Get Prepared for Linear Precipitation Bands! Safe Actions and Effective Use of Disaster Information


Hello, this is R2-TM.

I am deeply saddened by the recent damage caused by heavy rain in the Kyushu region. We need to understand the severity of the weather phenomenon called a “linear precipitation band” and the impact it has on heavy rain and flooding.

In this blog post, I would like to provide a detailed explanation of the linear precipitation band, its mechanisms of formation, characteristics, and lessons learned from past disasters. By gaining this knowledge, we can better prepare for future disaster prevention.

When we witness the damage caused by heavy rain, the threat of climate change and natural disasters becomes even more apparent. However, it is not just about fear; by equipping ourselves with knowledge and preparedness, we can be ready for the future.

Through this article, I hope to convey the seriousness of the linear precipitation band and the actual damage it causes, and raise awareness of disaster prevention among our readers.

Now, let’s delve into the specifics of the linear precipitation band. Please continue reading to learn more.

The Linear Precipitation Band: Understanding the Phenomenon and its Severity

The linear precipitation band is a weather phenomenon characterized by its severity and the extensive damage it can cause.

The linear precipitation band can bring heavy rain, floods, thunderstorms, and gusty winds, posing a potential risk for significant damages. It is crucial to understand its characteristics, impacts, and take appropriate measures to mitigate its effects.


There are several reasons why the linear precipitation band is considered a formidable phenomenon.

  1. Risk of Heavy Rain and Flooding: The linear precipitation band has the characteristic of bringing a large amount of rain in a short period. This can lead to rapid river swelling and flooding.
  2. Danger of Thunderstorms and Lightning: The linear precipitation band often accompanies thunderstorms, increasing the risk of lightning-related damages and thunderbolts. This can pose hazards such as fires and electric shocks.
  3. Occurrence of Squalls and Tornadoes: The passage of the linear precipitation band can result in sudden meteorological changes, including squalls and tornadoes. These intense winds can cause significant damages.


There have been past disaster events caused by the linear precipitation band. Here are two notable examples:

  1. Heavy Rain in July 2018 (Western Japan Torrential Rain): The linear precipitation band that struck western Japan in 2018 resulted in extensive damage due to heavy rain and flooding. The disaster caused widespread landslides, river breaches, and inundation of houses and roads, resulting in numerous casualties. It also disrupted transportation and led to crowded evacuation centers, causing significant societal impact.
  2. Heavy Rain in August 2016 (Northern Kyushu Torrential Rain): The linear precipitation band that hit northern Kyushu in 2016 also caused significant damage. The region experienced landslides, river flooding, and dozens of fatalities. The disaster caused waterlogging of buildings and roads and resulted in disruptions such as water and power outages.

Preparedness and Countermeasures for the Linear Precipitation Band: Safe Actions and Utilizing Disaster Information

Preparedness and countermeasures are crucial when it comes to the linear precipitation band. Taking safe actions and utilizing accurate disaster information can make a significant difference.

Importance of Safe Actions

During the encounter with a linear precipitation band, taking safe actions is essential. Here are the reasons and specific measures for ensuring safety:

  1. Evacuation to Safe Locations:
  • Reason: The passage of a linear precipitation band can bring dangerous weather phenomena such as heavy rain and gusty winds. It is crucial to minimize outdoor activities and move to designated evacuation areas.
  • Measure: Familiarize yourself with local evacuation locations and evacuation routes in advance to be prepared for emergencies.
  1. Information Gathering:
  • Reason: Accurate information is essential for making safe decisions. Gathering information about the occurrence and impact of the linear precipitation band is crucial for situational awareness.
  • Measure: Actively check weather information from the Meteorological Agency and local disaster prevention authorities. Following weather forecasts and instructions from disaster management headquarters is necessary.
  1. Implementation of Disaster Preparedness Measures:
  • Reason: Prior disaster preparedness measures are essential for coping with the linear precipitation band. Implementing measures to minimize damages is crucial.
  • Measure: Prepare flood prevention measures, emergency supplies, and non-perishable food specifically for the linear precipitation band. These measures will help you mitigate potential risks.

Utilizing Disaster Information

Disaster information plays a vital role in preparedness and countermeasures against the linear precipitation band. Here are the reasons and practical examples of utilizing disaster information:

  1. Access to Accurate Information:
  • Reason: The occurrence and prediction of the linear precipitation band rely on accurate information. Ensuring the accuracy and reliability of information is crucial.
  • Practice: Utilize official websites of the Meteorological Agency, local government authorities, and disaster prevention apps to access up-to-date information.
  1. Reception of Emergency Alerts:
  • Reason: Emergency alerts are crucial for notifying about the approach of a linear precipitation band and dangerous situations. Early reception of information enables prompt and appropriate actions.
  • Practice: Enable emergency alert settings on your mobile phone and subscribe to disaster information emails or notifications from local authorities and relevant apps.
  1. Participation in Disaster Preparedness Drills:
  • Reason: Disaster preparedness drills aim to enhance the ability to act promptly and accurately during emergencies. Practicing proper actions is essential.
  • Practice: Participate in local disaster preparedness drills and evacuation exercises to learn evacuation procedures and emergency actions.


When encountering a linear precipitation band, taking safe actions and utilizing accurate disaster information are essential. Evacuation to safe locations, information gathering, and implementing disaster preparedness measures are necessary. Additionally, accessing reliable disaster information, receiving emergency alerts, and participating in disaster preparedness drills are effective countermeasures.

Handy Items for Rainy Days and Evacuation Orders

To help you during heavy rain or evacuation orders, here are some handy items to consider having:

  1. Waterproof Bag: A waterproof bag is highly useful during heavy rain as it protects valuable items, important documents, and mobile phones from getting wet.
  2. Flashlight: In times of evacuation or power outages, having a flashlight is essential. It allows you to navigate safely in the dark. Remember to prepare spare batteries as well.
  3. Emergency Food: Be prepared for long-duration evacuation or power outages by having non-perishable emergency food. Opt for balanced and easy-to-store options such as packaged meals or dried food.
  4. Portable Radio: A battery-powered portable radio is helpful for staying informed about evacuation information and up-to-date weather conditions. The information received can aid in evacuation planning and safety measures.
  5. Masks and Gloves: In crowded evacuation areas, the risk of infectious diseases may increase. Prepare masks and gloves to maintain hygiene and minimize health risks.
  6. Backup Charger: Smartphones and mobile phones are vital communication tools during emergencies. Having a backup charger or portable power bank can alleviate concerns about battery depletion.
  7. Change of Clothes and Blankets: In evacuation centers or temporary shelters, you may spend an extended period. Having a change of clothes and blankets ensures comfort and temperature regulation.

These items are essential for dealing with heavy rain and evacuation situations. By preparing in advance, you can lead a safer and more comfortable life during emergencies.

Please note that the information provided is subject to change, and there may be errors or outdated information. While we strive to deliver accurate information, we recommend verifying the information yourself to ensure its accuracy.

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Thank you for reading, and we hope this article helps you understand the severity of the linear precipitation band and encourages disaster preparedness. Stay safe and be well-prepared for any weather challenges that may come your way.