
• Highlighted on TV Asahi's "Super J Channel," NHK's "Weekly Maruwakari News," Asahi Shimbun's Evening Edition, and Me-Tele's "Do Deska!"
• The hit rate of heavy rain push notifications is over 80%
• Developed through joint research with National Institute of Information and Communications Technology (NICT) and the Japan Science and Technology Agency (JST)

"3D Rain Cloud Watch" is a free app that accurately anticipates the onset of "sudden heavy rain," previously difficult to forecast. It can alert you to the danger in real-time. It is an innovative app that allows you to avoid sudden heavy rain in various scenarios such as music festivals, outdoor events, fireworks displays, festivals, leisure activities, and business operations.

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With user feedback, aiming to set the standard for future weather forecasts:

• Added a feature to turn off the lightning icon, making it easier to check ground echoes! (2020/9/17)
• Push notifications can now be received in English! (2020/9/17)
• In some parts of Kanto region, forecasts can be checked up to 10 minutes ahead! (2020/7/29)
• It is now possible to save radar screen images on your device! (2020/6/30)

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Here's what makes this app outstanding:

1. "Free of charge and cutting-edge globally"
2. "3D representation of rain clouds and sudden heavy rain, a realistic sense of urgency"
3. "World's first prediction of sudden heavy rain 10 minutes in advance"
4. "Instant notification of the precursor to sudden heavy rain"

Utilizing the world's leading "phased array weather radar," observing rain clouds that bring sudden heavy rain previously took over 5 minutes can now be done in just 30 seconds. This is a first in Japan. Not only for sudden heavy rain but also for heavy rain brought by typhoons, this technology proves useful for future disaster prevention.

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Notes when using the app:

1. Due to its cutting-edge technology, it is recommended to use Android version 5.0 or higher.
2. The data usage range of phased array weather radar is limited to some areas in Kanto and Kansai. Other regions use data from conventional radars.