Examples of damage caused by localized heavy rainfall <Materials being presented>
We will introduce examples of accidents that have occurred in the workplace, such as the incident where five workers were swept away.
In recent years, natural disasters have frequently occurred in Japan, with some region being affected by disasters every year, resulting in significant damage. On August 19, 2009, a flash flood occurred in a drainage channel flowing through Higawa in Naha City, Okinawa Prefecture, sweeping away five workers who were working near the entrance to the underground section of the channel. The related catalog provides detailed explanations of the damage that occurred at the actual work site, including an overview and the weather conditions at the time. Understanding what events have happened in the past may help raise awareness in nearby work sites. Please feel free to download and take a look. 【Damage Case】 <CASE 1: Flash flood in a drainage channel in Naha City, Okinawa Prefecture, sweeping away five workers, four of whom died> ■ On August 19, 2009, at 2 PM, a flash flood occurred in a drainage channel flowing through Higawa in Naha City, Okinawa Prefecture. ■ It is believed that the water depth before the increase was approximately 30 to 50 centimeters. ■ According to the Okinawa Meteorological Observatory, the atmospheric conditions above the site were unstable at the time of the incident, with a thunderstorm warning issued in the morning and a heavy rain and flood warning issued in the afternoon. *For more details, please refer to the PDF document or feel free to contact us.
Inquire About This Product
basic information
【Other Damage Cases】 <CASE 2: Heavy Rain Mainly in the Kanto-Koshin Region - In Zoshigaya, Toshima Ward, Tokyo, a worker was swept away during sewer construction, resulting in 5 deaths> ■ On August 5, 2008, during sewer construction in Zoshigaya, Toshima Ward, Tokyo, 6 workers were swept away while working underground. ■ A front was stagnating over the Kanto-Koshin region, with moist air flowing in from the south, causing the atmospheric conditions to become very unstable. ■ A thunderstorm warning had been in effect for the 23 wards of Tokyo since the previous day, and on the day of the incident, a heavy rain and flood advisory was issued at 11:35 AM, followed by a heavy rain and flood warning at 12:33 PM. *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please refer to the PDF document or feel free to contact us.
catalog(5)
Download All Catalogs
![Civil Engineering and Architecture Natural Disaster Prevention System [ZEROSAI] Centralized management of weather information at construction sites!](https://image.www.ipros.com/public/catalog/image/01/963/418392/IPROS15159351488591060549.jpeg?w=120&h=170)

News about this product(1)
Company information
Sysmet Corporation, as a comprehensive weather consulting firm, provides accurate information and the latest information systems to solve problems for various companies, utilizing experienced engineers and the latest technology. Weather and oceanographic information is essential for protecting human life from danger and preventing material and human losses. By obtaining highly accurate weather and oceanographic information, businesses can quickly implement risk avoidance and disaster preparedness measures. We are committed to research and development and quality improvement to meet the needs of all companies, including weather and oceanographic forecasting, system development, and weather and oceanographic observation and analysis.