Private attentive weather information service is active among all kinds of business

The service of private weather information company which provides attentive weather forecast by taking advantage of "weather big data" which Japan Meteorological Agency gathered by a meteorological observation satellite and AMEDAS which is the Automated Meteorological Data Acquisition System is active among companies.

This service is in response to multiple needs of consumers for like train, construction site and leisure. On the other hand, Japan Meteorological Agency specializes in not only weather observation but look for another effective way to use this big data by tying up with private companies.

"Rain is great enemy for construction site because of lowering strength of concrete. I rely on the system which point out exact weather. "

A construction site located in Tokyo Outer Ring Road in Chiba prefecture. A site foreman of construction company keeps his eye on workers as checking the weather on that day. On the day the company make a contract for repairing national road, there is a case that they need at least 200 concrete mixer trucks a day.

This site foreman is using "Kiyomasa" whose service started up for general contractors operated by weather information company "Life Business Weather". This service forecasts narrow scope of precipitation and lightning in one square kilo meter and distributes these information to more than 4 thousand construction site. He said "if I know the weather detail in advance, it's quite useful for process control."

The fundamental data of private weather information service is the weather observation data which JMA had provided to companies at keen price since 1996. This project had started as one of deregulation on lending effective data gathered by authorities. The amount of types of data has enriched in the past few years and the amount of data which private company can use is more than 50 types now. In 2001 the companies which provides attentive weather information based on the weather observation data was 12 but in 2014 which increased 110 companies that is 10 times more than in 2001.